Doctor profile · Federal record

Dr. Garrett Fleming, D.O.

Surgery Physician (CMS: General Surgery) · Dubuque, IA

  • NPI 1255606430
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1000 Langworthy St
Dubuque, IA 520017313
(563) 584-3450
fax (563) 584-3171
Additional location
101 E Miller RD
Sterling, IL 610811252
(815) 625-4790
Mailing address
123 Hospital Dr, Ste 2000
Watertown, WI 530983320

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Profile last updated
September 20, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Iowa #DO-05037

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255606430. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
369
Distinct HCPCS
10
Medicare allowed
$43,319
HCPCS Description Services Patients Avg allowed
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery 59 59 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 48 37 $85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 47 47 $87
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 43 43 $226
99212 Established patient office or other outpatient visit, 10-19 minutes 32 14 $53
99214 Established patient office or other outpatient visit, 30-39 minutes 31 25 $120
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $105
99204 New patient office or other outpatient visit, 45-59 minutes 27 27 $157
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 15 11 $46
45378 Diagnostic exam of large bowel using a flexible endoscope 13 13 $156

In context: peer comparison

Among 8 peers in this city , average services per provider: 38. This provider delivers 9.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$368
Transactions
21
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 17 $251.37
ABIOMED 2 $83.37
Pacira Pharmaceuticals Incorporated 1 $18.94
PolyNovo North America LLC 1 $14.52

By nature of payment

Food and Beverage
$368

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
172
Patients
71
Total drug cost
$2,688
Drug Type Claims Patients Total cost
Omeprazole Generic 84 29 $904
Pantoprazole Sodium Generic 28 0 $617
Ondansetron Odt (Ondansetron) Brand 16 16 $107
Sucralfate Generic 16 13 $924
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 13 $74
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 14 0 $62

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Garrett Fleming's medical specialty?
Dr. Garrett Fleming practices Surgery Physician in Dubuque, IA.
Where does Dr. Garrett Fleming practice?
Dr. Garrett Fleming practices at 1000 Langworthy St, Dubuque, IA 520017313. Office phone: 5635843450.
What is Dr. Garrett Fleming's NPI?
Dr. Garrett Fleming's National Provider Identifier (NPI) is 1255606430, issued by NPPES.
Does Dr. Garrett Fleming accept Medicare assignment?
Yes. Dr. Garrett Fleming accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garrett Fleming commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery (HCPCS 45384); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.