Donald Hillman, D.O.
NPI 1811942097 · Family Medicine Physician · Williamston, MI
Donald Hillman, D.O. is a Family Medicine Physician provider in Williamston, MI (NPI 1811942097).
Provider details
- NPI number
- 1811942097
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- DH007694 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-05-24
- Last updated
- 2022-07-21
Frequently asked questions
- What is Donald Hillman's NPI number?
- Donald Hillman's National Provider Identifier (NPI) is 1811942097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Hillman's specialty?
- Donald Hillman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Hillman located?
- Donald Hillman's practice location on file with NPPES is 839 S Putnam St, Williamston, MI 48895-1623.
- What is Donald Hillman's phone number?
- The practice phone number listed in the NPPES registry for Donald Hillman is (517) 655-3515.
- Is Donald Hillman's NPI active?
- Yes — Donald Hillman's NPI (1811942097) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.