Mark Belknap
Internal Medicine Physician · Ashland, WI
Mark 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 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
- Entity
- Type 1 · individual
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 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 2,785 among the 127,794 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.
5 internal medicine physician records list a Ashland practice address
They are 5 of the 366 NPPES records with a Ashland practice address, and 2,832 internal medicine physician records in Wisconsin.
All 5 in Ashland → All 2,832 in Wisconsin → Every provider in Ashland →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Noormuhammad Abbasakoor, M.D.Sheboygan, WI1558645895
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Kareem Abdelhadi, MDRice Lake, WI1841494432
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Mohamed Fouzi Abdul Hameed, M.D.Weston, WI1255590899
- Hamza Abdul Majeed, DOMilwaukee, WI1881013282
- Anas Abed, MDMadison, WI1659002566
- Sameem Abedin, MDMilwaukee, WI1063641157
- Vincent Abejuela, DOMilwaukee, WI1356928543
Common questions
What is Mark Belknap's NPI number?
Mark 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 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 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 Belknap prescribe under Medicare Part D?
In 2024, Mark Belknap had 84 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.