Mark Wayne Elkington, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

20887 Issued in OK

Practice address

130 A St SW
Miami, OK 74354-6806

Phone

(918) 542-1836

NPI assigned

Dec 13, 2006

Last updated

Oct 1, 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 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Vizion Health Oklahoma

  • Psychiatric Hospital
  • Miami, OK
  • NPI 1619342136
  NPD (past)
• Piney Ridge Treatment Center, LLC

  dba Yellow Rock Behavioral Health

  • Psychiatric Residential Treatment Facility
  • Springdale, AR
  • NPI 1447380423
  NPD (past)

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

{
    "created_epoch": "1165968000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790812800000",
    "number": "1790846582",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "130 A ST SW",
            "city": "MIAMI",
            "state": "OK",
            "postal_code": "743546806",
            "telephone_number": "918-542-1836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "130 A ST SW",
            "city": "MIAMI",
            "state": "OK",
            "postal_code": "743546806",
            "telephone_number": "918-542-1836"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ELKINGTON",
        "first_name": "MARK",
        "middle_name": "WAYNE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-13",
        "last_updated": "2026-10-01",
        "certification_date": "2026-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "OK",
            "license": "20887",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "AR",
            "license": "E-7032",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100207350B",
            "state": "OK"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Tamara Easey
• James Craig Eaton, D.O.
• Kory Lee Eden, BS
• Gary L Elam, DPH
• Robert Todd Elias
• Joseph Ellis
• Tracy D. Ellman, LCSW
• Amanda Jo Epperson, R.N.
• Ashley Nicole Evans, P.T.A.
• Eye Associates of Miami, Inc.

• Specialist in Miami, OK
• Providers in Miami, OK by specialty
• Specialist in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.