Tammy E. Lo, PAC
Fullerton, CA 92835
- Mission Heritage Medical Group and Affiliated Physicians
- St. Joseph Heritage Medical Group and Affiliated Physicians
- St. Jude Heritage Medical Group and Affiliated Physicians
St. Jude Heritage Fullerton - Plaza
2141 North Harbor Boulevard, Suite 25000, Fullerton, CA 92835
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Marshall B. Ketchum University
2018
- National Commission on Certification of Physician Assistants, Physician Assistant

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 Garcia's visits are always as expected, excellent care, compassionate, listens to my concerns and remembers who I am. I never feel like I am just another number, he knows who I am.
Providence Patient
I was in good hands.
Providence Patient
Very good care. Very pleased.
Providence Patient
I had a great experience, she provided information education, and reviewed my medical records completely. She made recommendations for my medical situation. She was kind and courteous.
Providence Patient
Dr. Borsari is extremely kind and helpful with all medical necessities.
Providence Patient
Tammy Lo does a great job as a PA when I cannot see my primary physician Dr. Cabral.
Providence Patient
Very knowledgeable. Although this was the first time I saw PA Tammy Lo, she quickly familiarized herself with my medical condition and made, what I thought, was appropriate recommendations and changes to my meds. Good job. Ten stars for her.
Providence Patient
Dr. Lu is very thorough and good listener.
Providence Patient
Tammy Lo is very patient and explains everything to you and takes interest in what you have to say.
Providence Patient
All of the doctors I have seen are caring
Providence Patient
The PA was excellent and patient very good
Providence Patient
I came in from being in the hospital for 3 days with pneumonia as I was pretty exhausted so being on time for 8:15am appointment for me was pretty good. Tammy Lo was explaining that having pneumonia at age 65 could be very serious and she realized that I was 80. I felt her sincere caring and I appreciated that.
Providence Patient
All was good
Providence Patient
Tammy Lo is always great, providing high level medical expertise and advice. St Jude is privileged to have her
Providence Patient
St. Jude sets the bar high for quality care!!
Providence Patient
Good
Providence Patient
Tammy is very knowledgeable and easy to talk to. Very happy with visit.
Providence Patient
Tammy Lo is excellent! Great provider. Great listener. Compassionate and professional.
Providence Patient
The provider called me at home On their own phone to check on my condition On [Date] from her home that made a big impact on me. I feel confident with her decisions and having a part of my team.
Providence Patient
Tammie Ali is excellent,, she is thorough and informative
Providence Patient
Always receive the best care
Providence Patient
Tammy is very professional helpful kind even sometime better than Some Doctors
Providence Patient
Tammy Lo is very professional and knowledgeable . She was very familiar with my prescriptions, offering advice about one of my vitamins.
Providence Patient
Excellent Doctor. Very caring
Providence Patient
All questions were answered.
Providence Patient
Tammy Lo is a real asset to St Jude
Providence Patient
Outstanding
Providence Patient
I was treated with care.
Providence Patient
OMG you need to keep Tammy. She explains everything and what was coming next. She was kind
Providence Patient
I have never been so happy with the medical care I am receiving at your facility! All individuals I have come across have been helpful, respectful, and professional. A+
Providence Patient
Great experience
Providence Patient
PA Lo helped with my BP elevation and offered a solution for daily BP checks and follow up appts.
Providence Patient
Tammy was great I felt heard and cared for. She is a great addition to my care team
Providence Patient
I feel the provider was thorough.
Providence Patient
Tammy Lo is an excellent physician.
Providence Patient
I'm always very satisfied with my medical care from all of my providers within this group. I give them high praises *****
Providence Patient
Use the messages in my chart and get very good response to it
Providence Patient
I am always treated with respect and provider Is always willing to answer any questions/ concerns
Providence Patient
Tammy Lo is an exemplary Physician Assistant in my opinion. Her interpersonal skills are great, she is very thorough in her review of your reason for visit revisits any background information that may apply to the visit.
Providence Patient
I've always had good experiences with this provider
Providence Patient
Tammy was great
Providence Patient
Good experience
Providence Patient
Even as a home bound patient they have always given me and my family caregivers excellent advice and care
Providence Patient
I've always been treated very well by all the members in the Providence medical group. They are very attentive to my needs and treat me as if I'm part of their family.
Providence Patient
This is the first time I had an appointment to Tammy Lo and I was very pleased with her professionalism.
