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TEXAS ONCOLOGY PA
NPI 1972770303
Internal Medicine - Medical Oncology in Austin, TX

Active since May 14, 2008CLIA 45D0903673 · Accreditation
4101 JAMES CASEY ST STE 100, AUSTIN, TX 78745(972) 997-8000(972) 234-2987 Get Directions Write a Review

NPPES record last updated: April 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 24, 2021, Oct 2, 2020 (2 updates tracked since 2020).

About Texas Oncology Pa NPPES

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

TEXAS ONCOLOGY PA (NPI 1972770303) is a healthcare organization registered as a medical oncology in Austin, Texas and active in the NPI registry since May 2008. The organization holds an CLIA Accreditation certificate valid through December 14, 2027 and lists Jason D Shook, Chief Operating Office, as its authorized official.

NPPES Registry Identity

NPI1972770303
Entity TypeOrganization
Primary Taxonomy207RX0202X
Legal Business NameTEXAS ONCOLOGY PA
Location Address4101 JAMES CASEY ST STE 100Austin, TX 78745-1145
Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 234-2987
Phone(972) 997-8000
Fax(972) 234-2987
Organization SubpartYes
Authorized OfficialJason D ShookChief Operating Office · (972) 490-2947
Enumeration DateMay 14, 2008
Last NPPES UpdateApril 24, 20252 updates tracked since enumeration
NPPES CertifiedApril 24, 2025
✔ NPI 1972770303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X
Also ListedObstetrics & Gynecology · Gynecologic OncologyTaxonomy 207VX0201X
Also ListedPediatrics · Pediatric Hematology-OncologyTaxonomy 2080P0207X
Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X
Also ListedSurgeryTaxonomy 208600000X
4101 JAMES CASEY ST STE 100, Austin, TX 78745
Open in Google Maps ↗

Other Identifiers 1

Medicaid080746301TX

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 ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Texas Oncology Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

1,042

Medicare enrollment records show 1,042 clinicians reassign Medicare billing to Texas Oncology PA, which bills Medicare for the services they deliver. Of these, 16 practice at this address and 74 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 34

Hematology/Oncology253
Nurse Practitioner244
Medical Oncology155
Radiation Oncology82
Colorectal Surgery (Proctology)44
Surgical Oncology43
Internal Medicine35
Urology34
26 other specialties152

Nearest to this location (20)

See all 1,042
Sarah Cain, APRN-CNP
Nurse Practitioner
NPI 1952168098
4101 JAMES CASEY ST
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Punit Chadha, MD
Medical Oncology
NPI 1497778229
4101 JAMES CASEY ST SUITE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Pamela Garza, FNP
Nurse Practitioner
NPI 1841232758
4101 JAMES CASEY ST SUITE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Matthew Gaudet, M.D.
Thoracic Surgery
NPI 1477743060
4101 JAMES CASEY ST STE 340
Austin, TX 78745
(512) 687-1300
✔ PECOS✔ Accepts MedicareSame address
Aimee Mackey, MD
Surgical Oncology
NPI 1386834836
4101 JAMES CASEY ST STE 100
Austin, TX 78745
(512) 687-1300
✔ PECOS✔ Accepts MedicareSame address
Rebecca Monti, A.G.C.N.S.-B.C
Certified Clinical Nurse Specialist (CNS)
NPI 1205384096
4101 JAMES CASEY ST SUITE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Diaa Osman, DO
Hematology/Oncology
NPI 1689894495
4101 JAMES CASEY ST STE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Dina Tebcherany, MD
Medical Oncology
NPI 1578501664
4101 JAMES CASEY ST 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Ryan Tierney, M.D.
Radiation Oncology
NPI 1154416923
4101 JAMES CASEY ST SUTIE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Dennis Tweedy, M.D.
Hematology/Oncology
NPI 1205874948
4101 JAMES CASEY ST SUITE 250
Austin, TX 78745
(512) 419-9733
✔ PECOS✔ Accepts MedicareSame address
James Uyeki, M.D.
Medical Oncology
NPI 1124187927
4101 JAMES CASEY ST STE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Jennifer Wright, MD
Hematology/Oncology
NPI 1568624831
4101 JAMES CASEY ST STE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Carsten Kampe, PHD,MD,FACP
Hematology/Oncology
NPI 1912944521
4101 JAMES CASEY ST SUITE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Shaun Mckenzie, MD
Surgical Oncology
NPI 1114189933
4101 JAMES CASEY ST STE 100
Austin, TX 78745
(512) 421-4250
✔ PECOS✔ Accepts MedicareSame address
Susanne Morris, AGCNS
Certified Clinical Nurse Specialist (CNS)
NPI 1003269341
4101 JAMES CASEY ST STE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Laurence Tokaz, M.D.
Medical Oncology
NPI 1124060256
4101 JAMES CASEY ST STE 100
Austin, TX 78745
(512) 447-2202
✔ PECOS✔ Accepts MedicareSame address
Ricardo Solis, MD
Colorectal Surgery (Proctology)
NPI 1891802732
4207 JAMES CASEY ST STE 200
Austin, TX 78745
(512) 447-8911
✔ PECOS✔ Accepts Medicare0.1 mi
Joshua Fox, MD
Orthopedic Surgery
NPI 1760685366
4310 JAMES CASEY ST STE 3C
Austin, TX 78745
(512) 246-4488
✔ PECOS✔ Accepts Medicare0.2 mi
Alexis Sayers
Nurse Practitioner
NPI 1568333714
2306 ARPDALE ST UNIT A
Austin, TX 78704
(512) 736-3423
✔ PECOS✔ Accepts Medicare1.7 mi
Becky Fain, M.D.
Physical Medicine and Rehabilitation
NPI 1184748022
2705 REGENTS PARK
Austin, TX 78746
(512) 327-5785
✔ PECOS✔ Accepts Medicare3.0 mi
See all 1,042 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 of Accreditation 45D0903673

Texas Oncology South Austin · Austin, TX
Active · expires Dec 14, 2027
CLIA Number45D0903673
Laboratory TypePhysician Office
Certificate Effective DateDecember 15, 2025
Certificate Expiration DateDecember 14, 2027
Laboratory DirectorDr. James Uyeki
Laboratory Phone(512) 447-2202
Laboratory LocationTexas Oncology South Austin4101 James Casey Suite 100, Austin, TX 78745
CLIA data matches this NPI record on: Name
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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 Texas Oncology PA's NPI number?

The NPI number for Texas Oncology PA is 1972770303. It was assigned to this organization in the NPPES registry on May 14, 2008.

Where is Texas Oncology PA located?

Texas Oncology PA is located at 4101 James Casey St Ste 100, Austin, TX 78745. The listed phone number is (972) 997-8000.

What is Texas Oncology PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Texas Oncology PA enrolled in Medicare?

Yes. Texas Oncology PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Texas Oncology PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,042 clinicians in 34 Medicare specialties reassign their Medicare billing to Texas Oncology PA. 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 Hematology/Oncology (253), Nurse Practitioner (244) and Medical Oncology (155). Of these, 16 practice at this address and 74 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Texas Oncology PA hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 45D0903673) is associated with this NPI, valid through December 14, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Texas Oncology PA accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list Texas Oncology PA 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 Texas Oncology PA was last updated on April 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.