Shannon Altazan, DO

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

34.015793 Issued in OH

Practice address

401 Matthew St
Marietta, OH 45750-1635

Phone

(740) 376-1939

Fax

(740) 374-1693

NPI assigned

Mar 20, 2018

Sex

Male

Sole proprietor

Yes

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.

• Marietta Memorial Hospital

  • Rural Health Clinic/Center
  • Woodsfield, OH
  • NPI 1962106328

  OH

  Medicare reassignment Care Compare group
• Columbiana Emergency Physicians LLC

  • Emergency Medicine Physician
  • Steubenville, OH
  • NPI 1336618628

  Emergency Medicine, OH

  Medicare reassignment NPD
• Epmg of Ohio Inc P a

  • Emergency Medicine Physician
  • Portsmouth, OH
  • NPI 1841232196

  Emergency Medicine, OH

  Medicare reassignment NPD
• Selby General Hospital

  • Critical Access Hospital
  • Marietta, OH
  • NPI 1124073465

  OH

  Medicare reassignment NPD
• Charleston Area Medical Center, Inc.

  • General Acute Care Hospital
  • Charleston, WV
  • NPI 1124248752

  WV

  Medicare reassignment NPD
• Greenbrier Emergency Services, Inc.

  • Emergency Medicine Physician
  • Gassaway, WV
  • NPI 1568401461

  Emergency Medicine, WV

  Medicare reassignment NPD
• Marietta Memorial Hospital of Tyler County Inc

  • Critical Access Hospital
  • Sistersville, WV
  • NPI 1811595192

  WV

  Medicare reassignment NPD
• MHC Physicians Inc

  • Internal Medicine Physician
  • Williamstown, WV
  • NPI 1073600219

  Emergency Medicine, WV

  Medicare reassignment NPD
• Reynolds Memorial Hospital, Inc

  • Emergency Medical Services (Emergency Medicine) Physician
  • Glen Dale, WV
  • NPI 1518068014

  WV

  Medicare reassignment NPD
• West Virginia Emergency Physicians, LLP

  • Emergency Medicine Physician
  • Morgantown, WV
  • NPI 1952776379

  Emergency Medicine, WV

  Medicare reassignment NPD
• Wetzel County Hospital, Inc.

  • Family Medicine Physician
  • New Martinsville, WV
  • NPI 1518590033

  Family Medicine, WV

  Medicare reassignment NPD
• Marietta Memorial Hospital

  • General Acute Care Hospital
  • Marietta, OH
  • NPI 1215936927

  Emergency Medicine

  Care Compare group NPD

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

• Marietta Memorial Hospital

  • General Acute Care Hospital
  • Marietta, OH
  • NPI 1215936927

  Hospital

  Care Compare affiliation
• Selby General Hospital

  • Critical Access Hospital
  • Marietta, OH
  • NPI 1124073465

  Hospital

  Care Compare affiliation
• Weirton Medical Center, Inc

  • General Acute Care Hospital
  • Weirton, WV
  • NPI 1619921947

  Hospital

  Care Compare affiliation

Specialty

Emergency Medicine

Education

William Carey University College of Osteopathic Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Marietta Memorial Hospital 387 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Marietta Memorial Hospital Hospital, Marietta, OH, CCN 360147
• Weirton Medical Center, Inc Hospital, Weirton, WV, CCN 510023
• Selby General Hospital Hospital, Marietta, OH, CCN 361319

Medicare fee-for-service enrollment

Enrolled in OH, WV2 enrollments

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 2

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: saltazan644016@direct.wvuhsdirect.com

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Feb 19, 2026.

{
    "created_epoch": "1521504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771459200000",
    "number": "1477057883",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1467 TORNES RD",
            "city": "LOWELL",
            "state": "OH",
            "postal_code": "457447187",
            "telephone_number": "225-802-2197"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 MATTHEW ST",
            "city": "MARIETTA",
            "state": "OH",
            "postal_code": "457501635",
            "telephone_number": "740-376-1939",
            "fax_number": "740-374-1693"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "224 Pike ST",
            "address_purpose": "LOCATION",
            "city": "Marietta",
            "state": "OH",
            "postal_code": "457503319",
            "country_code": "US",
            "telephone_number": "740-373-3960",
            "fax_number": "740-373-3965",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "800 Wheeling Ave",
            "address_purpose": "LOCATION",
            "city": "Glen Dale",
            "state": "WV",
            "postal_code": "260381660",
            "country_code": "US",
            "telephone_number": "304-843-3313",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1106 Colegate Dr",
            "address_purpose": "LOCATION",
            "city": "Marietta",
            "state": "OH",
            "postal_code": "457501323",
            "country_code": "US",
            "telephone_number": "740-568-2000",
            "fax_number": "740-568-2096",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "799 Farson St",
            "address_purpose": "LOCATION",
            "city": "Belpre",
            "state": "OH",
            "postal_code": "457141082",
            "country_code": "US",
            "telephone_number": "740-401-1157",
            "fax_number": "740-401-1155",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1006 Washington Blvd Ste G",
            "address_purpose": "LOCATION",
            "city": "Belpre",
            "state": "OH",
            "postal_code": "457144005",
            "country_code": "US",
            "telephone_number": "740-423-3240",
            "fax_number": "740-401-0440",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "206 Columbus Rd",
            "address_purpose": "LOCATION",
            "city": "Athens",
            "state": "OH",
            "postal_code": "457011316",
            "country_code": "US",
            "telephone_number": "740-885-4064",
            "fax_number": "740-885-4027",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALTAZAN",
        "first_name": "SHANNON",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-03-20",
        "last_updated": "2026-02-19",
        "certification_date": "2026-02-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OH",
            "license": "34.015793",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WV",
            "license": "3742",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OH",
            "license": "34.015793",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0485813",
            "state": "OH"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "emergency.providers@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "224 Pike ST",
            "city": "Marietta",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457503319",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "emergency.providers@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "206 Columbus Rd",
            "city": "Athens",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457011316",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "emergency.providers@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "1006 Washington Blvd Ste G",
            "city": "Belpre",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457144005",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "emergency.providers@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "799 Farson St",
            "city": "Belpre",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457141082",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "emergency.providers@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "800 Pike St Ste 2",
            "city": "Marietta",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457503507",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "emergency.providers@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "1106 Colegate Dr",
            "city": "Marietta",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457501323",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "emergency.providers@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "401 Matthew St",
            "city": "Marietta",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457501635",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Kia Marie Allen
• Corey Alley, MD
• Als Hannas House Inc
• Maxwell Alsbach, PA
• Hussein Alsharif, DMD
• Kimberly Ambrose, RDN
• America'S Home Health Care, LLC.
• American Home Health Care, Inc.
• Richard Ames
• Megan McKinzie Amos, CRNA

• All providers in Marietta, OH
• Emergency Medicine Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 19, 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.