Mark Kenyon Belknap
Internal Medicine Physician · Ashland, WI
Mark Kenyon Belknap is an internal medicine physician with a practice address in Ashland, Wisconsin, and NPI 1164582938, issued on Dec 11, 2006. Check the license (Wisconsin 24356-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark Kenyon Belknap
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 24356-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1625 Maple LN, Ashland, WI 54806
- Phone
- (715) 685-7500
- Enumerated
- Dec 11, 2006
- Record last updated
- May 9, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 716436000 MN
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 1625 Maple LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Friedli, PA-CPhysician Assistant1508950593
- James Hamp, MDOtolaryngology Physician1740271071
- William Holzhaeuser, AUDAudiologist1003807322
- Aurelia Koziel-AndrzejewskaNeurology Physician1578593869
- Pamela Rutter, RN, CNPAdult Health Nurse Practitioner1366691396
- David SaarinenFamily Medicine Physician1013933795
Verify Mark Kenyon Belknap in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 24356-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
84 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Minocycline Hcl34 claims
- Sulfacetamide Sodium13 claims
- Betamethasone Diprop Augmented12 claims
- Metronidazole11 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.
Mark Kenyon Belknap among 2,078 internal medicine physician records in Wisconsin
Mark Kenyon Belknap is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2011 · 55% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 internal medicine physician records list a practice address in Ashland
They are 4 of the 366 NPPES records with a practice address in Ashland, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Ashland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Clair MorudAshland, WI 548061174699268
- Kim Ogle, MDAshland, WI 548061235324781
- Dennis ZahmAshland, WI 548061205865342
- Mark Fuller, MDBayfield, WI 548141124055561
- Thomas Looze, MDThorp, WI 547711679552988
- Katherine Winiarczyk, MDLadysmith, WI 548481841670726
- Zahid Hameed, MDLake Nebagamon, WI 548491508818469
- Steven Brown, M.D.Menomonie, WI 547511174571053
Common questions
What is Mark Kenyon Belknap's NPI number?
Mark Kenyon Belknap's National Provider Identifier (NPI) is 1164582938, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Kenyon Belknap located?
The NPPES record lists a practice address at 1625 Maple LN, Ashland, WI, 54806. Phone: (715) 685-7500. Providers update this record themselves, so call before visiting.
How can I verify Mark Kenyon Belknap's license?
NPPES lists Wisconsin license number 24356-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Kenyon Belknap prescribe under Medicare Part D?
In 2024, Mark Kenyon Belknap had 84 Medicare Part D claims; 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.