Doctor profile · Federal record
Dr. Shanker Das Kundumadam, MD
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Festus, MO
- NPI 1720475403
- Accepts Medicare
- 14 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1390 US Highway 61 Ste N3300
Festus, MO 630284137
(636) 937-8675
fax (636) 933-1981
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- August 29, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Missouri #2024046631 · Iowa #MD-49141
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720475403. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
430
Distinct HCPCS
9
Medicare allowed
$56,017
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 143 | 140 | $214 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 88 | 86 | $60 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 46 | 46 | $44 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 43 | 42 | $162 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 30 | 30 | $105 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 27 | 27 | $104 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 19 | 19 | $97 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 18 | 17 | $111 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 15 | $84 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 48. This provider delivers 9.0× the peer median.Open Payments
Industry payments received
All-time total
$576
Transactions
25
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, Inc. | 5 | $174.55 | |
| ABBVIE INC. | 7 | $140.43 | |
| Regeneron Healthcare Solutions, Inc. | 4 | $74.46 | |
| Janssen Biotech, Inc. | 1 | $62.88 | |
| Celgene Corporation | 3 | $45.57 | |
| Celltrion USA Inc. | 2 | $31.73 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $30.46 | |
| GENZYME CORPORATION | 1 | $16.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
390
Patients
306
Total drug cost
$107,472
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 220 | 216 | $3,421 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 46 | 40 | $1,186 |
| Omeprazole | Generic | 38 | 15 | $557 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 25 | 0 | $4,251 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 25 | 24 | $466 |
| Pantoprazole Sodium | Generic | 23 | 11 | $466 |
| Humira(Cf) Pen (Adalimumab) | Brand | 13 | 0 | $97,124 |
Hospital affiliations
Frequently asked questions
What is Dr. Shanker Das Kundumadam's medical specialty?
Dr. Shanker Das Kundumadam practices Gastroenterology Physician in Festus, MO.
Where does Dr. Shanker Das Kundumadam practice?
Dr. Shanker Das Kundumadam practices at 1390 US Highway 61 Ste N3300, Festus, MO 630284137. Office phone: 6369378675.
What is Dr. Shanker Das Kundumadam's NPI?
Dr. Shanker Das Kundumadam's National Provider Identifier (NPI) is 1720475403, issued by NPPES.
Does Dr. Shanker Das Kundumadam accept Medicare assignment?
Yes. Dr. Shanker Das Kundumadam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shanker Das Kundumadam commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.