Individual provider Active NPI

Ashton Hunter Hierholzer, MD

  • Obstetrics & Gynecology Physician
  • Royse City, TX
National Provider Identifier
1467030288
Registry record updated Apr 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
V8281 Issued in TX
Practice address
6743 I 30 E Ste 203
Royse City, TX 75189-4227
Phone
(469) 707-6190
Fax
(469) 707-6199
NPI assigned
Apr 1, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 30, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Obstetrics & Gynecology Physician 207V00000X V8281 TX Primary

Addresses

Primary practice location

6743 I 30 E Ste 203
Royse City, TX 75189-4227

Mailing address

4215 Joe Ramsey Blvd E
Greenville, TX 75401-7852
Phone (903) 408-5834

Other practice location 1

1400 S Coulter St Ste 3500
Amarillo, TX 79106-1786
Phone (806) 414-9650

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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

Enrollment IDStateProvider typePAC IDDetails
I20250821003739 TX Practitioner - Obstetrics/Gynecology 9638572183 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Texas Tech University Health Science Center School of Medicine, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hunt Regional Medical Partners SpecialistsGroup PAC ID 7810226115, 17 clinicians

Practice addresses (Care Compare)

6743 I 30
Suite 203
Royse City, TX 75189-4227
Phone (469) 707-6190

Hospital & facility affiliations

  • Hunt Regional Medical Center Hospital, Greenville, TX, CCN 450352

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
V8281TXMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hunt Memorial Hospital District Obstetrics & Gynecology CurrentSince Aug 15, 2025 Accepting new patients
Hunt Memorial Hospital District CurrentSince Aug 15, 2025 Accepting new patients
Hunt Regional Medical Partners Specialists CurrentSince Aug 15, 2025 Accepting new patients
Texas Tech University Health Sciences Center Amarillo PastSince Apr 1, 2021 Accepting new patients

Locations

4211 Joe Ramsey Blvd E
Ste 100
Greenville, TX 75401
Phone (903) 408-7700

4215 Ramsey Blvd E
Greenville, TX 75401
Phone (903) 408-1470

501 Air Park Ave
Greenville, TX 75402
Phone (800) 806-2067

Interoperability endpoints

  • Direct secure messaging: ahierholzer348885@ahs.direct-ci.com
  • Direct secure messaging: ashton.hierholzer.1@9148.direct.athenahealth.com

Organizations & group practices 4

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1617235200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777507200000",
    "number": "1467030288",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4215 JOE RAMSEY BLVD E",
            "city": "GREENVILLE",
            "state": "TX",
            "postal_code": "754017852",
            "telephone_number": "903-408-5834",
            "fax_number": "903-408-5693"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6743 I 30 E STE 203",
            "city": "ROYSE CITY",
            "state": "TX",
            "postal_code": "751894227",
            "telephone_number": "469-707-6190",
            "fax_number": "469-707-6199"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1400 S Coulter St Ste 3500",
            "address_purpose": "LOCATION",
            "city": "Amarillo",
            "state": "TX",
            "postal_code": "791061786",
            "country_code": "US",
            "telephone_number": "806-414-9650",
            "fax_number": "806-354-5626",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HIERHOLZER",
        "first_name": "ASHTON",
        "middle_name": "HUNTER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-01",
        "last_updated": "2026-04-30",
        "certification_date": "2026-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "V8281",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Royse City, TX

Sources for this page

Verify at the official NPI Registry.