Steven Neema Seyedin, M.D.

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

A169076 Issued in CA

Practice address

1825 4TH St RM L1101
San Francisco, CA 94143-2350

Phone

(415) 353-7175

NPI assigned

Mar 25, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

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

University of California, Geffen School of Medicine, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

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

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• UCSF Medical Center Hospital, San Francisco, CA, CCN 050454
• Zuckerberg San Francisco General Hosp & Trauma Ctr Hospital, San Francisco, CA, CCN 050228
• Enloe Health Hospital, Chico, CA, CCN 050039

Merit-based Incentive Payment System (MIPS)

Final score

84.89 of 100Reported as group

Quality

81.13

Improvement activities

40

Cost

71.5

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as apm

Quality

83.7

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sseyedin361277@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
• Regents of the University of Claifornia Univ Neursciences

  • Neurology Physician
  • Orange, CA
  • NPI 1205884210
  Medicare reassignment NPD
• UC Regents Department of Radiation Oncology

  • Radiation Oncology Physician
  • Orange, CA
  • NPI 1386692473
  Medicare reassignment 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 Irvine

  • Infusion Therapy Clinic/Center
  • Irvine, CA
  • NPI 1417027475
  NPD (past)
• University of California Irvine

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  NPD (past)
• 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)

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

• City & County of San Francisco

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1083648810
  Care Compare affiliation
• City & County of San Francisco

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1164609962
  Care Compare affiliation
• Enloe Medical Center

  • General Acute Care Hospital
  • Chico, CA
  • NPI 1417901091
  Care Compare affiliation
• 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": "1427241600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743724800000",
    "number": "1134513450",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1825 4TH ST RM L1101",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432350",
            "telephone_number": "415-353-7175"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1825 4TH ST RM L1101",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432350",
            "telephone_number": "415-353-7175"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 Hawkins Dr",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522421009",
            "country_code": "US",
            "telephone_number": "319-356-1530",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 The City Dr S Bldg 23",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928683201",
            "country_code": "US",
            "telephone_number": "714-456-8091",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEYEDIN",
        "first_name": "STEVEN",
        "middle_name": "NEEMA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-25",
        "last_updated": "2025-04-04",
        "certification_date": "2025-04-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "CA",
            "license": "A169076",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Monet Roshaan Sexauer, L.AC, DIPL OM
• Flora Sexton
• Katherine Elizabeth Sexton, MS, MD
• Mark C. Sexton, PH.D.
• Theresa Emily Sexton, DO
• Haley Seyle, NP
• Mitchelle Seymore
• Donald W Seymour, MD
• Jeanine Seymour
• SF Bay Pediatrics

• 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 Apr 4, 2025; 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.