Individual provider Active NPI

Andrew W. Bollen, MD

  • Neuropathology Physician
  • San Francisco, CA
National Provider Identifier
1629036470
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neuropathology PhysicianTaxonomy code 207ZN0500X
License
G59408 Issued in CA
Practice address
513 Parnassus Ave
San Francisco, CA 94143-2205
Phone
(415) 476-5236
Fax
(415) 476-7963
NPI assigned
May 2, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neuropathology Physician 207ZN0500X G59408 CA Primary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X G59408 CA

Addresses

Primary practice location

513 Parnassus Ave
San Francisco, CA 94143-2205

Mailing address

1635 Divisadero Street, Suite 625, Box 1821
San Francisco, CA 94143-0001
Phone (415) 476-4029

Other identifiers 1

IdentifierTypeStateIssuer
0G5940800MedicaidCA

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
I20080313000384 CA Practitioner - Pathology 0143305227 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
University of California, Davis School of Medicine, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2330 Post St
San Francisco, CA 94115-3465
Phone (415) 476-4029

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.89 of 100Reported as group
Quality
81.13
Improvement activities
40
Cost
71.5

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
59408CAMDPediatric Dentist
G59408CAMDAnatomic Pathology & Clinical Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco Current Accepting new patients
University of California San Francisco Past Accepting new patients

Locations

1600 Divisadero St
San Francisco, CA 94143
Phone (415) 353-7175

1635 Divisadero St
Ste 625
San Francisco, CA 94115
Phone (415) 476-1977

505 Parnassus Ave
#M553
San Francisco, CA 94143

Interoperability endpoints

  • Direct secure messaging: abollen15060@direct-ucsfmedicalcenter.org

Organizations & group practices 2

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1146528000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1629036470",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 DIVISADERO STREET, SUITE 625, BOX 1821",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-476-4029",
            "fax_number": "415-476-4150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "513 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432205",
            "telephone_number": "415-476-5236",
            "fax_number": "415-476-7963"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BOLLEN",
        "first_name": "ANDREW",
        "middle_name": "W.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZN0500X",
            "taxonomy_group": "",
            "desc": "Pathology, Neuropathology",
            "state": "CA",
            "license": "G59408",
            "primary": true
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "CA",
            "license": "G59408",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0G5940800",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.