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Individual provider Active NPI

Ellena Popova, MD

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1891371563
Registry record updated Sep 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A188787 Issued in CA
Practice address
2100 Webster St Ste 516
San Francisco, CA 94115-2381
Phone
(415) 600-2402
NPI assigned
Mar 22, 2021
Last updated
Sep 4, 2026By the provider in NPPES
Sex
Unspecified or another gender identity
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 4, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction Medicine (Internal Medicine) Physician 207RA0401X A188787 CA
Internal Medicine Physician 207R00000X A188787 CA Primary

Addresses

Primary practice location

2100 Webster St Ste 516
San Francisco, CA 94115-2381

Mailing address

PO Box 743749
Los Angeles, CA 90074-3749

Other practice location 1

1001 Potrero Ave. Bldg. 5 Fl. 1, #1M
San Francisco, CA 94110-3518
Phone (628) 206-8495

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
I20240804000069 CA Practitioner - Internal Medicine 4587045257 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Perelman School of Med at the University of Pennsylvania, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
City and County of San FranciscoGroup PAC ID 1658280748, 368 clinicians

Practice addresses (Care Compare)

1001 Potrero Ave
San Francisco, CA 94110-3518
Phone (415) 206-2305

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.28 of 100Reported as group
Quality
89.92
Promoting interoperability
100
Improvement activities
40
Cost
78.23

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A188787CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California SFGH Medical Group CurrentSince Jul 10, 2024 Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
University of California SFGH Medical Group Internal Medicine CurrentSince Jul 10, 2024 Accepting new patients
City and County of San Francisco CurrentSince Jul 15, 2024 Accepting new patients
City & County of San Francisco CurrentSince Jul 15, 2024 Accepting new patients
City & County of San Francisco Current Accepting new patients

Locations

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753

1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774

Organizations & group practices 6

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.

Hospital & facility affiliations 2

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": "1616371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1891371563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 743749",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900743749"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2100 WEBSTER ST STE 516",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941152381",
            "telephone_number": "415-600-2402"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1001 Potrero Ave. Bldg. 5 Fl. 1, #1M",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941103518",
            "country_code": "US",
            "telephone_number": "628-206-8495",
            "fax_number": "628-206-3012",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "POPOVA",
        "first_name": "ELLENA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "X",
        "enumeration_date": "2021-03-22",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0401X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": "CA",
            "license": "A188787",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A188787",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.