Andy H. Dang, MD
Valencia, CA 91355
Facey Medical Group - Valencia Specialty
23803 McBean Parkway, Suite 202, Valencia, CA 91355
Are you covered?
Check to see if your insurance is covered by this provider.
- Health Net - Medicare Advantage
- Blue Shield of CA HMO – Trio
- US Family Health Plan - TriCare
- Humana Medicare Advantage
- HealthSmart (Interplan) PPO
- Coventry/First Health PPO
- Vivity by Anthem Blue Cross
- Aetna HMO
- Anthem Blue Cross Medicare Advantage
- Anthem Blue Cross PPO
- United Healthcare, Medicare Advantage
- Blue Shield of CA Medicare Advantage
- SCAN Medicare Advantage
- Health Net PPO
- Multiplan PPO
- TriWest - Tricare
- Health Net Cal MediConnect HMO
- Anthem Blue Cross HMO
- Aetna PPO
- Blue Shield of CA HMO
- Cigna HMO
- Cigna PPO
- No results found
Please contact your insurance provider to verify coverage.
You're not covered
Unfortunately, this provider doesn’t accept your insurance or plan.Don’t worry, we can help you find other providers who do.
View More Providers
About Andy H. Dang
We are a premier healthcare team dedicated to providing innovative medical services in a caring and professional atmosphere. Each of us is committed to service, innovation, and quality care, while serving the needs of the community.
- American Board of Internal Medicine, Internal Medicine
- American Board of Internal Medicine, Endocrinology Diabetes and Metabolism

Community Reviews
At Providence, we're dedicated to providing you quality, personalized health care. We are constantly striving to optimize your experience.
As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.
Dr Dang is one of the best doctors I have ever had. He will always work to try to improve my health and wellbeing.
Providence Patient
This is a great doctor I like him very much.
Providence Patient
Dr. Dang is always very professional and very polite and his nurses are also very professional and polite.
Providence Patient
Dr Dang is my go-to doctor for anything concerning my thyroid. At my suggestion, a friend is now seeing him too.
Providence Patient
Dr. Dang is so easy to talk to and very pleasant. He answers my questions and explains it thoroughly. He is a great doctor and he is very caring.
Providence Patient
Always have had an excellent experience with all the Doctors within the Facy medical team.
Providence Patient
Dr Dang is an excellent endocrinologist!
Providence Patient
Very satisfied
Providence Patient
He has been an excellent doctor
Providence Patient
Very professional care from Dr. Dang as well as his staff along with incredible sensitivity towards my needs.
Providence Patient
Love Dr. Dang. Kindest doctor I have.
Providence Patient
Dr Dang is held in highest regard by myself, and as I understand, by other patients of his.
Providence Patient
Dr Dang excellent with caring and knowledge of my medical issues.
Providence Patient
Dr Dang has been my endocrinologist for over 20 years. He's the best endocrinologist I've ever been to. So you make sure to keep him around. There are not many doctors like him left. We need to keep the good ones. He genuinely cares about his patients.
Providence Patient
Skilled doctor. Nice facility. Excellent app support. All feels top of the line.
Providence Patient
Dr. Dang and his staff are wonderful.
Providence Patient
Dr Andy Dang is an amazing Dr . I wouldn't go to anyone else!
Providence Patient
Dr Dang is the best of the best. I am so glad and blessed to have him in my life.
Providence Patient
Dr Dang is a caring excellent dr.
Providence Patient
So far my experiences have been good. My situation has improved significantly.
Providence Patient
Dr. Dang is always professional and answers all my questions.
Providence Patient
Dr Dang is a great endocrinologist and very informative and professional
Providence Patient
I'm very pleased
Providence Patient
Every aspect of this visit was great as usual.
Providence Patient
Very caring doctor
Providence Patient
I have been seeing Dr. Dang for many years. He understands my condition and explains my test results in simple terms for me to understand. He is patient and gives me all the time I need for questions. I feel like he really cares.
