Grant K. Gillish D.D.S., P.L.L.C.
NPI 1801319025 · Dentist · Whitehall, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant K. Gillish D.D.S., P.L.L.C. is a Dentist organization in Whitehall, MI (NPI 1801319025).
Provider details
- NPI number
- 1801319025
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- Grant Gillish, Owner/Dentist(231) 893-2915
- License
- 2901020310 (MI)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
Other names (DBA / former)
- Doing business as
- White Lake Family Dentistry
Registry dates
- Enumerated
- 2017-07-19
- Last updated
- 2022-07-21
- Certified
- 2020-07-23
Frequently asked questions
- What is Grant K. Gillish D.D.S., P.L.L.C.'s NPI number?
- Grant K. Gillish D.D.S., P.L.L.C.'s National Provider Identifier (NPI) is 1801319025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grant K. Gillish D.D.S., P.L.L.C.?
- Grant K. Gillish D.D.S., P.L.L.C. is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Grant K. Gillish D.D.S., P.L.L.C. located?
- Grant K. Gillish D.D.S., P.L.L.C.'s practice location on file with NPPES is 116 W Colby St Ste 1, Whitehall, MI 49461-1084.
- What is Grant K. Gillish D.D.S., P.L.L.C.'s phone number?
- The practice phone number listed in the NPPES registry for Grant K. Gillish D.D.S., P.L.L.C. is (231) 893-2915.
- Does Grant K. Gillish D.D.S., P.L.L.C. accept Medicare?
- Grant K. Gillish D.D.S., P.L.L.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grant K. Gillish D.D.S., P.L.L.C.?
- The authorized official listed on Grant K. Gillish D.D.S., P.L.L.C.'s NPPES record is Grant Gillish, Owner/Dentist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grant K. Gillish D.D.S., P.L.L.C.'s NPI active?
- Yes — Grant K. Gillish D.D.S., P.L.L.C.'s NPI (1801319025) 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.