Colleen Heartsill, MD

Medicare activity in 2024

Official CMS public-use data for Colleen Heartsill, 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. Anesthesia for lens surgery (00142)65 services
2. Anesthesia for other procedure on large bowel using an endoscope (00811)18 services
3. Anesthesia for removal of prostate including use of an endoscope (00914)13 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%
• Arthritis50%
• Diabetes32%
• Ischemic heart disease29%
• Chronic kidney disease25%

Hospitals where Colleen Heartsill works

Medicare's Facility Affiliation Data lists Colleen Heartsill 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.

• Shannon Medical CenterSan Angelo, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450571

Practice locations

Addresses where Colleen Heartsill is enrolled with Medicare (CMS data updated October 2, 2026).

• 120 E Beauregard AveSan Angelo, TX 76903 (325) 747‑1511
• 120 E Harris AveSan Angelo, TX 76903 (325) 747‑6741

Group practices

Medicare enrollment lists Colleen Heartsill as a member of this group (CMS data updated October 2, 2026).

• Shannon Clinic559 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in San Angelo

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

• Eric J. Igler, MD
• James A. Parker Jr., MD
• Charles Garrett, MD
• Dennis T. Williams, MD
• Donald Green, MD
• Gaurang Gupte, MD
• Roger T. Williams, MD
• David Vance, MD

All anesthesiologists in San Angelo →

Other clinicians in Shannon Clinic

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

• Kendall R. Miller, DO
• Ashley N. Arms, MD
• Eduardo J. Gonzalez, MD
• Michael Matthews, PA
• James M. Cuvillier, MD
• Sanjay Patel, 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