Bryan Feyen, DO
Gastroenterology Physician · Ames, IA
Bryan Feyen, DO is a gastroenterology physician with a practice address in Ames, Iowa, and NPI 1811042310, issued on Jan 24, 2007. Check the license on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Bryan Feyen
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- Practice location
- 1215 Duff Avenue, Ames, IA 50010
- Phone
- (515) 239-4450
- Enumerated
- Jan 24, 2007
- Entity
- Type 1 · individual
Also registered at 1215 Duff Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Austin Bancroft, DOOtolaryngology Physician1699937045
- Shauna Basener, DOInternal Medicine Physician1902060759
- Renald Bernard, M.D.Family Medicine Physician1992792907
- Susan Burham, CNMMidwife1942254958
- Kristy Calland, DOStudent in an Organized Health Care Education/Training Program1588939631
- Arthur Chen, MDOtolaryngology Physician1598970220
Verify Bryan Feyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
33% more Medicare Part D claims than the average gastroenterology physician in 2024
1,128 Medicare Part D claims for 492 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Peg 3350-Electrolyte284 claims
- Ondansetron Odt194 claims
- Omeprazole134 claims
- Ondansetron Hcl83 claims
- Pantoprazole Sodium57 claims
- Gavilyte-N44 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.
One hospital or facility affiliation
- Avera MckennanSioux Falls, SD
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gastroenterology Physician providers in Iowa
There are 84 gastroenterology physician records in Iowa.
Other gastroenterology physician records in Iowa
- Tyler Aasen, D.O.West Des Moines, IA1740690205
- Abdillahi Abdinoor, MDClive, IA1336377043
- Barakat Aburajab Altamimi, M.D.Cedar Rapids, IA1225444862
- Amol Agarwal, MDClive, IA1043604473
- Naurang Agrawal, MDIowa City, IA1083661771
- Bhavya Akhauri, M.D.Cedar Rapids, IA1639332745
- Taha Ashraf, M.DWaterloo, IA1881181451
- Songul Atay, MDFairfield, IA1124119185
- Ottar Bergmann, M.D.Iowa City, IA1942419965
- Caryn Berkowitz, MDIowa City, IA1780625301
Common questions
What is Bryan Feyen, DO's NPI number?
Bryan Feyen, DO's National Provider Identifier (NPI) is 1811042310, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Bryan Feyen, DO located?
The NPPES record lists a practice address at 1215 Duff Avenue, Ames, IA, 50010. Phone: (515) 239-4450. Providers update this record themselves, so call before visiting.
How can I verify Bryan Feyen, DO's license?
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 Bryan Feyen, DO prescribe under Medicare Part D?
In 2024, Bryan Feyen, DO had 1,128 Medicare Part D claims for 492 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.