Providence Patient
Excellent care
Providence Patient
Easy to talk to and took her time to listen and explain everything.
Providence Patient
While this was first time I was assured by Tammy, she was the quality of care received was thorough and reassuring. Dr. Amy Alias is always stellar!
Providence Patient
Tammy was very thorough. Provided me information and quality care. I cannot complain.
Providence Patient
Good and courteous treatment as always to
Providence Patient
This was a post septic shock/ post cholecystectomy surgery followup. I had left calf pain develop that morning & a D-Dimer standard blood test draw was ordered STAT with instructions for me to present at the ED if the D-Dimer was elevated. The D-Dimer came back [ID] & off to the ED I went at 5:30 pm seconds after the my chart notice of test results. I had bilateral pain by then & had ultrasound studies of both legs. Despite the elevated D-dimer I had no thromboses imaged. I sent a thank you message to Tammy Lo, PA
Providence Patient
Excellent!
Providence Patient
I have a good experience with my care. Provider
Providence Patient
Very nice and knowledgeable physician assistant
Providence Patient
P/a took time listening as well as explaining VERY GOOD EXPERIENCE AAA+++
Providence Patient
I've NEVER had a bad experience with St Jude.
Providence Patient
Ms. Lo is always very helpful and kind.
Providence Patient
Tammy is an amazing human being.She is so kind and so helpful with taking care of me. She definitely deserves to be given an award for her care. Thank you for your time.
Providence Patient
Tammy Lo is a valuable asset to St Jude. We hope to be able to see her as well as Dr. Cabral for many more years. She is a remarkable medical practitioner
Providence Patient
Tammy Lo and Dr Garcia's office is always professional and friendly.
Providence Patient
I have always received excellent care from Dr Cabral and Tammy lo. This time was no exception.
Providence Patient
It was my first time meeting Tammy. She was very kind and took her time to answer all my questions and concerns. I will definitely stay with her as my provider.
Providence Patient
She is very attentive and listens to my concern. Competent and has empathy. Did not rush me for my questions. Thank you for your service.
Providence Patient
Love my doctors office aleays well taken care off
Providence Patient
Tammy Lo is very easy to discuss health issues with. She is very welcoming .
Providence Patient
Tammy was the best PA I've ever seen at St Jude!
Providence Patient
Tammy Lo was great.
Providence Patient
I had a very informative visit and had all of my questions answered and needs met. I feel that I am in good, caring hands.
Providence Patient
Love my provider! Great team when you can't get to the main provider, his team provides all the necessary care and gets back to him.
Providence Patient
I appreciate the time taken to communicate clearly and am grateful for the care . Thank you .
Providence Patient
First time visit with this PA. I was very impressed with her knowledge, questions, and care
Providence Patient
She is very kind and listens to me and helps me with my concerns.
Providence Patient
Always a good experience
Providence Patient
She was very thorough and knowledgeable
Providence Patient
Tammy was incredibly knowledge about my medical history and recent hospitalization, despite not being my doctor. She was very caring and helpful during my appointment. I would definitely see her again if my PCP isn't available.
Providence Patient
Always satisfied
Providence Patient
Tammy Lo is excellent she always listens and takes time to evaluate and explain my health concerns She is kind and knowledgeable
Providence Patient
Tammy Lo already knew of upcoming appointments and surgical needs from a different doctor's office.
Providence Patient
Tammy Lo was excellent. I hadn't been to the doctor in over a year; she not only addressed my issue but got me back on track with my medical needs after the time away. She is knowledgeable and patient and I felt taken care of and taken seriously.
Providence Patient
Tammy Lo listens and is available anytime I need her. Very effective doctor.
Providence Patient
Tammy prescribed the right meds and cleared up my breathing issues .
Providence Patient
The provider mean with comfort acceptance and attended to every question nicely
Providence Patient
I received the care and attention that I needed. Thank you
Providence Patient
Tammy Lo is great. Perfection. A listening ear. Very thoughtful. Encouraging. Positive. Helpful. Knows my health care concerns. I'm not a MR#.
Providence Patient
She is very professional and easy to talk to.
Providence Patient
Tammy is not only extremely knowledgeable, sharp, and a good clinician, but she has an excellent rapport with me. She spent 40 minutes with me today since I just got out of St. Jude Hospital yesterday after a ten-day raging bout of double pneumonia complicated by co-morbidities (RA, immune-suppressant meds, etc) She never once made me feel rushed, and she answered all my questions and referred to Dr. Borsari when necessary. I cannot tell you how much I appreciated her expertise and kind manner.
