LONE STAR OB/GYN ASSOCIATES, P.A.
NPI 1063441921
Obstetrics & Gynecology in San Antonio, TX

Active since July 02, 2006CLIA 45D0913550 · Microscopy
7950 FLOYD CURL DR, SUITE 300 & 400, SAN ANTONIO, TX 78229(210) 615-6505(210) 615-1321 Get Directions Write a Review

NPPES record last updated: July 19, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lone Star Ob/gyn Associates, P.a. NPPES

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

LONE STAR OB/GYN ASSOCIATES, P.A. (NPI 1063441921) is a healthcare organization registered as an obstetrics & gynecology in San Antonio, Texas and active in the NPI registry since July 2006. The organization holds a CLIA Microscopy certificate valid through April 2, 2028 and lists Patrick L Williamson, President, as its authorized official.

NPPES Registry Identity

NPI1063441921
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameLONE STAR OB/GYN ASSOCIATES, P.A.
Location Address7950 FLOYD CURL DR, SUITE 300 & 400San Antonio, TX 78229-3919
Mailing Address7950 Floyd Curl Dr, Suite 300San Antonio, TX 78229-3919 · (210) 615-6505 · Fax (210) 615-1321
Fax(210) 615-1321
Organization SubpartNo
Authorized OfficialPatrick L WilliamsonPresident · (210) 615-6505
Enumeration DateJuly 2, 2006
Last NPPES UpdateJuly 19, 2010
✔ NPI 1063441921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
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.
7950 FLOYD CURL DR, San Antonio, TX 78229

Other Identifiers 2

Medicaid085612201TX
Medicare PIN00U29QTX

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lone Star Ob/gyn Associates, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

64

Medicare enrollment records show 64 clinicians reassign Medicare billing to Lone Star Ob/Gyn Associates, P.A., which bills Medicare for the services they deliver. Of these, 12 practice at this address and 32 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Obstetrics/Gynecology61
Certified Nurse Midwife (CNM)3

Nearest to this location (20)

See all 64
Obstetrics/Gynecology
NPI 1497763247
7950 FLOYD CURL DRIVE SUITE 300
San Antonio, TX 76229
(210) 615-6505
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1649298431
7950 FLOYD CURL DRIVE SUITE 300
San Antonio, TX 78229
(210) 615-6505
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1730111071
7950 FLOYD CURL DR SUITE 300
San Antonio, TX 78229
(210) 615-6505
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1730383399
7950 FLOYD CURL DR SUITE 300
San Antonio, TX 78229
(210) 614-4673
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1982844338
7950 FLOYD CURL DR SUITE 400
San Antonio, TX 78229
(210) 615-6505
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1841218633
7950 FLOYD CURL DRIVE SUITE 300
San Antonio, TX 78229
(210) 615-6505
✔ PECOSSame address
Obstetrics/Gynecology
NPI 1518083013
7950 FLOYD CURL DR SUITE 300
San Antonio, TX 78229
(210) 615-6505
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1942839022
7950 FLOYD CURL DR STE 300
San Antonio, TX 78229
(210) 615-6505
✔ PECOSSame address
Obstetrics/Gynecology
NPI 1457524183
7950 FLOYD CURL DR SUITE 300
San Antonio, TX 78229
(210) 615-6505
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1730303215
7950 FLOYD CURL DR STE 300
San Antonio, TX 78229
(212) 615-0225
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1265401665
7950 FLOYD CURL DR SUITE #300
San Antonio, TX 78229
(210) 615-6505
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1316964745
7940 FLOYD CURL DR SUITE 900
San Antonio, TX 78229
(210) 614-1000
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1487741492
4499 MEDICAL DRIVE SUITE 191
San Antonio, TX 78229
(210) 692-0404
✔ PECOS✔ Accepts Medicare0.2 mi
Obstetrics/Gynecology
NPI 1871561993
4499 MEDICAL DR SUITE 119
San Antonio, TX 78229
(210) 614-9400
✔ PECOS✔ Accepts Medicare0.2 mi
Certified Nurse Midwife (CNM)
NPI 1184903551
4458 MEDICAL DR STE 705
San Antonio, TX 78229
(210) 806-8250
✔ PECOS0.3 mi
Obstetrics/Gynecology
NPI 1780601773
4458 MEDICAL DR STE 705
San Antonio, TX 78229
(210) 615-8585
✔ PECOS✔ Accepts Medicare0.3 mi
Obstetrics/Gynecology
NPI 1508201146
4502 MEDICAL DR
San Antonio, TX 78229
(210) 567-4953
✔ PECOS✔ Accepts Medicare0.4 mi
Certified Nurse Midwife (CNM)
NPI 1508976200
8300 FLOYD CURL DR FL 5
San Antonio, TX 78229
(210) 450-9500
✔ PECOS✔ Accepts Medicare0.4 mi
Certified Nurse Midwife (CNM)
NPI 1407207921
8300 FLOYD CURL DR FL 5
San Antonio, TX 78229
(210) 450-9500
✔ PECOS0.4 mi
Obstetrics/Gynecology
NPI 1609974484
7711 LOUIS PASTEUR #200
San Antonio, TX 78229
(210) 692-9500
✔ PECOS0.4 mi
See all 64 clinicians

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 45D0913550

Lone Star Ob/Gyn Associates · San Antonio, TX
Active · expires Apr 2, 2028
CLIA Number45D0913550
Laboratory TypePhysician Office
Certificate Effective DateApril 3, 2026
Certificate Expiration DateApril 2, 2028
Laboratory DirectorJennifer Jacobs
Laboratory Phone(210) 615-6505
Laboratory LocationLone Star Ob/Gyn Associates7950 Floyd Curl Drive Suite 300 And 400, San Antonio, TX 78229
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Lone Star Ob/Gyn Associates, P.A.'s NPI number?

The NPI number for Lone Star Ob/Gyn Associates, P.A. is 1063441921. It was assigned to this organization in the NPPES registry on July 2, 2006.

Where is Lone Star Ob/Gyn Associates, P.A. located?

Lone Star Ob/Gyn Associates, P.A. is located at 7950 Floyd Curl Dr Suite 300 & 400, San Antonio, TX 78229. The listed phone number is (210) 615-6505.

What is Lone Star Ob/Gyn Associates, P.A.'s specialty?

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

Is Lone Star Ob/Gyn Associates, P.A. enrolled in Medicare?

Yes. Lone Star Ob/Gyn Associates, P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lone Star Ob/Gyn Associates, P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 64 clinicians in 2 Medicare specialties reassign their Medicare billing to Lone Star Ob/Gyn Associates, P.A.. A 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 the clinician's services. The largest specialties are Obstetrics/Gynecology (61) and Certified Nurse Midwife (CNM) (3). Of these, 12 practice at this address and 32 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Lone Star Ob/Gyn Associates, P.A. hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 45D0913550) is associated with this NPI, valid through April 2, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Lone Star Ob/Gyn Associates, P.A. 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 2 other insurers list Lone Star Ob/Gyn Associates, P.A. 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.

When was this NPI record last updated?

The NPPES record for Lone Star Ob/Gyn Associates, P.A. was last updated on July 19, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.