NPIMap

Individual provider Active NPI

Farhan Shamim Choudhury, DO

  • Internal Medicine Physician
  • Emeryville, CA
National Provider Identifier
1659011641
Registry record updated Oct 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
20A23888 Issued in CA
Practice address
6121 Hollis St
Emeryville, CA 94608-2077
Phone
(510) 266-5400
NPI assigned
Mar 30, 2022
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 13, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 20A23888 CA Primary

Addresses

Primary practice location

6121 Hollis St
Emeryville, CA 94608-2077

Mailing address

6121 Hollis St Ste 400
Emeryville, CA 94608-2077
Phone (510) 266-5400

Other practice location 1

1000 Medical Center Blvd
Lawrenceville, GA 30046-7694
Phone (678) 312-1000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250827005152 CA Practitioner - Internal Medicine 8426439795 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University Healthcare AllianceGroup PAC ID 6305748799, 334 clinicians

Practice addresses (Care Compare)

6121 Hollis St
Suite 400
Emeryville, CA 94608-2077
Phone (650) 723-6855

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A23888CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Healthcare Alliance Internal Medicine CurrentSince Aug 12, 2025 Accepting new patients
Stanford Health Care Internal Medicine CurrentSince Aug 12, 2025 Accepting new patients
Stanford Health Care CurrentSince Aug 12, 2025 Accepting new patients
Affinity Medical Group Past Accepting new patients

Locations

50 E Hamilton Ave
Ste 280
Campbell, CA 95008
Phone (408) 227-2646

6121 Hollis St
Emeryville, CA 94608
Phone (510) 266-5400

6121 Hollis St
Ste 400
Emeryville, CA 94608
Phone (510) 266-5400

1300 Crane St
Menlo Park, CA 94025
Phone (510) 785-5000

4725 1st St
Ste 100
Pleasanton, CA 94566
Phone (925) 462-7060

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

Interoperability endpoints

  • Direct secure messaging: fchoudhury543715@direct.stanfordhealthcare.org

Organizations & group practices 4

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 9

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": "1648598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760313600000",
    "number": "1659011641",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6121 HOLLIS ST STE 400",
            "city": "EMERYVILLE",
            "state": "CA",
            "postal_code": "946082077",
            "telephone_number": "510-266-5400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6121 HOLLIS ST",
            "city": "EMERYVILLE",
            "state": "CA",
            "postal_code": "946082077",
            "telephone_number": "510-266-5400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Medical Center Blvd",
            "address_purpose": "LOCATION",
            "city": "Lawrenceville",
            "state": "GA",
            "postal_code": "300467694",
            "country_code": "US",
            "telephone_number": "678-312-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHOUDHURY",
        "first_name": "FARHAN",
        "middle_name": "SHAMIM",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-03-30",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A23888",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Emeryville, CA

Sources for this page

Verify at the official NPI Registry.