William J Lyons, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

G17266 Issued in CA

Practice address

2653 Elm Ave
Ste 300
Long Beach, CA 90806-1652

Phone

(562) 595-7335

Fax

(562) 427-3375

NPI assigned

Mar 24, 2006

Last updated

Jul 13, 2026By the provider in NPPES

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

Other identifiers 1

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

Merit-based Incentive Payment System (MIPS)

Final score

87.17 of 100Reported as group

Quality

81.15

Promoting interoperability

100

Improvement activities

40

Cost

71.64

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: william.lyons.p7@direct.scoa.nextgenshare.com
• Direct secure messaging: wlyonsmd18471@direct.memorialcare.org

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.

• Memorialcare Medical Foundation

  • Clinic/Center
  • Fountain Valley, CA
  • NPI 1205167350
  Medicare reassignment NPD
• Bristol Park Medical Group, Inc

  • Family Medicine Physician
  • Costa Mesa, CA
  • NPI 1043266760
  NPD (past)
• Oncology Hematology Consultants

  • Specialist
  • Huntington Beach, CA
  • NPI 1235202250
  NPD (past)

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

{
    "created_epoch": "1143158400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1639139595",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 ELM AVE",
            "address_2": "STE 301",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908061651",
            "telephone_number": "562-595-7335",
            "fax_number": "562-988-1655"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2653 ELM AVE",
            "address_2": "STE 300",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908061652",
            "telephone_number": "562-595-7335",
            "fax_number": "562-427-3375"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LYONS",
        "first_name": "WILLIAM",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-24",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "G17266",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0029650",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lynott Chiropractic Inc
• Lynott Chiropractic, Inc (Lynott Chiropractic & Acupuncture)
• Nathanial Frederick Lynott, D.C., L.AC
• Gary C Lyon, DDS
• Lindsay Lyon, MBA, MA, AMFT, APCC
• Susan Lytle
• M. Jay Jazayeri M.D., Inc.
• Alice Ma
• Allison Janelle Ma, DPM
• Andrew Richard Ma, MD

• Specialist in Long Beach, CA
• Providers in Long Beach, CA by specialty
• Specialist in California

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