Mary Uan-Sian Feng, M.D.

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

C143118 Issued in CA

Practice address

1825 4TH Street, L1101
San Francisco, CA 94143

Phone

(415) 502-7222

NPI assigned

Mar 27, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

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

Specialty

Radiation Oncology

Education

Washington University School of Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

UCSF Medical Group Business ServicesGroup PAC ID 3779497870, 1,533 clinicians

University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

Merit-based Incentive Payment System (MIPS)

Final score

84.89 of 100Reported as group

Quality

81.13

Improvement activities

40

Cost

71.5

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mfeng79234@direct-ucsfmedicalcenter.org

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.

• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  Medicare reassignment Care Compare group NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment Care Compare group NPD
• UCSF Medical Group Business Services

  • Health Service Clinic/Center
  • San Francisco, CA
  • NPI 1194115246
  NPD
• University of California San Francisco

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1164512851
  NPD
• University of California San Francisco

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD
• University of California San Francisco

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • San Francisco, CA
  • NPI 1992818256
  NPD (past)
• University of California San Francisco Medical Center

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1144325440
  NPD (past)
• Radiation Oncology Alliance

  • Radiation Oncology Physician
  • Lansing, MI
  • NPI 1477587061
  NPD (past)
• Regents of the University of Michigan

  • General Acute Care Hospital
  • Ann Arbor, MI
  • NPI 1003878539
  NPD (past)
• Regents of the University of Michigan

  • Radiation Oncology Physician
  • Ann Arbor, MI
  • NPI 1083648885
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• University of California, San Francisco

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1689772592
  Care Compare affiliation

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

{
    "created_epoch": "1174953600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1664236800000",
    "number": "1720106693",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1825 4TH STREET. M2260",
            "address_2": "BOX 4001",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94143",
            "telephone_number": "415-502-7222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1825 4TH STREET, L1101",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94143",
            "telephone_number": "415-502-7222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 East Medical Center Dr",
            "address_2": "B2 floor University Hospital Rm C490",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481095010",
            "country_code": "US",
            "telephone_number": "734-936-4300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FENG",
        "first_name": "MARY",
        "middle_name": "UAN-SIAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-03-27",
        "last_updated": "2022-09-27",
        "certification_date": "2022-09-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MI",
            "license": "4301079982",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MI",
            "license": "4301079982",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "CA",
            "license": "C143118",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elson Feng
• Fan En Feng
• Jing Feng
• Jingwen Feng
• Lily Feng, PHARMD
• Olivia Feng, DDS
• Richard Feng, M.D.
• Sandy Feng, MD
• Shirley Zijun Feng
• Sihan Feng, LICENSED ACUPUNCTURI

• Radiation Oncology Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Radiation Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 27, 2022; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.