Gerald Grim, MD
NPI 1881709301 · Family Medicine Physician · Mosinee, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Grim, MD is a Family Medicine Physician provider in Mosinee, WI (NPI 1881709301).
Provider details
- NPI number
- 1881709301
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21258 (WI)
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
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
- 2006-08-21
- Last updated
- 2022-11-17
Frequently asked questions
- What is Gerald Grim's NPI number?
- Gerald Grim's National Provider Identifier (NPI) is 1881709301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Grim's specialty?
- Gerald Grim is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Grim located?
- Gerald Grim's practice location on file with NPPES is 390 Orbiting Dr, Mosinee, WI 54455.
- What is Gerald Grim's phone number?
- The practice phone number listed in the NPPES registry for Gerald Grim is (715) 693-9100.
- Does Gerald Grim accept Medicare?
- Gerald Grim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Grim's NPI active?
- Yes — Gerald Grim's NPI (1881709301) is active in the NPPES registry as of the last update on 2022-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.