Dr. Theresa Fynn

Dr. Theresa Fynn

Endocrinologist

3004 17th Street
St. Cloud, FL 34769

+1 more location

Overall rating

Top reviews

I have seen Dr Fynn for 10 years and she is a caring and excellent provider

Deborah C. • September 19, 2025

Always listens to your concerns and makes sure you get the best treatment

Susanne S. • September 16, 2025

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About Dr. Theresa Fynn

As a top-rated board-certified endocrinologist, Theresa Fynn, MD, can treat a realm of complex metabolic and hormone disorders. She cares for patients at Premier Endocrinology in St. Cloud, Florida.

After Dr. Fynn completed her undergraduate studies at the University of Ghana, she finished medical school at the University of Ghana School of Medicine and Dentistry. She then went through a residency in internal medicine and a fellowship in endocrinology, both at Howard University in Washington, DC.

Dr. Fynn completed additional training and is currently board-certified in internal medicine, as well as endocrinology, diabetes, and metabolism, through the American Board of Internal Medicine. She’s an active member of the American Thyroid Association and the American Association of Clinical Endocrinologists.

Patients often turn to Dr. Fynn for help with complex medical issues, especially when they haven’t previously found successful treatments. She welcomes patients who struggle with obesity, lipid disorders, and osteoporosis, among other chronic conditions. Dr. Fynn is currently accepting new patients.


Services, Conditions and Procedures

Adrenal Disorder

Diabetes

Lipid Disorders

Low Testosterone and PCOS

Obesity

Osteoporosis

Pituitary Disorder

Thyroid Diseases


Locations (2)

Premier Endocrinology

505 W. Oak Street
Suite 102
Kissimmee, FL, 34741

3004 17th Street
St. Cloud, FL, 34769


More About Dr. Theresa Fynn

Practice

Premier Endocrinology

Specialties

Insurance

  • Aetna
  • AvMed
  • Better Health (Florida Medicaid)
  • Blue Cross Blue Shield
  • CarePlus
  • Cigna
  • Clear Health Alliance
  • Devoted
  • Humana
  • Medicaid
  • Medicare
  • Molina
  • Prestige
  • Tricare
  • United Health Care
  • WellCare
  • WellMed
  • View all

NPI Number

1669639266


Reviews

4.84
789 Reviews

I have seen Dr Fynn for 10 years and she is a caring and excellent provider

Deborah C. • September 19, 2025

The wait is entirely to long I got there at 1:45 pm and did not leave until 3:15 I Think it was that is entirely to long at all My time is as important as the Drs time Also.

Carolyn H. • September 17, 2025

Always listens to your concerns and makes sure you get the best treatment

Susanne S. • September 16, 2025

My first appointment and I was very happy.

Katherine B. • September 12, 2025

He is very knowledgeable and answers all my questions. He also takes his time and explains any concerns I had.

Julie W. • September 10, 2025

One of the best ,very professional, and a good listener .

Jose C. • August 29, 2025

I have been treating my diabetes type 2 with Dr .Theresa Fynn for at least 8 yrs. She is very knowledgeable and professional. She encourages me to continue my medications for diabetes and high cholesterol and diet recommendations . With her help and care , my diabetes is in good control

Alida A. • August 26, 2025

Very nice doctor, very friendly, care about patients.

Lillian T. • August 14, 2025

Great

Brett S. • August 12, 2025

Extremely detailed very understanding Very meticulous. His nurse was equally meticulous

David S. • August 12, 2025

5 stars as always , great doctor, great stafff!!!!

Michael L. • August 09, 2025

Dr Ntim is one of the best Endocrinologists in Florida. I was very uncontrolled diabetic type 2 in a years time Lost weight, glucose in control and results are all positive. Thank you Doctor

Julian R. • August 07, 2025

Dr Finn is knowledgable and attentive. She very much cares about improving her patients well-being

Mark M. • August 06, 2025

Great dr,

Sandra S. • July 16, 2025

Very satisfying

Louis B. • July 07, 2025

Great Doctor

Daniel K. • July 02, 2025

Love Dr Flynn. She is a great doctor. Would definitely recommend.

Michelle N. • June 26, 2025

Excellent

Ana C. • June 24, 2025

Can’t say enough of good things about him. He takes his time and listens. Highly recommend him. He’s full of knowledge.

Carla T. • June 21, 2025

Great Doctor

Edward W. • June 20, 2025

He is above 100

Ileana R. • June 12, 2025

Timely- staff pleasant & knowledgeable. Dr Flynn great- answered all of my questions.

Debra P. • June 07, 2025

I feel confident that she is knowledgeable and giving me good health advice.

Rosemary A. • June 04, 2025

Thorough and addressed any concerns.

Ethan L. • June 04, 2025

She is the best . I value her as a Dr. her Patience with me and her explanation of my illness is easily understood. Also her staff are also so very helpful and supportive. I thank all of them for their quality of care they provide.

David A. • May 30, 2025

5 star service all around.

Kevin L. • May 22, 2025

Very pleasant visit. Dr Ntim very thorough and takes time to explain. I’m very at ease with him

Ramon P. • May 21, 2025

Dr. NTIM is the most caring and kind person. He is very knowledgeable and professional and answers all questions and spends time. He is the best Dr. I have ever seen!

Brooke C. • May 21, 2025

Fantastic practice , the Dr was very patience, office staff was cordial. Definitely will visit again

Fred O. • May 17, 2025

Very pleasant to talk to. Spent time with talking. Staff nice too

Antonio D. • May 16, 2025

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