Providence Patient
Dr. Dang is an example of how all your providers should be. My wife and I are both his patients and have recommended him to anyone we know needs an endocrinologist. If we need to change medical insurance he is the first of our providers we check to be certain he is an approved physician for that carrier.
Providence Patient
Dr. Dang is kind, reasonable, and patient focused. He has a wonderful team that are highly responsive to inquiries and efficient and friendly.
Providence Patient
Dr. Dang was respectful and listened to my concerns and answered all my questions.
Providence Patient
I don't have any problems every time I see any providers in any Facey facilities.
Providence Patient
Dr Dang is the best! He needs more time for vacations though.
Providence Patient
Dr Dang has been my endocrinologist for years. He's intelligent and informative. We work together as a team to help solve my health problems. He listens to me which is very important to me. Thank you, Dr Dang
Providence Patient
Dr.Dang and his staff were excellent!They listened and were caring.
Providence Patient
Dr. Dang is thorough & reviews my personal history prior to my appointment.
Providence Patient
I like Dr. Dang and respect his instructions. He is very thorough about my health care and explains test results and info to me. He's very knowledgeable
Providence Patient
Dr. Dang made me feel very good at this visit.
Providence Patient
Everything was positive. Dr. Dang is very professional
Providence Patient
Always professional and friendly. Knows my history.
Providence Patient
Dr. Dang wis always respectful and willing to answer my questions.
Providence Patient
Dr. Dang is excellent.
Providence Patient
Everything goes well with every encounter
Providence Patient
It call a good experience!
Providence Patient
Dr. Dang always listens and he laways takes time to answer I ask him. He also provides good recommendations to make me healthy as possible.
Providence Patient
This was my first visit with Dr. Dang or anyone with the Facey Medical Group. I was received by Dr. Dang and all staff with respect, courtesy and efficiency. It made my experience relaxed and gave me confidence that I came to the right office. My thanks to everyone.
Providence Patient
Everything was great except that I had to wait 2 months to see a dr
Providence Patient
Excellent experience with Dr. Dang. Very pleased with him!
Providence Patient
I was very pleased with this provider. I walked out feeling well informed and and at ease with my visit
Providence Patient
Great
Providence Patient
Excellent
Providence Patient
Appointment was on time, in and out in a timely manner
Providence Patient
All good, thank you.
Providence Patient
Dr Dang & nurse very thorough with me
Providence Patient
Dr. Dang Informed me of a mistake the lab made. He explained how we'd proceed to correct it. He explained thoroughly and professionally while also answering my questions. He's remarkable!
Providence Patient
Dr Dang and his office are always very pleasant and is very courteous without any problem. This office personally makes sure you are a special person.
Providence Patient
I'm am very satisfied with the care I get at Facey medical
Providence Patient
Dr. Dang is awesome. He takes the time to discuss my medical issue and my concerns.
Providence Patient
Always prompt, very kind ,listened to our Questions
Providence Patient
Dr. Dang and office staff are kind and polite.
Providence Patient
Great Doctor.
Providence Patient
Good
Providence Patient
One of the best doc's ever.
Providence Patient
Dr Dang has been my endocrinologist for many years. He is very knowledgeable about my Type I diabetes and other pre existing conditions which Impact my health. I have appreciated his feedback and support and collaboration on best methods to treat my diagnosis. It is important for me to know my provider listens and also understands my other health concerns/diagnoses. When I have had other health complications he has followed up and this was greatly appreciated.
Providence Patient
Very professional and answers all questions.
Providence Patient
Dr. Dang is a great doctor that I fully trust with my medical needs.
Providence Patient
Dr. Dang has been my doctor for more than a decade. He is an excellent provider. The MA staff was nice too, scheduled my appointment to my preference.
Providence Patient
Caring
Providence Patient
Great health care experience!
Providence Patient
Dr. Dang listened to my concerns and we discussed options to my medication, with my promise to advise him if I had any adverse reactions that would require a change in dosage. I appreciated feeling like he was actively listening to me and sincerely concerned.
