Shanker Das Kundumadam, MD

Medicare activity in 2024

Official CMS public-use data for Shanker Das Kundumadam, 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)153 services
2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)86 services
3. Biopsy of large bowel using a flexible endoscope (45380)53 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)24 services
5. Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm (43249)23 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%
• Arthritis40%
• Ischemic heart disease33%
• Anxiety31%
• Chronic kidney disease29%

Hospitals where Shanker Das Kundumadam works

Medicare's Facility Affiliation Data lists Shanker Das Kundumadam 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.

• Mercy Hospital JeffersonCrystal City, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260023
• Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260077

Practice locations

Addresses where Shanker Das Kundumadam is enrolled with Medicare (CMS data updated October 2, 2026).

• 1390 US Hwy 61, Suite N3300Festus, MO 63028 (636) 937‑8675

Group practices

Medicare enrollment lists Shanker Das Kundumadam as a member of this group (CMS data updated October 2, 2026).

• Mercy Clinic Gastroenterology LLC67 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Missouri →

Other gastroenterologists in Missouri

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

• Saad M. Zinad, MD
• Edwardo D. Verzola, MD
• Paul D. King, MD
• Gisela Ocasio Quinones, DO
• Pravallika Chadalavada, MD
• Abdurrahman Kadayifci, MD
• Jason M. Haas, DO
• Devika Kapuria, MD

All gastroenterologists in Missouri →

Other clinicians in Mercy Clinic Gastroenterology LLC

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

• Paul D. King, MD
• Sarah R. Hartmann, NP
• Kimberly Grana
• Gila Hoffman, MD
• Heather L. Brinkman, PA
• Samuel J. Burton, 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