SOUTH TEXAS PHYSICIAN GROUP, PLLC
NPI 1952016685
Internal Medicine in Fredericksburg, TX

Q: What is South Texas Physician Group, PLLC's NPI number?

The NPI number for South Texas Physician Group, PLLC is 1952016685. It was assigned to this organization in the NPPES registry on January 17, 2023.

Q: What is South Texas Physician Group, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since January 17, 2023CLIA Certified · 3 labs

205 W WINDCREST ST STE 130, FREDERICKSBURG, TX 78624(615) 373-7600 Get Directions Write a Review

NPPES record last updated: November 21, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 21, 2025, Jan 20, 2023 (2 updates tracked since 2023).

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About South Texas Physician Group, Pllc NPPES

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

SOUTH TEXAS PHYSICIAN GROUP, PLLC (NPI 1952016685) is a healthcare organization registered as an internal medicine in Fredericksburg, Texas and active in the NPI registry since January 2023. The organization holds 3 active CLIA laboratory certificates and lists Nicholas Wadlington, Group Vice President, as its authorized official.

NPPES Registry Identity

NPI1952016685

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameSOUTH TEXAS PHYSICIAN GROUP, PLLC

Location Address205 W WINDCREST ST STE 130Fredericksburg, TX 78624-4478

Mailing Address2000 Health Park DrBrentwood, TN 37027-4692 · (615) 373-7406

Phone(615) 373-7600

Organization SubpartNo

Authorized OfficialNicholas WadlingtonGroup Vice President · (615) 372-7332

Enumeration DateJanuary 17, 2023

Last NPPES UpdateNovember 21, 20252 updates tracked since enumeration

NPPES CertifiedNovember 21, 2025

✔ NPI 1952016685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

205 W WINDCREST ST STE 130, Fredericksburg, TX 78624

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 ›

CLIA Laboratory Certificates CMS CLIA 3

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 of Waiver 45D0874501

South Texas Physician Group - Perry Feller Bldg (suite 310) · Fredericksburg, TX

Active · expires May 26, 2028

CLIA Number45D0874501

Laboratory TypePhysician Office

Certificate Effective DateMay 27, 2026

Certificate Expiration DateMay 26, 2028

Laboratory DirectorRebecca Turbeville

Laboratory Phone(830) 990-1404

Laboratory LocationSouth Texas Physician Group - Perry Feller Bldg (suite 310)205 W Windcrest Suite 310, Fredericksburg, TX 78624

CLIA data matches this NPI record on: Name

This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2102533

South Texas Physician Group - Immediate Care Clinic · Fredericksburg, TX

Active · expires Sep 23, 2027

CLIA Number45D2102533

Laboratory TypeCommunity Clinic

Certificate Effective DateSeptember 24, 2025

Certificate Expiration DateSeptember 23, 2027

Laboratory DirectorRodrigo D. Cantu

Laboratory Phone(830) 992-2820

Laboratory LocationSouth Texas Physician Group - Immediate Care Clinic205 W Windcrest Ste 310, Fredericksburg, TX 78624

CLIA data matches this NPI record on: Name

This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2281500

South Texas Physician Group - Windcrest Multi-Specialty · Fredericksburg, TX

Active · expires May 7, 2027

CLIA Number45D2281500

Laboratory TypePhysician Office

Certificate Effective DateMay 8, 2025

Certificate Expiration DateMay 7, 2027

Laboratory DirectorHershel Zis Weisberg

Laboratory Phone(830) 990-1404

Laboratory LocationSouth Texas Physician Group - Windcrest Multi-Specialty506 W Windcrest, Fredericksburg, TX 78624

CLIA data matches this NPI record on: Name

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 8

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

ANDREW N BOWSER MD

Surgery (Vascular Surgery)