NPPES file of Aug 9, 2026

Marc Elwin Keen, M.D.

Anatomic Pathology & Clinical Pathology Physician · Ludington, MI

Marc Elwin Keen, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Ludington, Michigan, and NPI 1851362966, issued on Jan 27, 2006. Check the license (Michigan 4301057451, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851362966
Name
Marc Elwin Keen
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
4301057451 MI
Self-reported in NPPES; status is on the state search
Practice location
1 N Atkinson Dr, Ludington, MI 49431
Phone
(231) 845-2362
Enumerated
Jan 27, 2006
Record last updated
Jan 15, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(231) 845-2440
Medicaid ID
2773078 MI
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.
Download card Updates feed

8 nearest anatomic pathology & clinical pathology physician records → All 561 in Michigan → Look up another NPI →

Also registered at 1 N Atkinson Dr

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

  1. Amy Beeman, D.O.Internal Medicine Physician1891743837
  2. Dawn Clark Barber, D.O.Emergency Medical Services (Emergency Medicine) Physician1073527586
  3. Michelle Cranick-Kuster, D.O.Emergency Medical Services (Emergency Medicine) Physician1093869992
  4. Jorel Dickinson-Hendershot, CRNACertified Registered Nurse Anesthetist1376781005
  5. Karen Genson, R.D.Registered Dietitian1043374325
  6. Michael Greenslait, DOPain Medicine (Anesthesiology) Physician1982776498

Verify Marc Elwin Keen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301057451    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Marc Elwin Keen among 561 anatomic pathology & clinical pathology physician records in Michigan

Marc Elwin Keen, M.D. is one of 561 anatomic pathology & clinical pathology physician records with a practice address in Michigan. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 52% newer
  • In a Medicare fileNo · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2008 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Michigan

There are 561 anatomic pathology & clinical pathology physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 561 in Michigan → Every provider in Ludington → Anatomic Pathology & Clinical Pathology Physician nationwide →

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Matthew Carr, M.D.Holland, MI 494231710199021
  2. Edward Fody, M.D.Holland, MI 494231619950649
  3. Sarah Wilkins, MDHolland, MI 494231346477874
  4. Paul Lobert, MDMuskegon, MI 494411841381621
  5. Thomas Peeples, MDMuskegon, MI 494411720032774
  6. Bruce Reichardt, MDMuskegon, MI 494411578654356
  7. Peter Shireman, MDMuskegon, MI 494411740220052
  8. Chad Bertucci, M.D.Muskegon, MI 494441205155710

Common questions

What is Marc Elwin Keen, M.D.'s NPI number?

Marc Elwin Keen, M.D.'s National Provider Identifier (NPI) is 1851362966, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc Elwin Keen, M.D. located?

The NPPES record lists a practice address at 1 N Atkinson Dr, Ludington, MI, 49431. Phone: (231) 845-2362. Providers update this record themselves, so call before visiting.

How can I verify Marc Elwin Keen, M.D.'s license?

NPPES lists Michigan license number 4301057451, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.