Providence Patient
My experience was excellent
Providence Patient
Dr. Dang was great
Providence Patient
The gals at checkin are always friendly, smiling and accommodating. Thank you always for the nurses in the back ok'ing for the doctors.I am very pleased with all my doctors.
Providence Patient
Dr Dang was friendly and answered any questions I had.
Providence Patient
Dr. Dang is an excellent doctor who spends time and listens to one's concerns.
Providence Patient
Everything was perfect.
Providence Patient
Dr. Dang is always wonderful to me. He is professional and honest and makes me feel, even if I am not doing something I should be which is let's be honest lose more weight he is extremely encouraging and very happy with my 10 lb weight loss. Makes me want to try harder. I really am very happy with Dr. Dang!
Providence Patient
Dr Andy Dang took control of my diabetes by making the right dosage of medication and providing tools to control it. His expertise is very valuable.
Providence Patient
My experience with this provider was great. My only issue with Facey Medical in general is long wait times to see providers.
Providence Patient
Dr. Dang is probably one of the better doctors when you have diabetes. I have been seeing Dr. Dang for a very very long time.
Providence Patient
I have ha no issues with this Doctor and his Physician's Assistant.
Providence Patient
Scheduling so infrequently with Dr. Dang, is like attending a reunion. We discussed a lab result that showed movement, and adjusted a prescription. Overall is was a good experience from the the entire staff.
Providence Patient
Dr. Dang is knowledgeable and helpful Fist rate
Providence Patient
I like this doctor he's always pleasant to speak to and very knowledgeable.
Providence Patient
Always have a good experience with Dr Dang.
Providence Patient
Dr Dang noticed a difference during the visit and quickly referred me for an ultrasoind and set up an appointment for a further diagnosis.
Providence Patient
Dr Dang is always professional and listen to any concerns I have. Keep up the great job
Providence Patient
He is very kind and caring to his patients.
Providence Patient
I see Dr. Dang every 6 months or so, and he always treats me respectfully and makes me feel at ease. A coworker recommended me to see Dr. Dang a few years ago, and I am very happy with him.
Providence Patient
It is always a positive appointment with Dr. Dang. He has been treating me for matters with my Thyroid for some years now. He is the greatest, very through.
Providence Patient
My doctor is great these surgery's need to be shorter
Providence Patient
My visit with Dr. Dang was great and helpful as usual.
Providence Patient
Dr. Deng is very patient to listen.
Providence Patient
I highly respect Dr. DANG. I have been with him for 10 years. He is a very good Dr.
Providence Patient
I have been in Dr. Dang's care for years. He is a kind, competent doctor. I highly recommend him.
Providence Patient
Dr Dang has taken excellent care of my husbsnd for many yrs and me for the last two yrs
Providence Patient
Dr Dang is personable, well informed, knowledgeable and listens to my concerns.
Providence Patient
I love Dr Dang! He provided explanations and illustrations in a way that I could understand. He was patient and respectful of my questions and needs. I appreciate Dr Dang.
Providence Patient
Dr. Dang was thorough and explained things in an easy to understand way.
Providence Patient
I always receive excellent care
Providence Patient
No issues with facey.
Providence Patient
I am very pleased with the services Facey has provided. I have never had a complaint about anything related to my medical treatment. I believe the care the physicians involved In my Healthcare have given me has been excellent since the 1980s.
Providence Patient
Very good
Providence Patient
Dr Dang was super nice and and explained everything to me . Dr Dang and his staff Made me feel very comfortable . It made going to thiis appointment easier.
Providence Patient
My primary physician recommended follow up with an endocrinologist for an issue I have. This was my first visit with Dr. Dang. I was very pleased with the appointment. Dr. Dang had my full medical history and was able to give me pertinent information and answer any questions. I felt he was quite thorough in his examination, information and suggested next step. I have every confidence in his care.
Providence Patient
Everything went well.
Providence Patient
Dr Dang is an excellent doctor. He listens and is very intelligent. I respect him immensely. He is helping me so much.
