Robert M Ostrowski Jr., PA-C

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

MA053453 Issued in PA

Practice address

1 Embarcadero Ctr Ste 1900
San Francisco, CA 94111-3723

Phone

(888) 663-6331

Fax

(415) 252-7176

NPI assigned

Jul 23, 2008

Last updated

Apr 24, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: robert.ostrowski@direct.einstein.edu

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Advanced Specialty Physicians Group

  • Orthopaedic Surgery Physician
  • Bristol, PA
  • NPI 1891960134
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1216771200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745452800000",
    "number": "1417112103",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044238",
            "telephone_number": "215-349-8310"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "489 5th Ave Fl 3",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100176145",
            "country_code": "US",
            "telephone_number": "212-440-0658",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3400 Spruce St",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191044238",
            "country_code": "US",
            "telephone_number": "215-349-8310",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSTROWSKI",
        "first_name": "ROBERT",
        "middle_name": "M",
        "name_suffix": "Jr.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-07-23",
        "last_updated": "2025-04-24",
        "certification_date": "2025-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "TX",
            "license": "PA18156",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "PA",
            "license": "MA053453",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Valerie Marie Ostrosky, LPCC, LPC
• Tamara Ostrovsky, RRT LAC
• Yelena Ostrovsky, DDS
• Daniel R Ostrow, MSW
• Janene Ostrow, P.T.
• Stephen W Ostwald, D.D.S.
• Dean Masao Osumi, DEAN OSUMI, DDS
• Helen Osuna
• Leslie Monique Osuna
• Holly Oswald, PSY.D.

• Medical Physician Assistant in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Medical Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.