Garrett William Fleming, D.O.
Surgery Physician · Dubuque, IA
Garrett William Fleming, D.O. is a surgery physician with a practice address in Dubuque, Iowa, and NPI 1255606430, issued on Mar 20, 2012. Check the license (Iowa DO-05037, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Garrett William Fleming
- Credential
- D.O.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- DO-05037 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Langworthy St, Dubuque, IA 52001
- Phone
- (563) 584-3450
- Enumerated
- Mar 20, 2012
- Record last updated
- Sep 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (563) 584-3171
- Medicare enrollment
- Enrolled (PECOS I20190314001349); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2012
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 437 in Iowa → Look up another NPI →
Also registered at 1000 Langworthy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Louis Alt, M.D.Otolaryngology Physician1902855778
- Courtney Ambrosy, PA-CPhysician Assistant1457121345
- Sarah ArnoldMedical Physician Assistant1558016113
- Paula Aston, MDNeurology Physician1144286675
- Kala Ave-Lallemant, FNPFamily Nurse Practitioner1235551656
- Martin Bagby, DOFamily Medicine Physician1942269402
Verify Garrett William Fleming in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license DO-05037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average surgery physician in 2024
213 Medicare Part D claims for 80 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Omeprazole62 claims
- Pantoprazole Sodium28 claims
- Ondansetron Odt21 claims
- Oxycodone-Acetaminophen20 claims
- Hydrocodone-Acetaminophen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $368.20
21 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Watertown Physician Practices LLCWatertown, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Garrett William Fleming among 437 surgery physician records in Iowa
Garrett William Fleming, D.O. is one of 437 surgery physician records with a practice address in Iowa. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 54% of them.
- NPI issued2012 · 54% of these records are older, 44% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2012 · median 2005 among the 218 with a school on file
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Iowa
There are 437 surgery physician records in Iowa.
All 437 in Iowa → Every provider in Dubuque → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Phillip Bailey, M.D.Dubuque, IA 520011063858553
- Ahmad El-Hattab, MDDubuque, IA 520011548644933
- Joseph Fuller, M.D.Dubuque, IA 520011053362194
- Garrett Mortensen, MDDubuque, IA 520011518233428
- Edmond O'Neill, M.D.Dubuque, IA 520011952355273
- Bruce Obbink, M.D.Dubuque, IA 520011669424644
- David Oppert, MDDubuque, IA 520011548240948
- Roger Ott, M.D.Dubuque, IA 520011316991672
Common questions
What is Garrett William Fleming, D.O.'s NPI number?
Garrett William Fleming, D.O.'s National Provider Identifier (NPI) is 1255606430, issued on Mar 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Garrett William Fleming, D.O. located?
The NPPES record lists a practice address at 1000 Langworthy St, Dubuque, IA, 52001. Phone: (563) 584-3450. Providers update this record themselves, so call before visiting.
How can I verify Garrett William Fleming, D.O.'s license?
NPPES lists Iowa license number DO-05037, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Garrett William Fleming, D.O. prescribe under Medicare Part D?
In 2024, Garrett William Fleming, D.O. had 213 Medicare Part D claims for 80 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Garrett William Fleming, D.O.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.