Dr. William J Grimm, Apc
NPI 1285389171 · Internal Medicine Physician · Palm Springs, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr. William J Grimm, Apc is a Internal Medicine Physician organization in Palm Springs, CA (NPI 1285389171).
Provider details
- NPI number
- 1285389171
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Grimm, President/Ceo(760) 766-7200
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- General Practice Physician208D00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- Holistic Primary Care
Registry dates
- Enumerated
- 2022-02-18
- Last updated
- 2022-11-07
- Certified
- 2022-11-07
Frequently asked questions
- What is Dr. William J Grimm, Apc's NPI number?
- Dr. William J Grimm, Apc's National Provider Identifier (NPI) is 1285389171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. William J Grimm, Apc?
- Dr. William J Grimm, Apc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dr. William J Grimm, Apc located?
- Dr. William J Grimm, Apc's practice location on file with NPPES is 1492 N Palm Canyon Dr, Palm Springs, CA 92262-4412.
- What is Dr. William J Grimm, Apc's phone number?
- The practice phone number listed in the NPPES registry for Dr. William J Grimm, Apc is (760) 766-7200.
- Does Dr. William J Grimm, Apc accept Medicare?
- Dr. William J Grimm, Apc 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 Dr. William J Grimm, Apc?
- The authorized official listed on Dr. William J Grimm, Apc's NPPES record is William Grimm, President/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. William J Grimm, Apc's NPI active?
- Yes — Dr. William J Grimm, Apc's NPI (1285389171) is active in the NPPES registry as of the last update on 2022-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.