John Michael Peitersen, MD
Internal Medicine Physician · Waconia, MN
John Michael Peitersen, MD is an internal medicine physician with a practice address in Waconia, Minnesota, and NPI 1295858223, issued on Apr 6, 2007. Check the license (Minnesota 47749, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- John Michael Peitersen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 47749 MN
Self-reported in NPPES; status is on the state search - Practice location
- 424 W State Highway 5, Waconia, MN 55387
- Phone
- (952) 442-4461
- Enumerated
- Apr 6, 2007
- Record last updated
- Jun 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070607000260); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2004
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Also registered at 424 W State Highway 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Michael Peitersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 47749Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
166 Medicare Part D claims for 72 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis14 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 affiliation
- Ridgeview Medical CenterWaconia, MN · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Michael Peitersen among 2,632 internal medicine physician records in Minnesota
John Michael Peitersen, MD is one of 2,632 internal medicine physician records with a practice address in Minnesota. 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 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 52% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2004 · median 2008 among the 1,700 with a school on file
- Record last updated2012 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 internal medicine physician records list a practice address in Waconia
They are 17 of the 598 NPPES records with a practice address in Waconia, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Waconia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jessica Baitani, MDWaconia, MN 553871285800466
- Paul Brown, M.D.Waconia, MN 553871073690327
- Anne Christiansen, MDWaconia, MN 553871104406891
- Henry Dvorak, MDWaconia, MN 553871255330247
- Todd Holcomb, M.D.Waconia, MN 553871184703951
- Benjamin Krehbiel, DOWaconia, MN 553871316408289
- Tara McMichael, MDWaconia, MN 553871134368160
- Robert Needham, M.D.Waconia, MN 553871689753345
Common questions
What is John Michael Peitersen, MD's NPI number?
John Michael Peitersen, MD's National Provider Identifier (NPI) is 1295858223, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Peitersen, MD located?
The NPPES record lists a practice address at 424 W State Highway 5, Waconia, MN, 55387. Phone: (952) 442-4461. Providers update this record themselves, so call before visiting.
How can I verify John Michael Peitersen, MD's license?
NPPES lists Minnesota license number 47749, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Michael Peitersen, MD prescribe under Medicare Part D?
In 2024, John Michael Peitersen, MD had 166 Medicare Part D claims for 72 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.