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PACIFIC INTERNAL MEDICINE ASSOCIATES
NPI 1821100298
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Francisco, CA

Active since August 31, 2006CLIA 05D0857362 · Waiver
2100 WEBSTER ST, STE. 423, SAN FRANCISCO, CA 94115(415) 923-3878(415) 563-4687 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Pacific Internal Medicine Associates NPPES

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

PACIFIC INTERNAL MEDICINE ASSOCIATES (NPI 1821100298) is a healthcare organization registered as an endocrinology, diabetes & metabolism in San Francisco, California and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists Damian Augustyn, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1821100298
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NamePACIFIC INTERNAL MEDICINE ASSOCIATES
Location Address2100 WEBSTER ST, STE. 423San Francisco, CA 94115-2373
Mailing Address2100 Webster St, Ste. 423San Francisco, CA 94115-2373 · (415) 923-3878 · Fax (415) 563-4687
Phone(415) 923-3878
Fax(415) 563-4687
Organization SubpartNo
Authorized OfficialDamian AugustynManaging Partner · (415) 923-3580
Enumeration DateAugust 31, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1821100298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X

Other Identifiers 1

MedicaidGR0022990CA

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 MULTIPLE SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0857362

Pacific Internal Medicine Associates · San Francisco, CA
Active · expires Aug 31, 2026
CLIA Number05D0857362
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorMay Yen Yau
Laboratory Phone(415) 923-3050
Laboratory LocationPacific Internal Medicine Associates2100 Webster St Ste 423, San Francisco, CA 94115
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

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

JACK C ROSE
Psychiatry & Neurology (Neurology)
2100 WEBSTER ST, 4TH FLOOR
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-5760
RUSSELL D WOO M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2100 WEBSTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3004
DR. STAFFORD J DUHN DDS
Dentist (General Practice)
2100 WEBSTER ST, SUITE 325
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3034
DR. RICKI POLLYCOVE M.D., M.H.S.
Obstetrics & Gynecology (Gynecology)
2100 WEBSTER ST, STE. 508
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3390
OLGA HIDCHENKO NP
Clinical Nurse Specialist (Women's Health)
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3123
DR. DAVID R MINOR MD
Internal Medicine (Medical Oncology)
2100 WEBSTER ST, #326
SAN FRANCISCO, CA 94115
San Francisco County (415) 885-8600
DR. PEDRO JOSE RUIZ M.D., PH.D.
Internal Medicine (Rheumatology)
2100 WEBSTER ST, SUITE 112
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3060
JONATHAN KAPLAN MD INC
Plastic Surgery
2100 WEBSTER ST, SUITE 429
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3005

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 Pacific Internal Medicine Associates's NPI number?

The NPI number for Pacific Internal Medicine Associates is 1821100298. It was assigned to this organization in the NPPES registry on August 31, 2006.

Where is Pacific Internal Medicine Associates located?

Pacific Internal Medicine Associates is located at 2100 Webster St Ste. 423, San Francisco, CA 94115. The listed phone number is (415) 923-3878.

What is Pacific Internal Medicine Associates's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Does Pacific Internal Medicine Associates hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0857362) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Pacific Internal Medicine Associates was last updated on September 11, 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.