PRIMARY DIAGNOSTICS MEDICAL GROUP OF CALIFORNIA P.C.
NPI 1639815863
Internal Medicine in San Francisco, CA

Active since May 10, 2022
99 OSGOOD PL STE 500, SAN FRANCISCO, CA 94133(415) 746-9639 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 28, 2022, May 16, 2022, May 10, 2022 (3 updates tracked since 2022).

About Primary Diagnostics Medical Group Of California P.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PRIMARY DIAGNOSTICS MEDICAL GROUP OF CALIFORNIA P.C. (NPI 1639815863), doing business as Primary.health Medical, is a healthcare organization registered as an internal medicine in San Francisco, California and active in the NPI registry since May 2022. The organization maintains a secondary practice location in San Francisco and lists Andrew Kobylinski, Ceo, as its authorized official.

NPPES Registry Identity

NPI1639815863
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePRIMARY DIAGNOSTICS MEDICAL GROUP OF CALIFORNIA P.C.
Location Address99 OSGOOD PL STE 500San Francisco, CA 94133-4629
Mailing Address595 Pacific Ave Fl 4San Francisco, CA 94133-4685 · (855) 970-3223
Organization SubpartNo
Authorized OfficialAndrew KobylinskiCeo · (415) 746-9639
Enumeration DateMay 10, 2022
Last NPPES UpdateAugust 25, 20253 updates tracked since enumeration
NPPES CertifiedAugust 25, 2025
NPI 1639815863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
Also ListedPharmacyTaxonomy 333600000X
Also ListedPharmacy · Community/Retail PharmacyTaxonomy 3336C0003X
99 OSGOOD PL STE 500, San Francisco, CA 94133

Other Names 2

Doing Business AsPrimary.health Medical
Other NamePrimary Diagnostics, Inc.

Secondary Practice Location 1

Location 1595 Pacific Ave Fl 4San Francisco, CA 94133-4685 · Phone (855) 970-3223

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
99 OSGOOD PL STE 500
SAN FRANCISCO, CA 94133
Internal Medicine
99 OSGOOD PL STE 500
SAN FRANCISCO, CA 94133
Internal Medicine
99 OSGOOD PL STE 500
SAN FRANCISCO, CA 94133

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Primary Diagnostics Medical Group Of California P.C.'s NPI number?

The NPI number for Primary Diagnostics Medical Group Of California P.C. is 1639815863. It was assigned to this organization in the NPPES registry on May 10, 2022. The provider is doing business as Primary.Health Medical. The provider is also known as Primary Diagnostics, Inc..

Where is Primary Diagnostics Medical Group Of California P.C. located?

Primary Diagnostics Medical Group Of California P.C. is located at 99 Osgood Pl Ste 500, San Francisco, CA 94133. The listed phone number is (415) 746-9639.

What is Primary Diagnostics Medical Group Of California P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Primary Diagnostics Medical Group Of California P.C. was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.