Providence Patient
All my Drs are kind friendly and very concerned about my health
Providence Patient
Dr Dang is an excellent provider to me. Please don't lose him. Thank you.
Providence Patient
Dr Dang is an EXCELLENT doctor. I appreciate his care, knowledge, support and kindness. My favorite doctor ever!!!!
Providence Patient
Been going to Doctor Dang for over a decade
Providence Patient
Dr. Dang rocks.
Providence Patient
Dr. Dang took time to explain things to me and he listened to my concerns. I recommend him to my sister and she already has an appointment with him. Thank you Dr. Dang and staff for a very helpful visit.
Providence Patient
Dr Dang is always concerned about my health. He always tries to guide me in the right direction,
Providence Patient
Dr dang is great
Providence Patient
Dr. Dang is very professional and kind. He answers all questions I had, and when I left I felt like I had all the information I wanted.
Providence Patient
The provider, and I hope you mean the doctor and not some automated e mail does not contact me with test results due to my ability to access my chart. Dr. Dang is great.
Providence Patient
I like Dr Dang very much and I respect his knowledge and advice. But, I hadn't been very compliant in following his directions in taking my calcium and iron caps, and this was evident in my test results. Dr. Dang went over the possible serious effects this would have on my future healbecause he was concerned and wanted me to understand. I appreciate that and I 'got it'. Since then, I've been taking my Supplements as he directed and I definitely feel better. I literally feel positive results and improved overall health. Thank You Dr. Dang for being straight up with me and taking the time to explain and care! You are a Very Educational and Helpful Doctor!
Providence Patient
I am very relieved Dr Dang was able to help me with the management of my illness which I didn't know what else to do. God bless him.
Providence Patient
Dr Dang was exceptional in all respects.
Providence Patient
Very good.
Providence Patient
I'm very satisfied patient with my providers.
Providence Patient
Dr Dang is a premier provider in the pivotal system of endocrinology.
Providence Patient
Both my wife and I see this doctorWe are satisfied with everything about this doctor.
Providence Patient
Outstanding service from Dr. Dang and his staff.
Providence Patient
He's a very professional and friendly doctor
Providence Patient
He is always professional and has a great demeanor.
Providence Patient
Dr. Dang biopsies my thyroid for ten years until it needed to be taken out. He is very professional, listens and shows concern.
Providence Patient
Always happy visiting Dr. Dang knowing that I'm in best care possible. I became so much healthier after care received from Dr. Dang. He understands my needs and sets my health goal. I'm very thankful for him.
Providence Patient
Dr. Dang is always respectful, caring, and thorough.
Providence Patient
I've seen many doctors at facet medical. Dr dang is my favorite doctor at facey medical. I wish he could be my primary doctor.
Providence Patient
Good care overall
Providence Patient
Dr. Dang is a fantastic doctor. He listens, explains that I can understand. I feel I am in great hands. All my Facey doctors are great. I am blessed.
Providence Patient
Very good
Providence Patient
Excellent Dr Dang never have a problem with bim
Providence Patient
Dr Dang is professional, knowledgeable, patient, and caring. Thank you!
Providence Patient
First visit with a lot of questions. He answered every one, and put me at ease. Happy with this doctor.
Providence Patient
Excellent doctor
Providence Patient
All was great and no problems.
Providence Patient
I am so fortunate to have such outstanding physician's and specialists who all are so professional and take the time to explain everything so I can understand. They also have all my records of testing and medications so they can have an overall picture of my health. If there's a concern they will contact the other doctor or ask me to contact them. I am so happy that I have Dr. Dang as my endocrinologist.
Providence Patient
Knowledgeable, compassion and kind provider. Staff nice and friendly.
Providence Patient
All very positive
Providence Patient
Great doctor being seeing him for years. Very happy with him
Providence Patient
He is very professional and listens to his patients concerns and answer questions in way a patient will easily understand
Providence Patient
Quick and to the point
Providence Patient
Dr. Dang is always kind and courteous
Providence Patient
Doctor was courteous, knowledgeable and professional. I trusted him immediately!
