Erin Lee Peterson, MD
Internal Medicine Physician · Fergus Falls, MN
Erin Lee Peterson, MD is an internal medicine physician with a practice address in Fergus Falls, Minnesota, and NPI 1235367848, issued on Jun 23, 2009. Check the license (Minnesota 21940, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Erin Lee Peterson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21940 MN
Self-reported in NPPES; status is on the state search - Practice location
- 712 S Cascade St, Fergus Falls, MN 56537
- Phone
- (218) 736-8000
- Enumerated
- Jun 23, 2009
- Record last updated
- Feb 16, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (218) 739-6718
- Medicare enrollment
- Enrolled (PECOS I20121019000308); may accept Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2009
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Also registered at 712 S Cascade St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lonnie Berger, M.D.Family Medicine Physician1063491751
- Jonah Bergstrand, PA-CFamily Medicine Physician1952181307
- Rebecca Boesl, DNPFamily Nurse Practitioner1043661044
Verify Erin Lee Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 21940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,111 Medicare Part D claims for 487 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 126 claims were for opioids.
Most prescribed
- Levothyroxine Sodium438 claims
- Lisinopril434 claims
- Omeprazole389 claims
- Losartan Potassium372 claims
- Rosuvastatin Calcium335 claims
- Metoprolol Succinate329 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $138.26
2 payments; by number, the most common kind was food and beverage; the largest payer was PolyNovo North America LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Erin Lee Peterson among 2,632 internal medicine physician records in Minnesota
Erin Lee Peterson, 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 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2009 · median 2008 among the 1,700 with a school on file
- Record last updated2017 · 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).
10 internal medicine physician records list a practice address in Fergus Falls
They are 10 of the 656 NPPES records with a practice address in Fergus Falls, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Fergus Falls → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Bjork, M.D.Fergus Falls, MN 565371366470601
- Dillon BoenFergus Falls, MN 565371811798093
- Andre Genereux, M.D.Fergus Falls, MN 565371932581220
- Joellen Kohlman-Petrick, MDFergus Falls, MN 565371114985454
- Jack Lubka, MDFergus Falls, MN 565371275038606
- Bruce Money, MDFergus Falls, MN 565371801995501
- Jacqueline Ona, M.D.Fergus Falls, MN 565371174622294
- Scott Samson, MDFergus Falls, MN 565371588764476
Common questions
What is Erin Lee Peterson, MD's NPI number?
Erin Lee Peterson, MD's National Provider Identifier (NPI) is 1235367848, issued on Jun 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Erin Lee Peterson, MD located?
The NPPES record lists a practice address at 712 S Cascade St, Fergus Falls, MN, 56537. Phone: (218) 736-8000. Providers update this record themselves, so call before visiting.
How can I verify Erin Lee Peterson, MD's license?
NPPES lists Minnesota license number 21940, 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 Erin Lee Peterson, MD prescribe under Medicare Part D?
In 2024, Erin Lee Peterson, MD had 9,111 Medicare Part D claims for 487 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Erin Lee Peterson, MD's MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.