Doctor profile · Federal record

Dr. Theresa Fynn, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Specialist · Saint Cloud, FL

  • NPI 1669639266
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3004 17Th St
Saint Cloud, FL 347696011
(407) 593-2910
fax (407) 593-2913

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
February 5, 2014
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Florida #ME109189

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669639266. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
960
Distinct HCPCS
8
Medicare allowed
$104,224
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 385 215 $124
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 330 34 $79
99204 New patient office or other outpatient visit, 45-59 minutes 68 68 $165
76536 Ultrasound scan of head and neck soft tissue 51 49 $107
99213 Established patient office or other outpatient visit, 20-29 minutes 44 42 $89
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 35 25 $34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 30 $173
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $217

In context: peer comparison

Among 2 peers in Saint Cloud Endocrinology, Diabetes & Metabolism Physician, average services per provider: 108. This provider delivers 8.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,260
Transactions
41
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 5 $269.04
Amgen INC. 4 $158.20
Tandem Diabetes Care, INC. 6 $120.51
Lilly USA, LLC 4 $82.67
Bayer Healthcare Pharmaceuticals INC. 4 $76.83
Renalytix Ai, INC. 3 $51.15
Novo Nordisk INC 3 $49.76
Sanofi-Aventis U.S. LLC 2 $43.69
Beta Bionics, INC. 2 $42.67
Novartis Pharmaceuticals Corporation 2 $41.06
Dexcom, INC. 1 $29.63
Esperion Therapeutics, INC. 2 $29.00
Insulet Corporation 1 $27.04
Neurocrine Biosciences, INC. 1 $26.47
Amphastar Pharmaceuticals, INC. 1 $24.22

By nature of payment

Food and Beverage
$1,260

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,276
Patients
878
Total drug cost
$1,870,660
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 374 149 $7,228
Trulicity (Dulaglutide) Brand 304 92 $482,221
Ozempic (Semaglutide) Brand 293 101 $417,235
Jardiance (Empagliflozin) Brand 196 77 $231,352
Metformin Hcl Generic 171 81 $1,764
Synthroid (Levothyroxine Sodium) Brand 119 39 $11,573
Metformin Hcl ER (Metformin Hcl) Brand 109 47 $2,076
Mounjaro (Tirzepatide) Brand 104 35 $183,179
Soliqua 100-33 (Insulin Glargine/Lixisenatide) Brand 102 43 $147,607
Vitamin D2 (Ergocalciferol (Vitamin D2)) Brand 100 36 $479

Frequently asked questions

Auto-generated from federal data
What is Dr. Theresa Fynn's medical specialty?
Dr. Theresa Fynn practices Endocrinology, Diabetes & Metabolism Physician in Saint Cloud, FL.
Where does Dr. Theresa Fynn practice?
Dr. Theresa Fynn practices at 3004 17Th St, Saint Cloud, FL 347696011. Office phone: 4075932910.
What is Dr. Theresa Fynn's NPI?
Dr. Theresa Fynn's National Provider Identifier (NPI) is 1669639266, issued by NPPES.
Does Dr. Theresa Fynn accept Medicare assignment?
Yes. Dr. Theresa Fynn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theresa Fynn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.