Gregory J. Hanson Jr., MD

Medicare activity in 2024

Official CMS public-use data for Gregory J. Hanson Jr., 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. X-ray of chest, 1 view (71045)1,574 services
2. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)950 services
3. X-ray of chest, 2 views (71046)353 services
4. X-ray of abdomen, 1 view (74018)289 services
5. Ct scan of abdomen and pelvis with contrast (74177)289 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 blood pressure75%
• High cholesterol75%
• Arthritis58%
• Ischemic heart disease42%
• Diabetes35%
• Anxiety34%

Hospitals where Gregory J. Hanson Jr. works

Medicare's Facility Affiliation Data lists Gregory J. Hanson Jr. 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 Medical Center AustinAustin, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450056
• North Austin Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450809
• Round Rock Medical CenterRound Rock, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450718
• St David's Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450431
• St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450713

Practice locations

Addresses where Gregory J. Hanson Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 12554 Riata Vista CirAustin, TX 78727 (512) 795‑5100
• 2441 Bel Paese BndLeander, TX 78641 (805) 577‑2122
• 901 W 38th St, Suite 100Austin, TX 78705 (512) 795‑5100
• 919 E 32nd StAustin, TX 78705 (713) 461‑3573

Group practices

Medicare enrollment lists Gregory J. Hanson Jr. 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.

• Nabeel Farhataziz, MD
• Frederick Rohlfing, MD
• Cara I. Campbell, MD
• Philip B. Katz, MD
• Joshua Farber, MD
• Al Hasan Makkouk, MD
• Francis J. Cloran, MD
• Jon S. Kim, DO

All radiologists in Austin →

Other clinicians in Singleton Associates PA

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

• Nabeel Farhataziz, MD
• Eugene S. Pretorius, MD
• Gina M. Constantine, MD
• Raul H. Loya Jr., MD
• Kimberley Brown, MD
• Peter Holt, 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