Individual provider Active NPI

Philip Pauerstein

  • Pediatric Hematology & Oncology Physician
  • San Francisco, CA
National Provider Identifier
1437680923
Registry record updated Jul 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X
License
A161141 Issued in CA
Practice address
550 16TH St
San Francisco, CA 94158-2604
Phone
(415) 476-2188
NPI assigned
Mar 25, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X A161141 CA
Pediatric Hematology & Oncology Physician 2080P0207X A161141 CA Primary

Addresses

Primary practice location

550 16TH St
San Francisco, CA 94158-2604

Mailing address

550 16TH St
San Francisco, CA 94158-2545

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200519002661 CA Practitioner - Pediatric Medicine 8325371172 Reassigns benefits to 4 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A161141CAMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services CurrentSince Jun 15, 2020 Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 15, 2020 Accepting new patients
University of California SFGH Medical Group CurrentSince Jul 1, 2020 Accepting new patients
University of California San Francisco CurrentSince Jun 15, 2020 Accepting new patients
University of California San Francisco Pediatrics Current Accepting new patients
UCSF Pediatrics Associates Pediatrics CurrentSince Jun 15, 2020 Accepting new patients
University of California SFGH Medical Group CurrentSince Jul 1, 2020 Accepting new patients
University of California San Francisco Pediatrics CurrentSince Jun 15, 2020 Accepting new patients

Locations

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774

550 16th St
San Francisco, CA 94158
Phone (415) 476-5001

550 16th St
#110
San Francisco, CA 94143
Phone (415) 476-5001

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

Interoperability endpoints

  • Direct secure messaging: ppauerstein86623@direct-ucsfmedicalcenter.org

Organizations & group practices 9

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

NPI Registry JSON

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

{
    "created_epoch": "1490400000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783728000000",
    "number": "1437680923",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 16TH ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941582545"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 16TH ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941582604",
            "telephone_number": "415-476-2188"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PAUERSTEIN",
        "first_name": "PHILIP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-25",
        "last_updated": "2026-07-11",
        "certification_date": "2026-07-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A161141",
            "primary": false
        },
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "CA",
            "license": "A161141",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.