Patricia H. Gallagher, MD

Medicare activity in 2024

Official CMS public-use data for Patricia H. Gallagher, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)15,850 services
2. Injection, gadobutrol, 0.1 ml (A9585)10,094 services
3. Screening mammography (77067)465 services
4. Screening 3d breast mammography (77063)464 services
5. Dxa bone density measurement of hip, pelvis, spine (77080)406 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure68%
• Arthritis50%
• Ischemic heart disease27%
• Anxiety25%
• Diabetes24%

Hospitals where Patricia H. Gallagher works

Medicare's Facility Affiliation Data lists Patricia H. Gallagher at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Ascension Seton Cedar ParkCedar Park, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 670043
• CHRISTUS Santa Rosa Hospital-San MarcosSan Marcos, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450272

Practice locations

Addresses where Patricia H. Gallagher is enrolled with Medicare (CMS data updated October 2, 2026).

• 12554 Riata Vista CirAustin, TX 78727 (713) 461‑3573
• 12800 W Parmer Lane, Suite 200Cedar Park, TX 78613 (512) 485‑7199

Group practices

Medicare enrollment lists Patricia H. Gallagher as a member of these groups (CMS data updated October 2, 2026).

• Singleton Associates PA838 clinicians in the group
• Austin Radiological Association127 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Texas →

Other radiologists in Austin

Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.

• Salmaan A. Jeelani, MD
• Jerome Schroeder, MD
• Silaja Yitta, MD
• Mark R. Seigh, MD
• Michael G. Gunlock, MD
• Nathan Mielke, DO
• John A. Williamson, MD
• John G. Williams, MD

All radiologists in Austin →

Other clinicians in Singleton Associates PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Ryan Fernandez, MD
• David B. Tharp, MD
• Chukwusomnazu Nwanze, MD
• Michelle Agrons, MD
• Scott Logan, MD
• James R. Henderson, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians