Ronald J. Ruby, MD
Redondo Beach, CA 90277
Redondo Beach, CA 90277
Providence Medical Institute - Redondo Beach Internal Medicine & Endocrinology
520 North Prospect Avenue, Suite 200, Redondo Beach, CA 90277
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Insurances Accepted
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- United Healthcare PPO
- United Healthcare Medicare Advantage HMO
- TriCare
- Multiplan PPO
- Health Net PPO
- Coventry/First Health PPO
- Cigna PPO
- Blue Shield of CA PPO
- Anthem Blue Cross PPO
- Anthem Blue Cross Medicare PPO
- Aetna PPO
- Health Net - Medicare Advantage
- Vivity by Anthem Blue Cross
- United Healthcare HMO
- Health Net HMO
- Humana Medicare Advantage
- Cigna HMO
- Blue Shield of CA Medicare Advantage
- Blue Shield of CA HMO
- Anthem Blue Cross Medicare Advantage
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About Ronald J. Ruby
At Baltimore City Hospitals, Dr. Ruby performed his internship and residency. He became the Chief Medical Resident and a fellow at Johns Hopkins Hospitals. His fellowship training in endocrinology was at Harbor UCLA where he was the Chief Resident. Fellowship interest were in diabetes, obesity, and thyroid disease.
He is a charter member and fellow of the American Association of Clinical Endocrinologists and a member of the National Lipid Association, American Diabetes Association and the Endocrine Society. He has been in the South Bay since 1980 practicing Internal Medicine and Endocrinology. Dr. Ruby has served as the medical director on the board of directors for the South Bay Independent Medical Group. He was the chief of staff at South Bay Hospital. Currently serving as director of the medical education at Providence Little Company of Mary. His current clinical research involves early diagnosis and treatment of pre-diabetics and recognition of premature vascular disease.
Dr. Ruby is a published author and serves as a national speaker for osteoporosis. He is a lifelong sports enthusiast, plays paddle tennis and has a great interest in photography. His wife, two sons and two grandchildren remain the primary focus of his busy and productive lifestyle. His last publication was in the international journal The Lancet-Diabetes & Endocrinology in October 2018 called STOP DIABETES.
Harbor UCLA Medical Center
residencyJohn Hopkins Bayview Medical Center
internshipJohn Hopkins Bayview Medical Center
Medical School
University of Texas
1973
- American Board of Internal Medicine, Internal Medicine
- American Board of Internal Medicine, Endocrinology Diabetes and Metabolism
- American Board of Internal Medicine, Endocrinology and Metabolism
520 North Prospect Avenue, Suite 200
Redondo Beach, CA 90277
Providence Axminster Medical Group
Providence Little Company of Mary Medical Center Torrance
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 Ruby and staff are the best.
Providence Patient
Excellent care from Dr Ruby! The best Doctor ever!
Providence Patient
Dr Ruby has be super for me.
Providence Patient
I fully trust my doctor. He always there to listen to all my health issues. He's my doctor for years and he's the one who found out about my cancer. I can ask for a better doctor. The receptionist is friendly and professional. I love coming to this office because they're always making me feel special.
Providence Patient
Professional, skilled and great sense of humor
Providence Patient
I ve been seeing Dr Ruby longer than I can remember. 35 maybe 40 years, He s the best.
Providence Patient
Dr. Ruby is very professional caring, sensitive to your needs, I would recommend him for sure!
Providence Patient
Dr. Ruby is caring, friendly and professional. I have confidence that I am receiving the best care possible for my condition as it continues to improve. Thank you Dr. Ruby!
Providence Patient
Dr. Ruby has been the best provider possible for me for decades!
Providence Patient
It's always a pleasure to meet with Dr Ruby and his staff.
Providence Patient
This doctor is very detailed and explains everything well.
Providence Patient
Dr. Ruby is very good, very knowledgeable and caring! Our family is very happy to have him.
Providence Patient
Doctor is always courteous and explains the situation well.
Providence Patient
Dr. Ruby is an outstanding physician. He manifests all the qualities, experience, knowledge and skill of a model physician.
