Kenneth Grier MD Inc
NPI 1972109551 · Family Medicine Physician · Apple Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Grier MD Inc is a Family Medicine Physician organization in Apple Valley, CA (NPI 1972109551).
Provider details
- NPI number
- 1972109551
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Kenneth Grier, President(760) 475-9080
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
5 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
- 2020-12-08
- Last updated
- 2023-08-21
- Certified
- 2023-08-21
Frequently asked questions
- What is Kenneth Grier MD Inc's NPI number?
- Kenneth Grier MD Inc's National Provider Identifier (NPI) is 1972109551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kenneth Grier MD Inc?
- Kenneth Grier MD Inc is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Grier MD Inc located?
- Kenneth Grier MD Inc's practice location on file with NPPES is 18564 US Highway 18 Ste 101-102, Apple Valley, CA 92307-2312.
- What is Kenneth Grier MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Grier MD Inc is (760) 475-9080.
- Does Kenneth Grier MD Inc accept Medicare?
- Kenneth Grier MD Inc 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 Kenneth Grier MD Inc?
- The authorized official listed on Kenneth Grier MD Inc's NPPES record is Kenneth Grier, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kenneth Grier MD Inc's NPI active?
- Yes — Kenneth Grier MD Inc's NPI (1972109551) is active in the NPPES registry as of the last update on 2023-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.