Individual provider Active NPI

Karen L. Hasty, M.D.

  • Obstetrics & Gynecology Physician
  • San Antonio, TX
National Provider Identifier
1053378596
Registry record updated Sep 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
K5550 Issued in TX
Practice address
8435 Wurzbach Rd Ste 101
San Antonio, TX 78229-3733
Phone
(210) 593-0700
Fax
(210) 593-0702
NPI assigned
Apr 27, 2006
Last updated
Sep 9, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X K5550 TX Primary

Addresses

Primary practice location

8435 Wurzbach Rd Ste 101
San Antonio, TX 78229-3733

Mailing address

8435 Wurzbach Rd Ste 101
San Antonio, TX 78229-3733
Phone (210) 593-0700

Other identifiers 1

IdentifierTypeStateIssuer
14338490MedicaidTX

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
I20120208000464 TX Practitioner - Obstetrics/Gynecology 3577757061 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Four Seasons OB/GYN, M.D., P.a.Group PAC ID 1456545029, 2 clinicians

Practice addresses (Care Compare)

8435 Wurzbach Rd
Suite 101
San Antonio, TX 78229-3733
Phone (210) 593-0700

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of the uterus1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Lone Star OB/GYN Associates, P.a. Obstetrics & Gynecology CurrentSince May 12, 2023 Accepting new patients
Obhg Texas Holdings, P.a. Obstetrics & Gynecology CurrentSince Jan 26, 2022 Accepting new patients
Premier OB-GYN of Texas LLC Obstetrics & Gynecology CurrentSince Mar 14, 2025 Accepting new patients
Four Seasons OB/GYN, M.D., P.a. CurrentSince Aug 1, 2001 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

5950 Saratoga Blvd
Corpus Christi, TX 78414
Phone (361) 985-5000

4458 Medical Dr
Ste 405
San Antonio, TX 78229
Phone (210) 314-1718

4458 Medical Dr
Ste 650
San Antonio, TX 78229

7700 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 575-5564

7711 Louis Pasteur Dr
Ste 105
San Antonio, TX 78229
Phone (210) 561-7242

7950 Floyd Curl Dr
Ste 300
San Antonio, TX 78229
Phone (210) 615-6505

7950 Floyd Curl Dr
Ste 300400
San Antonio, TX 78229
Phone (210) 615-6505

8435 Wurzbach Rd
Ste 101
San Antonio, TX 78229
Phone (210) 593-0700

Organizations & group practices 5

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 3

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": "1146096000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757376000000",
    "number": "1053378596",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8435 WURZBACH RD STE 101",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782293733",
            "telephone_number": "210-593-0700",
            "fax_number": "210-593-0702"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8435 WURZBACH RD STE 101",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782293733",
            "telephone_number": "210-593-0700",
            "fax_number": "210-593-0702"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HASTY",
        "first_name": "KAREN",
        "middle_name": "L.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-27",
        "last_updated": "2025-09-09",
        "certification_date": "2025-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "K5550",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "14338490",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.