OrganizationActive
Midmichigan Geriatric Services PLLC
NPI 1770819344 · Geriatric Medicine (Family Medicine) Physician · Saginaw, MI
Provider details
- NPI number
- 1770819344
- Entity type
- Organization
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marjorie Renfrow, Owner(989) 980-1587
- License
- 4301079633 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
4823 Henry Dr
Saginaw, MI 48638-5631
Phone: (989) 980-1587
Street-level locationGet directions
Mailing address
3061 Christy Way
Saginaw, MI 48603-2267
Registry dates
- Enumerated
- 2009-11-02
- Last updated
- 2009-11-02
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.