Mark Anthony Clay, M.D.

Primary specialty

Pediatric Critical Care Medicine PhysicianTaxonomy code 2080P0203X

License

351496 Issued in LA

Practice address

1514 Jefferson Hwy
Jefferson, LA 70121-2451

Phone

(770) 289-7336

Fax

(615) 468-4520

NPI assigned

Jan 4, 2007

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Enrolled in GA, TX2 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 Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mclay20457@direct.vumc.org

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.

• Pediatric Cardiac Intensivists of North Texas PLLC

  • Pediatric Cardiology Physician
  • Dallas, TX
  • NPI 1427298264

  Pediatrics

  Medicare reassignment NPD
• Union County Hospital Authority

  • General Acute Care Hospital
  • Blairsville, GA
  • NPI 1487684122
  Medicare reassignment NPD
• Tift Regional Health System Inc

  • Pediatrics Physician
  • Tifton, GA
  • NPI 1366765166

  Internal Medicine

  NPD
• Tift Regional Health System Inc

  • Ophthalmology Physician
  • Tifton, GA
  • NPI 1790280857
  NPD
• Union County Hospital Authority

  • Otolaryngology Physician
  • Blairsville, GA
  • NPI 1669923744
  NPD
• Childrens Healthcare of Atlanta Cardiology Inc

  • Pediatric Cardiology Physician
  • Atlanta, GA
  • NPI 1235148727
  NPD (past)
• Columbia Hospital at Medical City Dallas Subsidiary LP

  • General Acute Care Hospital
  • Dallas, TX
  • NPI 1689628984
  NPD (past)
• Wendy L Smith M.D. PC

  • Otolaryngology Physician
  • Blairsville, GA
  • NPI 1184880338
  NPD (past)

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

{
    "created_epoch": "1167868800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1417004136",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1514 JEFFERSON HWY",
            "city": "JEFFERSON",
            "state": "LA",
            "postal_code": "701212451",
            "telephone_number": "770-289-7336",
            "fax_number": "615-468-4520"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1514 JEFFERSON HWY",
            "city": "JEFFERSON",
            "state": "LA",
            "postal_code": "701212451",
            "telephone_number": "770-289-7336",
            "fax_number": "615-468-4520"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7777 Forest Ln Ste C300J",
            "address_purpose": "LOCATION",
            "city": "Dallas",
            "state": "TX",
            "postal_code": "752302604",
            "country_code": "US",
            "telephone_number": "972-566-2043",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CLAY",
        "first_name": "MARK",
        "middle_name": "ANTHONY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-04",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "LA",
            "license": "351496",
            "primary": false
        },
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "LA",
            "license": "351496",
            "primary": true
        },
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "TX",
            "license": "N6842",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "TX",
            "license": "N6842",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "LA",
            "license": "351496",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tianyue Chen, RN
• Ravi Kiran Chilukuri, MD
• Kasei Chizer, DPM
• Walter S Choate, M.D.
• Rachael Chrzan
• Sydney M Claypoole, MD
• Ava Elise Clayton
• Briana Elise Clemons Bianchini, DPM
• Mason Coats, PT, DPT
• Cara Coleman, MD

• Pediatric Critical Care Medicine Physician in Jefferson, LA
• Providers in Jefferson, LA by specialty
• Pediatric Critical Care Medicine Physician in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 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.