John Muir Physicians PC
NPI 1235606823 · Internal Medicine Physician · Orinda, CA
John Muir Physicians PC is a Internal Medicine Physician organization in Orinda, CA (NPI 1235606823).
Provider details
- NPI number
- 1235606823
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andre Westin, Owner(415) 990-0242
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
7 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
- 2018-11-01
- Last updated
- 2018-11-14
Frequently asked questions
- What is John Muir Physicians PC's NPI number?
- John Muir Physicians PC's National Provider Identifier (NPI) is 1235606823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Muir Physicians PC?
- John Muir Physicians PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Muir Physicians PC located?
- John Muir Physicians PC's practice location on file with NPPES is 11 Altarinda Rd, Orinda, CA 94563-2602.
- What is John Muir Physicians PC's phone number?
- The practice phone number listed in the NPPES registry for John Muir Physicians PC is (925) 243-7744.
- Who is the authorized official for John Muir Physicians PC?
- The authorized official listed on John Muir Physicians PC's NPPES record is Andre Westin, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Muir Physicians PC's NPI active?
- Yes — John Muir Physicians PC's NPI (1235606823) is active in the NPPES registry as of the last update on 2018-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.