Mark R. Gundersen, MD
Family Medicine Physician · Fergus Falls, MN
Mark R. Gundersen, MD is a family medicine physician with a practice address in Fergus Falls, Minnesota, and NPI 1952390106, issued on Oct 20, 2005. Check the license (Minnesota 35677, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Mark R. Gundersen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 35677 MN
4301069187 MI
Self-reported in NPPES; status is on the state search - Practice location
- 712 South Cascade Street, Fergus Falls, MN 56537
- Phone
- (218) 736-8000
- Enumerated
- Oct 20, 2005
- Record last updated
- Oct 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (218) 739-6742
- Medicaid ID
- 4540600 MI
- Medicare enrollment
- Enrolled (PECOS I20081007000057); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1989
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 712 South Cascade Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark R. Gundersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 35677Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,276 Medicare Part D claims for 384 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 163 claims were for opioids.
Most prescribed
- Levothyroxine Sodium346 claims
- Atorvastatin Calcium312 claims
- Lisinopril257 claims
- Metformin Hcl257 claims
- Omeprazole244 claims
- Simvastatin236 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
- Avera MckennanWorthington, MN
- Rural Health Care IncWorthington, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark R. Gundersen among 3,985 family medicine physician records in Minnesota
Mark R. Gundersen, MD is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% 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, 88% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1989 · median 2006 among the 2,483 with a school on file
- Record last updated2019 · 63% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 family medicine physician records list a practice address in Fergus Falls
They are 18 of the 656 NPPES records with a practice address in Fergus Falls, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Fergus Falls → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lonnie Berger, M.D.Fergus Falls, MN 565371063491751
- Wesley Borowski, MDFergus Falls, MN 565371841210259
- Matthew Ecker, CNPFergus Falls, MN 565371578100806
- David Ellison, MDFergus Falls, MN 565371366420242
- Tyler Lacey, M.D.Fergus Falls, MN 565371255866877
- Daniel Lembcke, M.D.Fergus Falls, MN 565371215044334
- Patricia Lindholm, MDFergus Falls, MN 565371356449227
- Eric Lokken, MDFergus Falls, MN 565371972570935
Common questions
What is Mark R. Gundersen, MD's NPI number?
Mark R. Gundersen, MD's National Provider Identifier (NPI) is 1952390106, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Gundersen, MD located?
The NPPES record lists a practice address at 712 South Cascade Street, Fergus Falls, MN, 56537. Phone: (218) 736-8000. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Gundersen, MD's license?
NPPES lists Minnesota license number 35677, 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 Mark R. Gundersen, MD prescribe under Medicare Part D?
In 2024, Mark R. Gundersen, MD had 7,276 Medicare Part D claims for 384 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.