Erin K. Spengler, MD

Medicare activity in 2024

Official CMS public-use data for Erin K. Spengler, 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. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)11 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)11 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%
• Diabetes48%
• Arthritis43%
• Ischemic heart disease40%
• Chronic kidney disease38%

Hospitals where Erin K. Spengler works

Medicare's Facility Affiliation Data lists Erin K. Spengler 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.

• Banner - University Medical Center Tucson CampusTucson, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030064
• Methodist HospitalSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450388

Practice locations

Addresses where Erin K. Spengler is enrolled with Medicare (CMS data updated October 2, 2026).

• 3838 N Campbell Ave, Bldg 2Tucson, AZ 85719 (520) 694‑8888
• 520 E Euclid AveSan Antonio, TX 78212 (210) 271‑0606

Group practices

Medicare enrollment lists Erin K. Spengler as a member of these groups (CMS data updated October 2, 2026).

• Banner-University Medical Group1,072 clinicians in the group
• Texas Digestive Disease Consultants, PLLC608 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in Arizona →

Other gastroenterologists in Tucson

Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.

• Ibrahim Yaghnam, MD
• Larissa M. Allen, MD
• Oleh Haluszka, MD
• Edmund Krasinski Jr., DO
• Bhupesh Pokhrel, MD
• Juanita L. Merchant, MD
• Cristiana Bortuzzo, MD
• Bryan Contreras, MD

All gastroenterologists in Tucson →

Other clinicians in Banner-University Medical Group

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

• Amy D. Tempkin, MD
• Jerome P. Yatskowitz, MD
• Ibrahim Yaghnam, MD
• Jerome F. Koleski, MD
• George Schatz, MD
• Quinlan D. Amos, 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