Providence Patient
After 40+ years of a patient/PCP relationship Dr. Ruby has seen me through my medical life with style and grace. He makes sure that he is up to date on all of my endocronological issues. Wh have come a long way together......
Providence Patient
Always get great treatment.
Providence Patient
Dr. Ruby and his staff are outstanding. He is very esay to talk to and down to earth
Providence Patient
Dr. Ruby is an excellent doctor to have in my corner. He listens, he is highly knowledgeable and gives excellent advice.
Providence Patient
Always good
Providence Patient
DR. Ruby is thourough,relatable, and compassionate. I would highly recommend him.
Providence Patient
Excelent provider
Providence Patient
Excellent
Providence Patient
Dr. Ruby was great. He listened to me, explained his diagnosis, described the possible treatments, and issued a prescription during our visit. This was everything I needed.
Providence Patient
DR RUBY IS A Miracle worker. I think he has a direct line to God and I thank God and everybody in that office. Cause I am now healthier than I've ever been and I came. There very sick and I'm not sick anymore, and that's because. Doctor Ruby has HEALING POWER,S Doctor Ruby is an excellent Doctor and very, very smart.I think he's a genius
Providence Patient
EXCELLENT CARE
Providence Patient
Dr. Ruby is a very caring physician, very knowledgable, and very thorough - he reads the messages he receives through Mychart and has always responded immediately.
Providence Patient
I always look forward to seeing Dr Ruby and my blood pressure readings show it
Providence Patient
I have been very lucky to have seen Dr Ruby for 30 years
Providence Patient
Dr Ruby is very knowledgeable. He explained my condition in very easy to understand terms, drew pictures. He put me at ease. He explained the next steps.
Providence Patient
Everything with this provider and office is top notch. So professional, helpful, friendly and thorough.
Providence Patient
Dr Ruby is a very patient, kind, friendly, informative doctor who takes his time. Never rushes and listens to any questions or concerns. The best doctor.
Providence Patient
Dr Ruby and his staff are always very nice and helpful.
Providence Patient
Dr. Ruby is clearly interested in my well being
Providence Patient
Dr Ruby has been my GP for the last thirty years and has always taken excellent care of my health
Providence Patient
Excellent, timely and thorough comprehensive care
Providence Patient
Dr. Ruby was very nice and gave me good information.
Providence Patient
Dr. Ruby is always aware of my medical needs and history. He is on top of all issues.
Providence Patient
Dr. RUBY is very compassionate and truly cares about my health and concerns. He is very thorough and makes me feel at ease. He is a great physician
Providence Patient
The doctor and his staff were very kind and helpful.
Providence Patient
Always outstanding care from Dr. Ruby and his team.
Providence Patient
Excellent provider and caring and competent staff.
Providence Patient
Dr. Ruby, is a wonderful and knowledgeable doctor, whom I believe saved my life. He diagnosed my problem and discussed with me the information from test results. After prescribing for me a medication, diet and exercise routine to improve my health outcomes, I have had a hugh reversal of the damaging effects from my illness. I feel that my current improved health outcomes are due to the vast knowledge and experience of Dr.Ruby. Thank you Dr.Ruby!!!
Providence Patient
Dr Ruby is a very good doctor. He listened to my concerns and questions
Providence Patient
Dr Ruby has been keeping me healthy for over 20 years. I am lucky to have crossed paths with him.
Providence Patient
Dr Ruby help me in control my thyroid on normal thank you Dr Robin
Providence Patient
I truly appreciate the attention given Dr Ruby and his staff, I feel very confident of the care they give to my health concerns.
Providence Patient
I am very happy with my doctor and his staff
Providence Patient
Dr. Ruby went to great lengths to explain my problem and even drew a diagram for me.
Providence Patient
Always get excellent care.
Providence Patient
Dr. Ronald Ruby is an exceptional physician and I feel very fortunate that he serves as my PCP!
Providence Patient
I have known this provider many years and am totally satisfied.
Providence Patient
Very fortunate to have Dr. Ruby as primary care provider.
Providence Patient
Dr Ruby is the best and staff wonderful. Great team and great Doctor
Providence Patient
Always a pleasure to visit this office.
