Martin Matthews, MD
NPI 1659448801 · Anatomic Pathology & Clinical Pathology Physician · Marquette, MI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Matthews, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Marquette, MI (NPI 1659448801).
Provider details
- NPI number
- 1659448801
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301049454 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 420 W Magnetic StMarquette, MI 49855-2711Phone: (906) 228-9440
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2019-06-12
Frequently asked questions
- What is Martin Matthews's NPI number?
- Martin Matthews's National Provider Identifier (NPI) is 1659448801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Matthews's specialty?
- Martin Matthews is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Matthews located?
- Martin Matthews's practice location on file with NPPES is 850 W Baraga Ave, Marquette, MI 49855-4550.
- What is Martin Matthews's phone number?
- The practice phone number listed in the NPPES registry for Martin Matthews is (906) 449-3000.
- Does Martin Matthews accept Medicare?
- Martin Matthews is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Matthews's NPI active?
- Yes — Martin Matthews's NPI (1659448801) is active in the NPPES registry as of the last update on 2019-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.