Shannon M Lyon, RPA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA63373 Issued in CA

Practice address

2 Embarcadero Ctr
San Francisco, CA 94111-3823

Phone

(888) 663-6331

NPI assigned

Aug 5, 2006

Last updated

Sep 22, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ruby Medical PCGroup PAC ID 0446753297, 6 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: shannon.lyon.1@17222.direct.athenahealth.com

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.

• Ruby Medical PC

  • Internal Medicine Physician
  • New York, NY
  • NPI 1144103821
  Medicare reassignment Care Compare group
• Clifton Springs Sanitarium Co

  dba Clifton Springs Hospital and Clinic

  • General Acute Care Hospital
  • Clifton Springs, NY
  • NPI 1366505463
  Medicare reassignment
• Rochester General Hospital

  dba Rochester General Medical Groups

  • Family Medicine Physician
  • Rochester, NY
  • NPI 1356412712
  Medicare reassignment
• Wellnow Urgent Care, PC

  dba WellNow Urgent Care

  • Urgent Care Clinic/Center
  • Liverpool, NY
  • NPI 1669825162
  Medicare reassignment
• Western New York Medical Practice P.C.

  • Family Medicine Physician
  • Rochester, NY
  • NPI 1063790608
  Medicare reassignment
• Rochester General Hospital

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1255360517
  NPD
• Planned Parenthood of Greater New York Inc

  • Ambulatory Family Planning Facility
  • Brooklyn, NY
  • NPI 1417959701
  NPD (past)
• Planned Parenthood of the Southern Finger Lakes Inc.

  • Ambulatory Family Planning Facility
  • Ithaca, NY
  • NPI 1881761484
  NPD (past)

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

{
    "created_epoch": "1154736000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790035200000",
    "number": "1700895141",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 EMBARCADERO CTR",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113823",
            "telephone_number": "888-663-6331"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "530 Lytton Ave Fl 2",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943011541",
            "country_code": "US",
            "telephone_number": "415-663-5584",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LYON",
        "first_name": "SHANNON",
        "middle_name": "M",
        "credential": "RPA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-08-05",
        "last_updated": "2026-09-22",
        "certification_date": "2026-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA63373",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "011268",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lyon-Martin Community Health Services
• Alexis Suzanne Lyon
• Anne Herbert Lyon, M.D.
• Ariadne A Lyon, PHD
• Nicholas P Lyon
• Tami Jo Lyon, RD
• Zoe Mark Lyon, MD
• Catherine Anne Lyons, RN, ANP
• Daniel Lyons, MD, PHD
• Diana Uilani Lyons

• Physician Assistant in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 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.