Providence Patient
Excellent customer service by all
Providence Patient
Facey has alway been very attentive to my needs. Thank you!
Providence Patient
I LOVE ALL MY FACEY DOCTORS...WOULD NOT CHANGE A THING.....THEY ARE ALL A 10
Providence Patient
Dr Dang is excellent!
Providence Patient
Dr. Dang is always considerate, professional, and kind.
Providence Patient
Grate always over all thing
Providence Patient
Always helpful and does care.
Providence Patient
Dr. Dang is a very good doctor. He is very knowledgeable in his field, is personable and gives good advice.
Providence Patient
Very good experience
Providence Patient
Dr. Dang is an excellent physician. He is caring, attentive, and intelligent. He is well informed about my health and medical condition. I am very happy that he is part of my medical team.
Providence Patient
Dr Dang was extremely thorough and he addressed problems about my thyroid goiter, that I hadn't checked for many years. He is very knowledgeable and I trust him
Providence Patient
Professional care.
Providence Patient
Great staff and doctor.
Providence Patient
I'm very happy with my doctors.
Providence Patient
Dr Dang and staff were prompt, professional, courteous, and respectful and understanding.
Providence Patient
PROFESSIONAL AND CARING
Providence Patient
Clinical Interests
- Abnormal Cortisol Level Tests
- Abnormal Glucose
- Abnormal Glucose Metabolism
- Addison's Disease
- Adrenal Adenoma
- Adrenal Disorders
- Adrenal Mass Non Malignant
- Adrenal Neoplasm
- Adrenogenital Syndrome
- Androgen Excess
- Androgen Insensitivity
- Calcium Metabolism
- Carcinoid Syndrome
- Congenital Hypothyroidism
- Conn Syndrome
- Cushing Syndrome
- Diabetes Education
- Diabetes Mellitus
- Ectopic Hyperparathyroidism
- Endocrine Disorders
- Feminizing Syndrome
- Fine Needle Aspiration Of Thyroid
- Glucagonoma
- Glucocorticoid Deficiency
- Goiter
- Grave's Disease
- Growth Disorders
- Growth Hormone Abnormalities
- Growth Hormone Deficiency
- Gynecomastia
- Hashimoto Thyroiditis
- Hyperaldosteronism
- Hypercalcemia
- Hypercholesterolemia
- Hyperglycemia
- Hyperglycemic Hyperosmolar Syndrome
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoglycemia
- Hypogonadism
- Hypoparathyroidism
- Hypopituitarism
- Hypothalamic Pituitary Disorder
- Hypothyroidism
- Insulin Pump
- Insulin Resistance
- Insulin Therapy
- Insulinoma
- Kidney Disease
- Low Blood Sugar
- Metabolic Bone Diseases
- Metabolic Syndrome
- Multiple Endocrine Neoplasia
- Myxedema
- Nodular Goiter
- Non Toxic Goiter
- Osteopenia
- Osteoporosis
- Panhypopituitarism
- Parathyroid Disease
- Parathyroid Hyperplasia
- Pheochromocytoma
- Pituitary Adenoma
- Pituitary Disorders
- Pituitary Tumor
- Primary Hyperparathyroidism
- Pseudohermaphroditism
- Pseudohypoparathyroidism
- Radioiodine Therapy
- Rickets
- Secondary Hyperaldosteronism
- Thyroid Cyst
- Thyroid Disorder
- Thyroid Hormone Resistance
- Thyroid Nodule
- Thyroiditis
- Thyrotoxic Exophthalmos
- Thyrotoxicosis
- Toxic Diffuse Goiter
- Toxic Nodular Goiter
- Type 1 Diabetes
- Type 2 Diabetes
- Uremic Hyperparathyroidism
- Virtual Care
- Vitamin Deficiency
As always doctor Dang takes care of my concern. Actually, he even checks my whole record and that's what amazes me. It just truly shows how he is concerned with my whole heath.
Providence Patient