Donald T. Summers, MD

Medicare activity in 2024

Official CMS public-use data for Donald T. Summers, 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. Diagnostic exam of anus using an endoscope (46600)38 services
2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)30 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)20 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)17 services
5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)16 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%
• Arthritis42%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)41%
• Anxiety39%
• Atrial fibrillation31%

Hospitals where Donald T. Summers works

Medicare's Facility Affiliation Data lists Donald T. Summers 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.

• St Lukes HospitalChesterfield, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260179

Practice locations

Addresses where Donald T. Summers is enrolled with Medicare (CMS data updated October 2, 2026).

• 232 S Woods Mill RdChesterfield, MO 63017 (314) 576‑2306

Group practices

Medicare enrollment lists Donald T. Summers as a member of this group (CMS data updated October 2, 2026).

• St Lukes Medical Group16 clinicians in the group

Specialties

• Colorectal Surgery (Proctology)primary
• General Surgeryalso

Find other Colorectal Surgery (Proctology) doctors in Missouri →

Other colorectal surgeons in Missouri

Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.

• Ebunoluwa Otegbeye
• Daniel Peyser, MD
• Harsha V. Polavarapu, MD
• Brian R. Swenson, MD
• Thomas P. Schermoly, DO
• Lawrence G. Mendelow, MD
• Ralph Silverman, MD
• Grace A. Montenegro, MD

All colorectal surgeons in Missouri →

Other clinicians in St Lukes Medical Group

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

• Sierra R. Deguire, NP
• Rebecca L. Gratton, NP
• John E. Mason, MD
• Christopher S. Cronin, MD
• Blaine Manning, MD
• Carole A. Ettinger

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