Individual provider Active NPI

Peggy B.K. Leung, M.D.

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1548688518
Registry record updated Jul 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
C210357 Issued in CA
Practice address
1545 Divisadero St
San Francisco, CA 94143-3400
Phone
(415) 353-7900
NPI assigned
Apr 7, 2014
Last updated
Jul 31, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 31, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X C210357 CA Primary
Internal Medicine Physician 207R00000X 289404 NY

Addresses

Primary practice location

1545 Divisadero St
San Francisco, CA 94143-3400

Mailing address

505 E 70TH St
New York, NY 10021-4872

Other practice location 1

36-11 21st street
Long Island City, NY 11106-4505
Phone (718) 482-7772

Other practice location 2

505 E 70th St
New York, NY 10021-4872
Phone (212) 746-2942

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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
I20170829002212 NY Practitioner - Internal Medicine 9234402199 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Weill Medical College of CornellGroup PAC ID 6800709023, shared by 46 NPIs, 2,023 clinicians

Practice addresses (Care Compare)

505 E 70TH St
New York, NY 10021-4872
Phone (212) 746-2917

525 E 68TH St
New York, NY 10065-4870
Phone (646) 962-3376

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
289404NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Weill Medical College of Cornell Internal Medicine Current Accepting new patients
Weill Medical College of Cornell CurrentSince Jul 19, 2017 Accepting new patients
Weill Medical College of Cornell CurrentSince Jul 19, 2017 Accepting new patients
Weill Medical College of Cornell Current Accepting new patients
Weill Medical College of Cornell Internal Medicine CurrentSince Jul 19, 2017 Accepting new patients
Weill Cornell University Medical College Past Accepting new patients

Locations

3611 21st St
Long Island City, NY 11106
Phone (718) 482-7488

1300 York Ave
New York, NY 10065
Phone (212) 746-2900

1305 York Ave
Fl 8
New York, NY 10021
Phone (646) 962-3176

505 E 70th St
New York, NY 10021
Phone (212) 746-2900

525 E 68th St
New York, NY 10065
Phone (212) 746-2846

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: pbl9001@direct.nyp.org

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 5

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": "1396828800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1548688518",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 E 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214872"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1545 DIVISADERO ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941433400",
            "telephone_number": "415-353-7900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "36-11 21st street",
            "address_purpose": "LOCATION",
            "city": "Long Island City",
            "state": "NY",
            "postal_code": "111064505",
            "country_code": "US",
            "telephone_number": "718-482-7772",
            "fax_number": "718-482-9648",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "505 E 70th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100214872",
            "country_code": "US",
            "telephone_number": "212-746-2942",
            "fax_number": "212-746-4610",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEUNG",
        "first_name": "PEGGY",
        "middle_name": "B.K.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-07",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C210357",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "289404",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.