Peter Bryan Ahn, MD
Family Medicine Physician · Cedar Rapids, IA
Peter Bryan Ahn, MD is a family medicine physician with a practice address in Cedar Rapids, Iowa, and NPI 1063416394, issued on Jun 1, 2005. Check the license (Iowa 35286, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Peter Bryan Ahn
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 35286 IA
Self-reported in NPPES; status is on the state search - Practice location
- 9255 Atlantic Dr SW, Cedar Rapids, IA 52404
- Phone
- (319) 396-2000
- Enumerated
- Jun 1, 2005
- Record last updated
- Oct 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (319) 396-5567
- Medicare enrollment
- Enrolled (PECOS I20040324001694); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 9255 Atlantic Dr SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yang Ahn, MDFamily Medicine Physician1083617385
- Lisa Conkling, R.PHPharmacist1760428189
- John Donatelli, M.D.Family Medicine Physician1487619789
- Laura Rega, MDFamily Medicine Physician1336142637
- Stephanie Vogeler, PA-CMedical Physician Assistant1952304255
Verify Peter Bryan Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 35286Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average family medicine physician in 2024
6,030 Medicare Part D claims for 431 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 123 claims were for opioids.
Most prescribed
- Atorvastatin Calcium685 claims
- Levothyroxine Sodium289 claims
- Lisinopril284 claims
- Omeprazole256 claims
- Losartan Potassium246 claims
- Amlodipine Besylate190 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.
Bills Medicare through one group practice
- Mercy Physician Associates IncHiawatha, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Bryan Ahn among 2,336 family medicine physician records in Iowa
Peter Bryan Ahn, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2001 · median 2006 among the 1,367 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
97 family medicine physician records list a practice address in Cedar Rapids
They are 97 of the 2,949 NPPES records with a practice address in Cedar Rapids, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Cedar Rapids → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Yang Ahn, MDCedar Rapids, IA 524041083617385
- Kristen Barnette, MDCedar Rapids, IA 524041134180276
- Casey Boyles, MDCedar Rapids, IA 524041669459921
- John Donatelli, M.D.Cedar Rapids, IA 524041487619789
- Timothy Ishmael, MDCedar Rapids, IA 524041902856198
- Colleen Keating, MDCedar Rapids, IA 524041295701373
- Joseph Kennedy, DOCedar Rapids, IA 524041427019561
- John Klein, M.D.Cedar Rapids, IA 524041184684854
Common questions
What is Peter Bryan Ahn, MD's NPI number?
Peter Bryan Ahn, MD's National Provider Identifier (NPI) is 1063416394, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Peter Bryan Ahn, MD located?
The NPPES record lists a practice address at 9255 Atlantic Dr SW, Cedar Rapids, IA, 52404. Phone: (319) 396-2000. Providers update this record themselves, so call before visiting.
How can I verify Peter Bryan Ahn, MD's license?
NPPES lists Iowa license number 35286, 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 Peter Bryan Ahn, MD prescribe under Medicare Part D?
In 2024, Peter Bryan Ahn, MD had 6,030 Medicare Part D claims for 431 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.