William J. Ruth, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD15249 Issued in ME

Practice address

50 Foden Rd Ste 3
South Portland, ME 04106-1718

Phone

(207) 523-8500

Fax

(207) 523-8591

NPI assigned

Oct 4, 2006

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 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

Specialty

Emergency Medicine

Education

Warren Alpert Medical School of Brown University, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Intermed PAGroup PAC ID 5092605261, 185 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: william.ruth@int.eclinicaldirectplus.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.

• Intermed, PA

  • Internal Medicine Physician
  • South Portland, ME
  • NPI 1467422733
  Medicare reassignment Care Compare group NPD
• Intermed, PA

  • Pediatrics Physician
  • South Portland, ME
  • NPI 1295607836
  NPD

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

{
    "created_epoch": "1159920000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772496000000",
    "number": "1306931340",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 GANNETT DR STE C",
            "city": "SOUTH PORTLAND",
            "state": "ME",
            "postal_code": "041065900",
            "telephone_number": "207-347-2947",
            "fax_number": "207-874-2317"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 FODEN RD STE 3",
            "city": "SOUTH PORTLAND",
            "state": "ME",
            "postal_code": "041061718",
            "telephone_number": "207-523-8500",
            "fax_number": "207-523-8591"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUTH",
        "first_name": "WILLIAM",
        "middle_name": "J.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-04",
        "last_updated": "2026-03-03",
        "certification_date": "2026-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ME",
            "license": "MD15249",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael Thomas Ruetty, D.D.S.
• Savannah Lee Ruhlin
• Kayla Caldwell Rusher, PA
• Joseph A Russo, O.D.
• Kristine Elizabeth Rustad, RN, BSN
• Katherine Rutherford, MD
• Frances Noland Ryan, LCSW
• Stephen Thomas Ryan, MD
• Joel A Sabean, MD
• Saco Bay Orthopaedic and Sports Physical Therapy, Inc

• Emergency Medicine Physician in South Portland, ME
• Providers in South Portland, ME by specialty
• Emergency Medicine Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 3, 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.