Individual provider Active NPI

Brian John Hamway, MD

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1437372273
Registry record updated Jan 18, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
G88412 Issued in CA
Practice address
36 Grattan St
San Francisco, CA 94117-4326
Phone
(415) 854-1575
Fax
(877) 992-3841
NPI assigned
Apr 10, 2007
Last updated
Jan 18, 2017By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 18, 2017

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X G88412 CA Primary
Internal Medicine Physician 207R00000X 203202 NY
Internal Medicine Physician 207R00000X 25MA07710200 NJ

Addresses

Primary practice location

36 Grattan St
San Francisco, CA 94117-4326

Mailing address

36 Grattan St
San Francisco, CA 94117-4326
Phone (415) 854-1575

Other names 1

  • Dr. Brian John Hamoui Former name

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
I20140618000203 CA Practitioner - Internal Medicine 8527282300 Practice locations: San Francisco, CA

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1993
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

36 Grattan St
San Francisco, CA 94117-4326
Phone (415) 854-1575

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
88412CAMDPharmacist
G88412CAMDInternal Medicine Physician
25MA07710200NJMDInternal Medicine Physician
203202NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Carbon Health Primary Care of California PC Internal Medicine PastSince Jul 20, 2025 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: bhamway223822@hisp.ehr.sutterhealth.org

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1176163200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1484697600000",
    "number": "1437372273",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "36 GRATTAN ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941174326",
            "telephone_number": "415-854-1575",
            "fax_number": "877-992-3841"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "36 GRATTAN ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941174326",
            "telephone_number": "415-854-1575",
            "fax_number": "877-992-3841"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMWAY",
        "first_name": "BRIAN",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-04-10",
        "last_updated": "2017-01-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G88412",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "203202",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA07710200",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "BRIAN",
            "last_name": "HAMOUI",
            "middle_name": "JOHN",
            "prefix": "DR.",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.