Maren E. Peterson
Internal Medicine Physician · Plymouth, MN
Maren E. Peterson is an internal medicine physician with a practice address in Plymouth, Minnesota, and NPI 1881678969, issued on Dec 2, 2005. Check the license (Minnesota 37203, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Maren E. Peterson
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 37203 MN
Self-reported in NPPES; status is on the state search - Practice location
- 4155 County Road 101 N, Plymouth, MN 55446
- Phone
- (952) 993-8900
- Enumerated
- Dec 2, 2005
- Record last updated
- Mar 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100416000578); accepts Medicare assignment
- Medical or professional school
- Mayo Medical School, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Also registered at 4155 County Road 101 N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maren E. Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 37203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,758 Medicare Part D claims for 614 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 122 claims were for opioids.
Most prescribed
- Atorvastatin Calcium617 claims
- Amlodipine Besylate537 claims
- Levothyroxine Sodium518 claims
- Losartan Potassium391 claims
- Omeprazole333 claims
- Lisinopril321 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 2 group practices
- Key CorporationSaint Paul, MN
- Park Nicollet ClinicMinnetonka, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maren E. Peterson among 2,632 internal medicine physician records in Minnesota
Maren E. Peterson 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1993 · median 2008 among the 1,700 with a school on file
- Record last updated2021 · 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).
19 internal medicine physician records list a practice address in Plymouth
They are 19 of the 1,500 NPPES records with a practice address in Plymouth, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Plymouth → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sally Engebretson, DOPlymouth, MN 554461316900590
- Wanda Ethen, MDPlymouth, MN 554461154365393
- Mary MileyPlymouth, MN 554471518944693
- Stephanie Norris, M.D.Plymouth, MN 554471093782716
- Ashwini Arumugam, MDBrooklyn Park, MN 554431770110116
- Mary Erickson, MDBrooklyn Park, MN 554431962881235
- Tajudeen Fawole, M. D.Brooklyn Park, MN 554431801991005
- Mary McMillan, MDBlaine, MN 554491861451221
Common questions
What is Maren E. Peterson's NPI number?
Maren E. Peterson's National Provider Identifier (NPI) is 1881678969, issued on Dec 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Maren E. Peterson located?
The NPPES record lists a practice address at 4155 County Road 101 N, Plymouth, MN, 55446. Phone: (952) 993-8900. Providers update this record themselves, so call before visiting.
How can I verify Maren E. Peterson's license?
NPPES lists Minnesota license number 37203, 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 Maren E. Peterson prescribe under Medicare Part D?
In 2024, Maren E. Peterson had 7,758 Medicare Part D claims for 614 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.