Providence Patient
Excellent Doctor
Providence Patient
Very good doctor
Providence Patient
It took several attempts to be cleared to make an appointment bur the effort was well worth the trouble. My ongoing metabolic concerns with my primary care were addresses to my satisfaction
Providence Patient
Excellent doctor!
Providence Patient
Dr. Ruby is my favorite not just as my endocrinologist but as a doctor in general. He has the best bedside manner, makes me feel I am in the best If hands with any medical issue I may have and he always remembers me even when we only see each other once a year. A doctor that makes a patient feel heard is so preciously rare. I am in deep gratitude for my care with Dr. Ruby.
Providence Patient
Wonderful experience. The best total care.
Providence Patient
Dr. Ruby is a Fine, professional, courteous, knowledgeable, and Concerned doctor! He is the best!
Providence Patient
Dr. Ruby had good insight and a clear understanding of the challenges of my health history. He explained everything thoroughly, to my understanding and satisfaction.
Providence Patient
Appreciate the care and moderation in assigning and evaluating ongoing prescriptions.
Providence Patient
Very professional. I've been seeing Dr. Ruby for over 40 years and always enjoy my visit. I am very fond of him, enjoy talking to him and absolutely trust him with my healthcare.
Providence Patient
Dr. Ruby is a very caring provider and answers all questions clearly.
Providence Patient
Dr Ruby prescribed a chest x-ray on the of visit. He called me at home to inform me of the result as soon as he was through evaluating the result. Very impressed.
Providence Patient
I have been extremely satisfied with the care received from the entire staff, from each doctor to all support staff in this office.
Providence Patient
Dr. Ruby and his staff are always great to visit and very thorough.
Providence Patient
Dr. Ruby and his staff are TEN STAR PLUS
Providence Patient
Dr. Ruby is a very caring and dedicated professional who has always acted in our best interest.
Providence Patient
Dr Rudy is the most professional doctor I've ever known and he cares about his patients.It will be a very sad day when he retires.
Providence Patient
I am very thankful for being at Providence under Medi-Cal and prior insurance. Everyone is very nice and courteous to their patients. They really show that they care. I recently had transferred my mother to Providence and she was amazed how everything runs here especially on referrals. I really appreciate you all and thank you for everything that you do.
Providence Patient
Dr.Ruby is very knowledgeable about new methods of dealing with patients that had a liver transplant & information on cancer care.
Providence Patient
Best part of the visit is Dr Ruby. He is very caring and knowledgeable
Providence Patient
I like Dr Ruby and his staff they are very friendly and considerate
Providence Patient
I get the best care from Dr Ruby and highly recommend him to anyway! His office staff is wonderful!!!
Providence Patient
The care I get from Dr Ruby and his staff are top notch.
Providence Patient
Dr Ruby is such a good and caring doctor that I look forward to going for appointments with him.
Providence Patient
Excellent care and attention from all individuals and professionals
Providence Patient
Great staff and of course Dr Ruby is simply the best!
Providence Patient
This was a routine visit to discuss blood work. I was satisfied with the results.
Providence Patient
Dr. Ruby is an exceptional and caring endocrinologist who is treating a specific medical issue. I feel so confident about his care and am making continuous and steady progress of improvement under his care. Wished I was under his care sooner when I was first diagnosed with my medical issue.
Providence Patient
Have seen dr. Ruby many years for osteoporosis. He carefully reviews tests and alters treatment as needed
Providence Patient
Very nice doctor
Providence Patient
All good.
Providence Patient
Dr. Ruby and his staff are very good.
Providence Patient
Dr Ruby is the best. So knowledgeable and patient
Providence Patient
Dr Ruby and his staff are always friendly, helpful & knowledgeable.
Providence Patient
The hole office do a great job very professional
Providence Patient
Wonderful doctor. This wS my first visit with him. He spent alot of time with me, listening to what I was saying and answering all my questions.
Providence Patient
Very good experience
Providence Patient
Since he is so well aware of my medical history, he gave me reliable advice on medical decisions I have made, and will need to make, in the near future, such as medicines and procedures he recommends that I should have, or should avoid.
