Individual provider Active NPI

Arpana R. Vidyarthi, MD

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1558328104
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A76671 Issued in CA
Practice address
400 Parnassus Ave
San Francisco, CA 94143-2202
Phone
(415) 353-2138
NPI assigned
Apr 27, 2006
Sex
Female
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 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A76671 CA Primary

Addresses

Primary practice location

400 Parnassus Ave
San Francisco, CA 94143-2202

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
0A7667100MedicaidCA

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
I20080216000113 CA Practitioner - HospitalistPractitioner - Internal Medicine 2769565514 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
University of Minnesota Medical School, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-4029

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
95
Improvement activities
40
Cost
80.65

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
A76671CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services Internal Medicine CurrentSince Jan 2, 2020 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jan 2, 2020 Accepting new patients
University of California San Francisco Current Accepting new patients
Cambridge Public Health Commission Past Accepting new patients
University of California San Francisco Past Accepting new patients
Regents of the University of California Past Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients

Locations

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

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

400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000

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

533 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-7192

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

Interoperability endpoints

  • Direct secure messaging: avidyarthi16266@direct-ucsfmedicalcenter.org

Organizations & group practices 8

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": "1146096000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1558328104",
    "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": "400 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432202",
            "telephone_number": "415-353-2138"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VIDYARTHI",
        "first_name": "ARPANA",
        "middle_name": "R.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A76671",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0A7667100",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.