Michael F Lyons II, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

MD23549 Issued in WA

Practice address

1112 6TH Ave
200
Tacoma, WA 98405-4040

Phone

(253) 272-8664

Fax

(253) 428-8136

NPI assigned

Dec 28, 2005

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 3

Medicare fee-for-service enrollment

Enrolled in ME

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/5664/brand/1/csg/1/fhir/r4
• FHIR API: https://fhir-usa.unify.chbase.com/org/penob-eadbba22
• Direct secure messaging: michael.lyons.1@5664.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 and National Provider Directory roles.

• Penobscot Valley Hospital

  • Critical Access Hospital
  • Lincoln, ME
  • NPI 1093716086
  Medicare reassignment NPD
• Penobscot Valley Hospital

  • Medicare Defined Swing Bed Hospital Unit
  • Lincoln, ME
  • NPI 1700805868
  NPD

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

{
    "created_epoch": "1135728000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1497732689",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1112 6TH AVE",
            "address_2": "200",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984054040",
            "telephone_number": "253-272-8664",
            "fax_number": "253-428-8136"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1112 6TH AVE",
            "address_2": "200",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984054040",
            "telephone_number": "253-272-8664",
            "fax_number": "253-428-8136"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LYONS",
        "first_name": "MICHAEL",
        "middle_name": "F",
        "name_suffix": "II",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WA",
            "license": "MD23549",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "REGENCE",
            "identifier": "LY2347",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LABOR & INDUSTRIES",
            "identifier": "77667",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8123978",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Isaak Lyons
• Julie Lyons
• Marissa A Lyons, B.S.
• Matthew Lyons, PT, DPT, OCS, CSCS
• Meg Lynn Lyons, MD
• Trevor Lyons
• Veronica Lyons
• Melinda M. Lysen, LMHC
• Kevin Michael Lyter, D.C.
• Amanda Lyyski

• Gastroenterology Physician in Tacoma, WA
• Providers in Tacoma, WA by specialty
• Gastroenterology Physician in Washington

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.