Hayden N Hemphill, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

L3996 Issued in TX

Practice address

5002 Cowhorn Creek Rd Ste 4000B
Texarkana, TX 75503-9707

Phone

(903) 614-3006

Fax

(903) 614-3522

NPI assigned

Aug 2, 2005

Last updated

Sep 16, 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 3

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in AR, TX, OK3 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 3

Specialty

Nephrology

Education

University of Texas Medical School at Houston, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Collom and Carney Clinic AssociationGroup PAC ID 1355249541, 52 clinicians

Christus Trinity Clinic TexasGroup PAC ID 3072426741, 1,540 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• DaVita Texarkana Regional Dialysis Dialysis facility, Texarkana, TX, CCN 452552
• DaVita Twin Cities Dialysis facility, Texarkana, AR, CCN 042601
• DaVita Hempstead County Dialysis Dialysis facility, Hope, AR, CCN 042563
• DaVita Miller County Dialysis Dialysis facility, Texarkana, AR, CCN 042578
• DaVita Northeast Texas Dialysis Dialysis facility, Atlanta, TX, CCN 452710
• Christus St Michael Health System Hospital, Texarkana, TX, CCN 450801
• McCurtain Memorial Hospital Hospital, Idabel, OK, CCN 371342
• Christus St Michael Health System Inpatient rehabilitation facility, Texarkana, TX, CCN 45T801

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: hayden.hemphill.p1@direct.collom-carney.nextgenshare.com

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.

• Christus Trinity Clinic Texas

  dba Christus Trinity Clinic

  • Family Medicine Physician
  • Tyler, TX
  • NPI 1285684225
  Medicare reassignment Care Compare group NPD
• Collom & Carney Clinic Association

  • Nephrology Physician
  • Texarkana, TX
  • NPI 1265414635

  OK

  Medicare reassignment Care Compare group
• Christus Trinity Clinic Texas

  dba Christus Trinity Clinic

  • Rural Health Clinic/Center
  • Winnsboro, TX
  • NPI 1801673165
  NPD
• Collom & Carney Clinic Association

  • Cardiovascular Disease Physician
  • Texarkana, TX
  • NPI 1013252279
  NPD
• Collom & Carney Clinic Association

  dba Collom and Carney Clinic

  • Hematology & Oncology Physician
  • Texarkana, TX
  • NPI 1114909934
  NPD
• Collom & Carney Clinic Association

  • Clinical Medical Laboratory
  • Texarkana, TX
  • NPI 1164405296
  NPD
• Collom & Carney Clinic Association

  • Pain Medicine (Anesthesiology) Physician
  • Texarkana, TX
  • NPI 1962829747
  NPD
• Collom & Carney Clinic Association

  • Family Medicine Physician
  • Prescott, AR
  • NPI 1740262732
  NPD

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

• Total Renal Care Inc

  dba Texarkana Regional Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Texarkana, TX
  • NPI 1649549643

  Dialysis facility

  Care Compare affiliation Name & address match
• Total Renal Care Inc

  dba Northeast Texas Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Atlanta, TX
  • NPI 1821367830

  Dialysis facility

  Care Compare affiliation Name & address match
• Atchess Dialysis LLC

  dba Twin Cities Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Texarkana, AR
  • NPI 1326638511

  Dialysis facility

  Care Compare affiliation Name & address match
• Total Renal Care Inc

  dba Hempstead County Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Hope, AR
  • NPI 1871863860

  Dialysis facility

  Care Compare affiliation Name & address match
• Christus Health Ark-la-Tex

  dba Christus St. Michael Health System

  • General Practice Physician
  • Texarkana, TX
  • NPI 1184623266

  Hospital

  Care Compare affiliation
• Christus Health Ark-la-Tex

  dba CHRISTUS St. Michael Health System

  • General Acute Care Hospital
  • Texarkana, TX
  • NPI 1295736734
  Care Compare affiliation
• Christus Health Ark-la-Tex

  dba CHRISTUS St Michael Rehabilitation Hospital

  • Rehabilitation Hospital Unit
  • Texarkana, TX
  • NPI 1467453902

  Inpatient rehabilitation facility

  Care Compare affiliation
• McCurtain Memorial Medical Management, Inc.

  dba McCurtain Memorial Hospital

  • Critical Access Hospital
  • Idabel, OK
  • NPI 1063900975
  Care Compare affiliation

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

{
    "created_epoch": "1122940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789516800000",
    "number": "1396746376",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5002 COWHORN CREEK RD",
            "city": "TEXARKANA",
            "state": "TX",
            "postal_code": "755039766",
            "telephone_number": "903-614-3000",
            "fax_number": "903-614-3525"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5002 COWHORN CREEK RD STE 4000B",
            "city": "TEXARKANA",
            "state": "TX",
            "postal_code": "755039707",
            "telephone_number": "903-614-3006",
            "fax_number": "903-614-3522"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5002 Cowhorn Creek Rd",
            "address_purpose": "LOCATION",
            "city": "Texarkana",
            "state": "TX",
            "postal_code": "755039766",
            "country_code": "US",
            "telephone_number": "903-614-3000",
            "fax_number": "903-614-3525",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "115 Airport Rd",
            "address_purpose": "LOCATION",
            "city": "Sulphur Springs",
            "state": "TX",
            "postal_code": "754822105",
            "country_code": "US",
            "telephone_number": "903-438-4670",
            "fax_number": "903-885-8720",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "130 Tankersley Rd Ste 200",
            "address_purpose": "LOCATION",
            "city": "MT Pleasant",
            "state": "TX",
            "postal_code": "754551604",
            "country_code": "US",
            "telephone_number": "903-606-7480",
            "fax_number": "903-606-7489",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HEMPHILL",
        "first_name": "HAYDEN",
        "middle_name": "N",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-02",
        "last_updated": "2026-09-16",
        "certification_date": "2026-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "TX",
            "license": "L3996",
            "primary": true
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "AR",
            "license": "E3289",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "OK",
            "license": "23061",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "151645201",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "146762001",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Theresa Marie Hebert, PAC
• Brenda Diann Hector-Reid, PT
• Jennifer Lynn Hedges, SLP
• William Todd Hegmann, DDS, MS
• Ron Joseph Hekier, MD PA
• Julie Sloan Henderson, APRN
• Shonda Sharee Henley, COTA
• Richard Hennessey, CRNA
• Rosalyn Charmane Henry, DPT
• Heritage Hospice of Texarkana LLC

• Nephrology Physician in Texarkana, TX
• Providers in Texarkana, TX by specialty
• Nephrology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 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.