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DR. KAREN L. HASTY M.D.
NPI 1053378596
Obstetrics & Gynecology in San Antonio, TX

Active since April 27, 2006PECOS EnrolledAccepts Medicare Assignment
8435 WURZBACH RD STE 101, SAN ANTONIO, TX 78229(210) 593-0700(210) 593-0702 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Karen L. Hasty M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KAREN L. HASTY M.D. (NPI 1053378596) is an individual obstetrics & gynecology provider in San Antonio, Texas, licensed in Texas (K5550) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1053378596
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. KAREN L. HASTYCredential: M.D.
Location Address8435 WURZBACH RD STE 101San Antonio, TX 78229-3733
Mailing Address8435 Wurzbach Rd Ste 101San Antonio, TX 78229-3733 · (210) 593-0700 · Fax (210) 593-0702
Phone(210) 593-0700
Fax(210) 593-0702
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateApril 27, 2006
Last NPPES UpdateSeptember 9, 2025
NPPES CertifiedSeptember 9, 2025
✔ NPI 1053378596 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TX · K5550
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
8435 WURZBACH RD STE 101, San Antonio, TX 78229
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Other Identifiers 1

Medicaid14338490TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Karen L. Hasty M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577757061
PECOS Enrollment IDI20120208000464
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Karen Hasty reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Four Seasons Ob/Gyn, M.D., P.A.
Same address
Specialist
8435 WURZBACH RD STE 101
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 2 clinicians in this Medicare group
NPI 1316127111 (210) 593-0700
Lone Star Ob/Gyn Associates, P.A.
0.5 mi
Obstetrics & Gynecology
7950 FLOYD CURL DR, SUITE 300 & 400
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 64 clinicians in this Medicare group
NPI 1063441921 (210) 615-6505
Premier Ob-Gyn Of Texas LLC
0.7 mi
Obstetrics & Gynecology
4458 MEDICAL DR STE 450
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 33 clinicians in this Medicare group
NPI 1225807530 (210) 440-4149
Obhg Texas Holdings, P.A.
80 mi
Obstetrics & Gynecology
12221 N MOPAC EXPY
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Obhg Texas Holdings PA
  • 998 clinicians in this Medicare group
NPI 1083917769 (800) 967-2289

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
35 services35 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
34 services26 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
33 services33 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. CAROLINE KITTRELL FORMAN CNP
Nurse Practitioner (Family)
8435 WURZBACH RD STE 101
SAN ANTONIO, TX 78229
Bexar County (210) 593-0700
FOUR SEASONS OB/GYN, M.D., P.A.
Specialist
8435 WURZBACH RD STE 101
SAN ANTONIO, TX 78229
Bexar County (210) 593-0700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Hasty's NPI number?

The NPI number for Karen Hasty is 1053378596. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Karen Hasty located?

Karen Hasty practices at 8435 Wurzbach Rd Ste 101, San Antonio, TX 78229. The listed phone number is (210) 593-0700.

What is Karen Hasty's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Karen Hasty enrolled in Medicare?

Yes. Karen Hasty is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Karen Hasty's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Hasty reassigns Medicare benefits to 4 organizations: Four Seasons Ob/Gyn, M.D., P.A. (San Antonio, TX), Lone Star Ob/Gyn Associates, P.A. (San Antonio, TX), Premier Ob-Gyn Of Texas LLC (San Antonio, TX) and Obhg Texas Holdings, P.A. (Austin, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Hasty's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Hasty accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Karen Hasty as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karen Hasty affiliated with any hospitals?

According to CMS data, Karen Hasty is affiliated with Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Karen Hasty was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.