William Russell Ryan, M.D.

Primary specialty

Plastic Surgery within the Head & Neck (Otolaryngology) PhysicianTaxonomy code 207YX0007X

License

A97821 Issued in CA

Practice address

2340 Clay St FL 5
San Francisco, CA 94115-1932

Phone

(415) 600-3073

NPI assigned

Oct 1, 2007

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

Otolaryngology

Education

Stanford University School of Medicine, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047
• California Pacific Medical Ctr-Davies Campus Hosp Hospital, San Francisco, CA, CCN 050008
• UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

Merit-based Incentive Payment System (MIPS)

Final score

87.01 of 100Reported as group

Quality

86.78

Improvement activities

40

Cost

70.46

Merit-based Incentive Payment System (MIPS)

Final score

84.89 of 100Reported as group

Quality

81.13

Improvement activities

40

Cost

71.5

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment Care Compare group NPD
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104

  Otolaryngology

  Medicare reassignment NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment NPD
• University of California SFGH Medical Group

  • Otolaryngology Physician
  • San Francisco, CA
  • NPI 1154396208
  Medicare reassignment NPD
• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Sacramento, CA
  • NPI 1003267196
  NPD
• Sutter Bay Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  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 SFGH Medical Group

  • Vascular Surgery Physician
  • San Francisco, CA
  • NPI 1033913959
  NPD
• University of California SFGH Medical Group

  • Oral & Maxillofacial Surgery (D.M.D.)
  • San Francisco, CA
  • NPI 1760790398
  NPD
• Sutter East Bay Medical Foundation

  • Family Medicine Physician
  • Orinda, CA
  • NPI 1871538769
  NPD (past)

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

• Sutter Bay Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1659439834
  Care Compare affiliation
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1740348929
  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": "1191196800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1184811549",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2340 CLAY ST FL 5",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941151932",
            "telephone_number": "415-600-3073"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYAN",
        "first_name": "WILLIAM",
        "middle_name": "RUSSELL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-10-01",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207YX0007X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Plastic Surgery within the Head & Neck",
            "state": "CA",
            "license": "A97821",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Merle Ryan
• Sally Schneider Ryan, D.O.
• Sarah Caitlin Ryan, MD
• Susan M. Ryan, MD
• Terry Ryan
• William Shannon Ryan, B.A.
• Michelle Rybka
• Daniel Jude Rybold, MD
• Anessa Ryce
• Tyler E Rychlewski, PA-C

• Plastic Surgery within the Head & Neck (Otolaryngology) Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Plastic Surgery within the Head & Neck (Otolaryngology) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 2026; 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.