Registry data as of Aug 27, 2026

Martin Karp, DO

Family Medicine Physician · Warren, MI

Martin Karp, DO is a family medicine physician with a practice address in Warren, Michigan, and NPI 1750549580, issued on May 29, 2008. Check the license (Michigan MK005003, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1750549580
Name
Martin Karp
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MK005003 MI
Self-reported in NPPES; status is on the state search
Practice location
21647 Ryan RD, Warren, MI 48091
Phone
(586) 757-4200
Enumerated
May 29, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 21647 Ryan RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kevin Agrest, DOFamily Medicine Physician1386625606
  2. Jeffrey Kraft, DOFamily Medicine Physician1346221785
  3. Shardul Pandya, RPTSpecialist1326219312
  4. Chad Schwalb, D.P.M.Student in an Organized Health Care Education/Training Program1629456546
  5. Jeffrey Schwalb, DPMFoot & Ankle Surgery Podiatrist1962410589

Verify Martin Karp in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license MK005003
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

100% fewer Medicare Part D claims than the average family medicine physician in 2024

14 Medicare Part D claims, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. Martin Karp14
  2. Specialty average3,519

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.

63 family medicine physician records list a Warren practice address

They are 63 of the 2,799 NPPES records with a Warren practice address, and 5,783 family medicine physician records in Michigan.

Other family medicine physician records in Michigan

  1. Asma AbbasHamtramck, MI1982946463
  2. Saadia Abbas, MDChesterfield, MI1619136868
  3. Faezeh AbbasiMonroe, MI1144065921
  4. Layla Abbasi, MDWayne, MI1346177607
  5. Marisa Abbo, DORochester Hills, MI1184605388
  6. Cathleen Abbott, M.D.East Lansing, MI1275630501
  7. Leah Abbott, MDGwinn, MI1760987341
  8. Nina Abboud, DORochester Hills, MI1639750557
  9. Ryan Abboud, DOBingham Farms, MI1104353077
  10. Christina Abd, MDSterling Heights, MI1770371965

Common questions

What is Martin Karp, DO's NPI number?

Martin Karp, DO's National Provider Identifier (NPI) is 1750549580, issued on May 29, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Martin Karp, DO located?

The NPPES record lists a practice address at 21647 Ryan RD, Warren, MI, 48091. Phone: (586) 757-4200. Providers update this record themselves, so call before visiting.

How can I verify Martin Karp, DO's license?

NPPES lists Michigan license number MK005003, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Martin Karp, DO prescribe under Medicare Part D?

In 2024, Martin Karp, DO had 14 Medicare Part D claims; the average among family medicine physician prescribers was 3,519. 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.