Gregory Holzman, M.D.
NPI 1952504631 · Family Medicine Physician · East Lansing, MI
Gregory Holzman, M.D. is a Family Medicine Physician provider in East Lansing, MI (NPI 1952504631).
Provider details
- NPI number
- 1952504631
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301088951 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
Mailing address
Registry dates
- Enumerated
- 2007-06-08
- Last updated
- 2009-12-08
Frequently asked questions
- What is Gregory Holzman's NPI number?
- Gregory Holzman's National Provider Identifier (NPI) is 1952504631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Holzman's specialty?
- Gregory Holzman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Holzman located?
- Gregory Holzman's practice location on file with NPPES is 138 Service Rd Ste A142, East Lansing, MI 48824.
- What is Gregory Holzman's phone number?
- The practice phone number listed in the NPPES registry for Gregory Holzman is (517) 353-3050.
- Is Gregory Holzman's NPI active?
- Yes — Gregory Holzman's NPI (1952504631) is active in the NPPES registry as of the last update on 2009-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.