Providence Patient
Dr Ruby has been my endocrinologist for 25+ years I am very lucky to have him as my endocrinologist
Providence Patient
It's always a good experience at Dr. Rubys office.
Providence Patient
I never have to wait long to see Dr Ruby k his staff is excellent
Providence Patient
Dr Ruby is an outstanding person and Dr.
Providence Patient
Awesome!
Providence Patient
Excellent
Providence Patient
Dr Ruby and staff are the BEST
Providence Patient
All good and professional
Providence Patient
Dr Ruby is always very patient, kind, friendly and easy to talk to. He takes his time listening to any concerns and never rushes through the appointment.
Providence Patient
Dr Ruby is a wonderful caring knowledgeable person
Providence Patient
Always good
Providence Patient
Dr Ruby listens well, offers excellent advice, knows all my health needs. Dr Ruby is a real advocate for me as a patient. He goes the extra mine for my medical care and respects me as an intelligent person regardless of my age.
Providence Patient
Dr Ruby was compassionate and extremely helpful and answered all my questions .
Providence Patient
Dr. Rudy's relevant knowledge is amazing! He takes the time to give you the information you need.
Providence Patient
All good experience
Providence Patient
Dr Ruby extremely caring & concerned with my diabetes and how to best manage
Providence Patient
Dr. Ruby was extraordinary. I am transferring my care to him. He shared up to date research and balanced recommendations. He was top notch
Providence Patient
Dr. Ruby truly cares about my health and provides great advice and knowledge into my health issues.
Providence Patient
I have been seeing Dr Ruby for over 20 years and he has kept me on track. I am grateful everyday that he is my Dr.
Providence Patient
The "Dr. Ronald Rudy" team is EXCELLENT. Service, communication, follow thru, professionalism all top notch. Dr. Ruby is outstanding. His standards exceed the norm and therefore his staff perform well beyond the norm.
Providence Patient
Dr Ruby is always professional- a true class act!
Providence Patient
Dr. Ruby and his staff are excellent at what they do. I've been a patient of Dr. Ruby for years now. I would not see anyone else. He is professional, caring and kind.
Providence Patient
Excellent knowledge of my health condition, past and present.
Providence Patient
I am so impressed with Dr. Ruby's knowledge and professionalism and he is nice to boot!
Providence Patient
Good experience
Providence Patient
Dr Ruby is an outstanding physician
Providence Patient
I've gone to Dr. Ruby for over 20 years, and he is the best.
Providence Patient
My experience at Dr Ronald Ruby's office is always welcoming. The staff is very kind and helpful. Dr Ruby is very thorough with what he does. He cares for his patients and does whatever he can to help you. He takes the time to hear about your questions and concerns and really explains everything in detail. He's a wonderful doctor and is highly recommended.
Providence Patient
Dr Ruby is a fantastic doctor and great guy. He listens and provides needed feedback to all of my questions and concerns.
Providence Patient
Good bedside manner
Providence Patient
Took the time to explain all options for treatment and answers all questions.
Providence Patient
Dr. Ruby is a caring and knowledgeable doctor. He's the best!
Providence Patient
As always, Dr. Ruby and his entire team are FIVE STAR PLUS
Providence Patient
Dr Ruby and his staff are all very nice and very helpful.
Providence Patient
I have been seeing him for the last 40 or so years.
Providence Patient
Provider is very easy to talk to about any subject. I feel he made a profound difference in my health.
Providence Patient
Always a good experience with my health care doctors and assistants great
Providence Patient
Very happy with the help
Providence Patient
Great practice all around staff and especially Dr.Ruby
Providence Patient
Conditions and Procedures
- 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
- Cardiovascular Disease
- 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
- Low Blood Sugar
- Metabolic Bone Diseases
- Metabolic Syndrome
- Multiple Endocrine Neoplasia
- Myxedema
- Nodular Goiter
- Non Toxic Goiter
- Osteopenia
- Osteopetrosis
- 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
Dr Ruby is always patient and understanding
Providence Patient