Providence Patient
All good.
Providence Patient
Tammy Lo listened carefully, explained next steps thoroughly and performed her duties with care and concern.
Providence Patient
So far so good
Providence Patient
A very well explained information.
Providence Patient
Provider was attentive to all my concerns
Providence Patient
Both Dr. Amy Alias and Tammy Lo are excellent physicians who are attentive to the patient's needs. My experience with them are pleasant and positive.
Providence Patient
I have no complaints, I alway recieve great care.
Providence Patient
Received great support.
Providence Patient
Tammy as well as Dr Ruben Cabral are the best possible. Tammy was born to be a Doctor . So glad to have them get me threw life . They both spend more thsn enough time with me . Thanks
Providence Patient
Tammy Lo is the best she is patient caring and understanding knowledgeable and I highly recommend her and the team
Providence Patient
Tammy Lo was very professional in handling my appointment. She was very knowledgeable about my condition and care.
Providence Patient
I expected to see Dr. Wu but he was all booked up for weeks - I was able to see the P.A. Tammy and she was very capable.
Providence Patient
Tammy is very good at her Job. She also has a very pleasant personality. She makes you feel like she cares.
Providence Patient
All positive and thorough
Providence Patient
T. Lo was a good experience at the time I needed it with all right questions concerning my visit.
Providence Patient
Was very happy with the time and care she provided me. I had not expected someone with her knowledge and care. Very pleased
Providence Patient
Very knowledgeable and and considerate. PA Tammy could not have been nicer and it was a pleasure having her attend to my problem. It was my first time meeting her.
Providence Patient
I love Tammy!! Amazing Attentiveness
Providence Patient
Everything was very good, no bad experiences.
Providence Patient
If I could rate Tammy 100, I would. She is Excellent.
Providence Patient
Tammy was very thorough, friendly, and professional.
Providence Patient
I've always been taken good care of. I had to change my appointment because of a funeral and the P.T. was excellent.
Providence Patient
Tammy is patient and answers all my concerns and then some, I feel very good with her recommendations
Providence Patient
Tammy Lo was excellent in caring for me and making necessary appointments
Providence Patient
Tammy Lo is the best!
Providence Patient
Tammy is very easy to talk to.
Providence Patient
Tammy Lo gave me the help I needed to get better.
Providence Patient
Excellent care every time I am in for a visit. I would prefer to not have to wait several days to see someone, though. To see my own doctor would have been a 2 month wait. But Tammy was amazing and would be happy to see her again.
Providence Patient
Very satisfied with Ms Lo's care,
Providence Patient
Good practitioner!
Providence Patient
Tammy Lo is great. She always discusses concerns with my primary physician as well.
Providence Patient
Tammy Lo is a very personable and efficient provider.
Providence Patient
She's excellent and NP she takes time to explain and I'm very satisfied
Providence Patient
Tammy Lo is an excellent addition to Dr. Borsari's practice. Both are very caring and give me the best care.
Providence Patient
Tammy Lo is always a pleasure to see.
Providence Patient
All Good.
Providence Patient
Extremely satisfied with PA Tammy Lo and the care that I receive during visits with her.
Providence Patient
I love Tami..she is always right on top of everything. She listens, which is very important to me.
Providence Patient
Tammy lo was very helpful and professional,job well done.i like her initiatives for sending me /helping get my xray and ultrasound because of my deep pain on my right ankle,could harldly walk.
Providence Patient
Tammy Lo and the staff are very professional.
