Primary Diagnostics Medical Group of California P.C.
NPI 1639815863 · Internal Medicine Physician · San Francisco, CA
Primary Diagnostics Medical Group of California P.C. is a Internal Medicine Physician organization in San Francisco, CA (NPI 1639815863).
Provider details
- NPI number
- 1639815863
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andrew Kobylinski, Ceo(415) 746-9639
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Pulmonary Disease Physician207RP1001X
Allopathic & Osteopathic Physicians
- Pharmacy333600000X
Suppliers
- Community/Retail Pharmacy3336C0003X
Suppliers
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
2 documented practice locations
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)
- Other name
- Primary Diagnostics, Inc.
- Doing business as
- Primary.health Medical
Additional practice locations (1)
- 595 Pacific Ave Fl 4San Francisco, CA 94133-4685Phone: (855) 970-3223
Registry dates
- Enumerated
- 2022-05-10
- Last updated
- 2025-08-25
- Certified
- 2025-08-25
Frequently asked questions
- What is Primary Diagnostics Medical Group of California P.C.'s NPI number?
- Primary Diagnostics Medical Group of California P.C.'s National Provider Identifier (NPI) is 1639815863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Primary Diagnostics Medical Group of California P.C.?
- Primary Diagnostics Medical Group of California P.C. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Primary Diagnostics Medical Group of California P.C. located?
- Primary Diagnostics Medical Group of California P.C.'s practice location on file with NPPES is 99 Osgood Pl Ste 500, San Francisco, CA 94133-4629.
- What is Primary Diagnostics Medical Group of California P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Primary Diagnostics Medical Group of California P.C. is (415) 746-9639.
- Who is the authorized official for Primary Diagnostics Medical Group of California P.C.?
- The authorized official listed on Primary Diagnostics Medical Group of California P.C.'s NPPES record is Andrew Kobylinski, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Primary Diagnostics Medical Group of California P.C.'s NPI active?
- Yes — Primary Diagnostics Medical Group of California P.C.'s NPI (1639815863) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.