Mark A. Shanfeld, M.D.
Ophthalmology Physician · Bemidji, MN
Mark A. Shanfeld, M.D. is an ophthalmology physician with a practice address in Bemidji, Minnesota, and NPI 1710024435, issued on Jan 31, 2007. Check the license (Minnesota 36199, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Mark A. Shanfeld
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 36199 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1611 Anne St NW, Bemidji, MN 56601
- Phone
- (218) 333-2020
- Enumerated
- Jan 31, 2007
- Record last updated
- Nov 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 693363700 MN
- Medicare enrollment
- Enrolled (PECOS I20070710000318); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 434 in Minnesota → Look up another NPI →
Also registered at 1611 Anne St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tiffany AxtmanNurse Practitioner1699397042
- Bonnie Bailey, M.D.Family Medicine Physician1831137660
- Emmalee Bardwell, O.D.Optometrist1992483648
- Winston Craig Benson, MDFamily Medicine Physician1295753937
- William Bock, MDPediatrics Physician1295753994
- Musa Bolkent, M.D.,M.P.HPediatrics Physician1609256205
Verify Mark A. Shanfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 36199Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average ophthalmology physician in 2024
983 Medicare Part D claims for 172 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Latanoprost386 claims
- Timolol Maleate167 claims
- Dorzolamide-Timolol56 claims
- Brimonidine Tartrate51 claims
- Brinzolamide27 claims
- Lumigan27 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): 82.6 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).
Bills Medicare through one group practice
- Sanford Health OF Northern MinnesotaBemidji, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Shanfeld among 434 ophthalmology physician records in Minnesota
Mark A. Shanfeld, M.D. is one of 434 ophthalmology 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 56% of them.
- NPI issued2007 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1989 · median 2006 among the 282 with a school on file
- Record last updated2011 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Minnesota
There are 434 ophthalmology physician records in Minnesota.
All 434 in Minnesota → Every provider in Bemidji → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Mark Dwyer, MDBemidji, MN 566011962420505
- Tyler Junttila, MDBemidji, MN 566011447772991
- Ashley Lundin, M.D.Bemidji, MN 566011457649048
- Shelby Potkin, MDBemidji, MN 566011184184277
- Brian Schmidt, MDFergus Falls, MN 565371295835015
- Steven Thom, MDFergus Falls, MN 565371063434637
- Ronald Brockman, MDThief River Falls, MN 567011851498638
- Adam Ahlquist, M.D.Crosby, MN 564411215221189
Common questions
What is Mark A. Shanfeld, M.D.'s NPI number?
Mark A. Shanfeld, M.D.'s National Provider Identifier (NPI) is 1710024435, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Shanfeld, M.D. located?
The NPPES record lists a practice address at 1611 Anne St NW, Bemidji, MN, 56601. Phone: (218) 333-2020. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Shanfeld, M.D.'s license?
NPPES lists Minnesota license number 36199, 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 A. Shanfeld, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Shanfeld, M.D. had 983 Medicare Part D claims for 172 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Mark A. Shanfeld, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.6 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.