Alan B. Glassberg, M.D.

Primary specialty

Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X

License

C27145 Issued in CA

Practice address

1600 Divisadero St
San Francisco, CA 94115-3010

Phone

(415) 353-9888

Fax

(415) 353-7150

NPI assigned

Jun 25, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1151193600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1770519126",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 DIVISADERO STREET",
            "address_2": "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": "1600 DIVISADERO ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941153010",
            "telephone_number": "415-353-9888",
            "fax_number": "415-353-7150"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GLASSBERG",
        "first_name": "ALAN",
        "middle_name": "B.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C27145",
            "primary": false
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "CA",
            "license": "C27145",
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "C27145",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00C271450",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Joshua David Glasner, PH.D., CCC-SLP
• Phillip Glasper
• Graham A Glass, M.D.
• Hannah C. Glass, M.D.
• Jane Glass
• Natalie Glassburg
• Harvey William Glasser, M.D.
• Eric H Glassgold, M.D.
• Erin Alicia Glassman, LCSW
• Jerel H Glassman, D.O.

• Hematology (Internal Medicine) Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Hematology (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.