IndividualActive
Marc Keen, M.D.
NPI 1851362966 · Anatomic Pathology & Clinical Pathology Physician · Ludington, MI
Provider details
- NPI number
- 1851362966
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301057451 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1 N Atkinson Dr
Ludington, MI 49431-1906
Phone: (231) 845-2362
Fax: (231) 845-2440
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 306
Ludington, MI 49431-0306
Registry dates
- Enumerated
- 2006-01-27
- Last updated
- 2008-01-15
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.