Providence Patient
Clinical Interests
- Abdominal Cramps
- Abdominal Pain
- Abnormal Bowel Movement
- Abnormal Stool
- Abrasion
- Acne
- Actinic Cheilitis
- Acute Arthritis
- Acute Back Pain
- Aging
- Alcohol Dependency
- Allergic Conjunctivitis
- Allergic Contact Dermatitis
- Allergic Reaction
- Allergic Rhinitis
- Allergic Wheezing
- Allergies
- Altered Bowel Habits
- Anal Pain
- Anemia
- Angular Cheilitis
- Animal Bite
- Ankle Injury
- Ankle Instability
- Anorexia
- Anxiety
- Aphthous Ulcers
- Arm Pain
- Arm Weakness
- Arthralgia
- Asthma
- B12 Deficiency Anemia
- Back Injury
- Back Muscle Injury
- Back Muscle Pain
- Back Pain
- Bereavement
- Bilateral Knee Pain
- Birthmark
- Bleeding Hemorrhoids
- Blister
- Blood In Stool
- Blurred Vision
- Breast Lump
- Bright Red Blood Per Rectum
- Bronchitis
- Bruising
- Burns
- Cancer Prevention
- Cancer Screening
- Cardiovascular Disease
- Cellulitis
- Cerumen Removal
- Chest Pain
- Chlamydia
- Choking Sensation
- Cholesterol Disorders
- Cholesterol Management
- Chronic Abdominal Pain
- Chronic Cough
- Chronic Diarrhea
- Chronic Disease Management
- Chronic Fatigue Syndrome (Cfs)
- Chronic Migraines
- Chronic Obstructive Pulmonary Disease
- Chronic Pain
- Claudication
- Cold Intolerance
- Cold Sore
- College Health
- Common Cold
- Concussion
- Concussion Testing
- Confusion
- Conjunctivitis
- Constant Nausea
- Constipation
- Contact Dermatitis
- Coping Skills
- Cough
- Cystitis
- Daytime Sleepiness
- Decrease In Appetite
- Dehydration
- Dementia
- Depressed Mood
- Dermatophytosis
- Diabetes Education
- Diabetes Management
- Diabetes Mellitus
- Diarrhea
- Diet And Exercise
- Diet And Nutrition
- Disability Evaluation
- Disorder Of Balance
- Distractible
- Diverticulitis
- Dizziness
- Drug Reaction
- Dry Nose
- Dry Scalp
- Dry Sinus
- Dry Skin
- Dyshidrosis
- Dyspepsia
- Dysphagia
- Dysphoria
- Dyspnea On Exertion
- Dysuria
- Ear Discharge
- Ear Drainage
- Ear Exam
- Ear Infections
- Ear Pressure
- Earache
- Eczema
- Elbow Pain
- Elbow Sprain
- Emphysema
- Employee Health
- Enlarged Prostate
- Environmental Allergies
- Epicondylitis
- Epigastric Pain
- Epistaxis
- Eructation
- Erythema
- Eye Infections
- Eye Pain
- Eye Strain
- Face Swelling
- Facial Nerve Palsy And Paresis
- Facial Pain
- Facial Tingling
- Falls
- Family History Of Cancer
- Family History Of Heart Disease
- Fasciculations
- Fatigue
- Fecal Incontinence
- Fever
- Fever With Chills
- Finger Pain
- First Degree Burns
- Flu Shot Vaccination
- Folliculitis
- Food Poisoning
- Foot Injury
- Foot Pain
- Frailty
- Frequency Of Urination
- Frequent Urinary Tract Infections
- Gastric Ulcer
- Gastroenteritis
- Gastroesophageal Reflux Disease
- Genital Herpes, Female
- Genital Herpes, Male
- Genital Warts
- Gluten Sensitivity
- Gout
- Grief
- Groin Mass
- Groin Pain
- Hand Injury
- Hand Pain
- Head Congestion
- Headache
- Health Maintenance
- Hearing Loss
- Heart Disease
- Heart Murmur
- Heart Racing
- Heat Intolerance
- Heel Pain
- Hematochezia
- Hematuria
- Hemoptysis
- Hemorrhoids
- Hepatitis A Vaccination
- Hepatitis B Vaccination
- Hernia
- Herpes
- Herpes Zoster
- Herpetic Whitlow
- Hip Pain
- Hirsutism
- Hoarseness
- Human Papilloma Virus (Hpv) Vaccination
- Hyperglycemia
- Hypertension
- Hypothyroidism
- Impacted Cerumen
- Impetigo
- Infectious Mononucleosis
- Influenza
- Ingrown Hair
- Ingrown Nail
- Insect Allergy
- Insulin Resistance
- Intention Tremor
- Interstitial Cystitis
- Intertrigo
- Iron Deficiency Anemia
