Individual provider Active NPI

Gerald Q Greenfield, M.D.

  • Orthopaedic Surgery Physician
  • San Antonio, TX
National Provider Identifier
1457393316
Registry record updated Nov 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
H7154 Issued in TX
Practice address
9150 Huebner Rd Ste 290
San Antonio, TX 78240-1598
Phone
(210) 614-6432
Fax
(210) 293-1182
NPI assigned
Jun 12, 2006
Last updated
Nov 5, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 5, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery of the Spine Physician 207XS0117X H7154 TX
Orthopaedic Surgery Physician 207X00000X H7154 TX Primary

Addresses

Primary practice location

9150 Huebner Rd Ste 290
San Antonio, TX 78240-1598

Mailing address

9150 Huebner Rd Ste 290
San Antonio, TX 78240-1598
Phone (210) 614-6432

Other identifiers 1

IdentifierTypeStateIssuer
1457393316MedicaidTX

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
I20100611000443 TX Practitioner - Orthopedic Surgery 7214076116 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Johns Hopkins University School of Medicine, 1978
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
South Texas Spinal Clinic, P.a.Group PAC ID 3274501804, 19 clinicians

Practice addresses (Care Compare)

9150 Huebner Rd
Suite 290
San Antonio, TX 78240-1598
Phone (210) 614-6432

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
79.19 of 100Reported as individual
Quality
60.15
Promoting interoperability
97
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement11
Knee replacement1-10
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10
Upper limb (arm) arthroscopy (minimally invasive joint repair)1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
South Texas Spinal Clinic, P.a. Orthopaedic Surgery CurrentSince Oct 10, 2010 Accepting new patients
South Texas Spinal Clinic, P.a. Orthopaedic Surgery CurrentSince Oct 10, 2010 Accepting new patients

Locations

134 Menger Spgs
#1210
Boerne, TX 78006
Phone (210) 698-9841

9150 Huebner Rd
Ste 290
San Antonio, TX 78240
Phone (210) 615-3566

5282 Medical Dr
Ste 200
San Antonio, TX 78229

2003 Medical Pkwy
Ste A
San Marcos, TX 78666
Phone (512) 392-5359

Interoperability endpoints

  • Direct secure messaging: gerald.greenfield.1@935.direct.athenahealth.com
  • FHIR API: https://api.platform.athenahealth.com/935/brand/1/csg/1/fhir/r4

Organizations & group practices 2

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.

Hospital & facility affiliations 4

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": "1150070400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762300800000",
    "number": "1457393316",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9150 HUEBNER RD STE 290",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782401598",
            "telephone_number": "210-614-6432",
            "fax_number": "210-293-1182"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9150 HUEBNER RD STE 290",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782401598",
            "telephone_number": "210-614-6432",
            "fax_number": "210-293-1182"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENFIELD",
        "first_name": "GERALD",
        "middle_name": "Q",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-12",
        "last_updated": "2025-11-05",
        "certification_date": "2025-11-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0117X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Orthopaedic Surgery of the Spine",
            "state": "TX",
            "license": "H7154",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "TX",
            "license": "H7154",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1457393316",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.