ROBERT M OSTROWSKI JR. PA-C
NPI 1417112103
Physician Assistant - Medical in San Francisco, CA

Q: What is Robert Ostrowski's NPI number?

The NPI number for Robert Ostrowski is 1417112103. It was assigned to this individual provider in the NPPES registry on July 23, 2008.

Q: What is Robert Ostrowski's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Robert Ostrowski was last updated on April 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since July 23, 2008PECOS Enrolled

1 EMBARCADERO CTR STE 1900, SAN FRANCISCO, CA 94111(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: April 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 15, 2025, Dec 23, 2019 (2 updates tracked since 2019).

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About Robert M Ostrowski Jr. Pa-c NPPES

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

ROBERT M OSTROWSKI JR. PA-C (NPI 1417112103) is an individual medical provider in San Francisco, California, licensed in Pennsylvania (MA053453) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1417112103

Entity TypeIndividualMale

Primary Taxonomy363AM0700X

Provider Legal NameROBERT M OSTROWSKI JR.Credential: PA-C

Location Address1 EMBARCADERO CTR STE 1900San Francisco, CA 94111-3723

Mailing Address3400 Spruce StPhiladelphia, PA 19104-4238 · (215) 349-8310

Phone(888) 663-6331

Fax(415) 252-7176

Sole ProprietorNo

Enumeration DateJuly 23, 2008

Last NPPES UpdateApril 24, 20252 updates tracked since enumeration

NPPES CertifiedApril 24, 2025

✔ NPI 1417112103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

Licenses✔ Licensed in PA · MA053453✔ Licensed in TX · PA18156

1 EMBARCADERO CTR STE 1900, San Francisco, CA 94111

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Secondary Practice Locations 2

Location 1489 5th Ave Fl 3New York, NY 10017-6145 · Phone (212) 440-0658

Location 23400 Spruce StPhiladelphia, PA 19104-4238 · Phone (215) 349-8310

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert M Ostrowski Jr. Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

ALAN JOHNSTONE FNP

Nurse Practitioner (Family)