- Itchy Ear
- Jaundice
- Joint Stiffness
- Joint Swelling
- Joint Warmth
- Keloid
- Keratin Cyst
- Keratitis
- Keratosis Pilaris
- Knee Click
- Knee Injury
- Knee Pain
- Labyrinthitis
- Lactose Intolerance
- Laryngitis
- Lateral Epicondylitis
- Leg Numbness
- Leg Pain
- Leg Weakness
- Lethargy
- Lifestyle Modification
- Lipomas
- Lower Back Pain
- Lump In Throat
- Lyme Disease
- Lymphadenopathy
- Measles Vaccination
- Medial Epicondylitis
- Memory Disorders
- Meningitis Vaccination
- Mens Health
- Migraine
- Mmr Vaccine
- Mood Symptoms
- Motion Sickness
- Mouth Bleeding
- Mouth Pain
- Mouth Ulcer
- Muscle Cramps
- Muscle Strain
- Muscle Weakness
- Musculoskeletal Pain
- Myalgia
- Nail Disease
- Nasal Congestion
- Nasal Obstruction
- Nausea
- Neck Muscle Injury
- Neck Pain
- Neck Sprain
- Noisy Breathing
- Norovirus
- Nose Pain
- Numbness
- Nutrition And Health
- Nutritional Counseling
- Obesity
- Odynophagia
- Optic Migraines
- Orthopnea
- Orthostatic Hypotension
- Osteoarthritis
- Osteopenia
- Osteoporosis
- Otalgia
- Otitis
- Overweight
- Palpitations
- Panic Reaction
- Paresthesia
- Paronychia
- Patellofemoral Syndrome
- Penile Bleeding
- Persistent Cough
- Pharyngitis
- Plantar Fasciitis
- Pleurisy
- Pleuritic Pain
- Pneumonia
- Pneumonia Vaccination
- Poison Ivy
- Poison Oak
- Polypharmacy
- Positional Vertigo
- Post Nasal Drip
- Prediabetes
- Preventive Medicine
- Problems With Smell And Taste
- Prostate Cancer Screening
- Prostate Examination
- Prostate Specific Antigen Blood Test
- Pruritus
- Pulmonary Infections
- Pyelonephritis
- Rash
- Rectal Bleeding
- Rectal Pain
- Restless Legs Syndrome
- Rhinitis
- Rosacea
- Scab
- Scabies
- Scaly Skin
- Sciatica
- Scratchy Voice
- Seasonal Allergies
- Seborrheic Dermatitis
- Sensitive Skin
- Severe Asthma
- Sexually Transmitted Disease (Std)
- Shingles Vaccination
- Shortness Of Breath (Sob)
- Shoulder Pain
- Shoulder Sprain
- Shoulder Strain
- Sinus Pain
- Sinus Pressure
- Sinusitis
- Skin Abscess
- Skin Cancer Screening
- Skin Tag Removal
- Sleep Disorders
- Slowing Of Urinary Stream
- Smoker Cough
- Snoring
- Sore Throat
- Spider Bite
- Splinter Removal
- Sports Related Concussion Testing
- Sprain
- Sputum Production
- Stomach Cramps
- Stomach Pain
- Straining On Urination
- Strep Throat
- Stress Incontinence
- Stridor
- Stye
- Substance Addiction
- Sunburn
- Suture Removal
- Swallowing Problem
- Syncope
- Tachycardia
- Tension Headache
- Testicular Pain
- Throat Tightness
- Thumb Dislocation
- Thyroid Disorder
- Tick Borne Infections
- Tinea Corporis
- Tinea Pedis
- Tingling
- Tinnitus
- Tobacco Use Cessation
- Tongue Pain
- Tongue Swelling
- Tracheobronchitis
- Travel Medicine
- Traveler's Diarrhea
- Tremor
- Tuberculosis (Tb) Test
- Twitching
- Type 1 Diabetes
- Type 2 Diabetes
- Unsteady Gait
- Upper Back Pain
- Upper Respiratory Infection
- Urge Incontinence
- Urinary Hesitation
- Urinary Retention
- Urinary Tract Infection
- Urinary Urgency
- Urticaria
- Vaccinations
- Varicella
- Varicella Vaccination
- Vasovagal Syncope
- Vertigo
- Viral Conjunctivitis
- Virtual Care
- Visual Discomfort
- Visual Disturbance
- Vitamin D Deficiency
- Vitamin Deficiency
- Voice Problems
- Vomiting
- Warts
- Weakness
- Weight Loss
- Weight Problem
- Wellness
- Wheezing
- Wrist Pain
- Wrist Sprain
I truly appreciate Tammy's knowledge and care for my health. She always takes time to listen and she recommends great suggestions for my continued health.
Providence Patient