Peter Nelson Rosen, APN
Family Medicine Physician · Waterloo, IA
Peter Nelson Rosen, APN is a family medicine physician with a practice address in Waterloo, Iowa, and NPI 1851795033, issued on Oct 16, 2014. Check the license (Iowa A114250, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Peter Nelson Rosen
- Credential
- APN
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A114250 IA
Self-reported in NPPES; status is on the state search - Practice location
- 315 E 5TH St Ste 202, Waterloo, IA 50703
- Phone
- (319) 209-4117
- Enumerated
- Oct 16, 2014
- Record last updated
- Mar 4, 2024
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 315 E 5TH St Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peter Nelson Rosen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license A114250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average family medicine physician in 2024
1,544 Medicare Part D claims for 204 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium112 claims
- Amlodipine Besylate74 claims
- Losartan Potassium59 claims
- Hydrochlorothiazide58 claims
- Lisinopril58 claims
- Levothyroxine Sodium57 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.
Peter Nelson Rosen among 2,336 family medicine physician records in Iowa
Peter Nelson Rosen, APN 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 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2024 · 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).
93 family medicine physician records list a practice address in Waterloo
They are 93 of the 1,512 NPPES records with a practice address in Waterloo, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Waterloo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sejla Cejvanovic, ARNPWaterloo, IA 507031023761764
- Gabriel Eljdid, DOWaterloo, IA 507031477082634
- Vicki Henderson, MDWaterloo, IA 507031740395722
- Mark Louviere, MDWaterloo, IA 507031003816984
- Amelia McConaghy, D.O.Waterloo, IA 507031588082556
- Jerry Nelson, MDWaterloo, IA 507031831197607
- Wahid Riad Zaky, M.D.Waterloo, IA 507031467663674
- Jeffrey Wilkins, D.O.Waterloo, IA 507031881680130
Common questions
What is Peter Nelson Rosen, APN's NPI number?
Peter Nelson Rosen, APN's National Provider Identifier (NPI) is 1851795033, issued on Oct 16, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Peter Nelson Rosen, APN located?
The NPPES record lists a practice address at 315 E 5TH St Ste 202, Waterloo, IA, 50703. Phone: (319) 209-4117. Providers update this record themselves, so call before visiting.
How can I verify Peter Nelson Rosen, APN's license?
NPPES lists Iowa license number A114250, 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 Nelson Rosen, APN prescribe under Medicare Part D?
In 2024, Peter Nelson Rosen, APN had 1,544 Medicare Part D claims for 204 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.