Shanker Das Kundumadam, MD
Gastroenterology Physician · Festus, MO
Shanker Das Kundumadam, MD is a gastroenterology physician with a practice address in Festus, Missouri, and NPI 1720475403, issued on Apr 21, 2015. Check the license (Missouri 2024046631, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Shanker Das Kundumadam
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 2024046631 MO
MD-49141 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1390 US Highway 61 Ste N3300, Festus, MO 63028
- Phone
- (636) 937-8675
- Enumerated
- Apr 21, 2015
- Record last updated
- Aug 29, 2025
- Fax
- (636) 933-1981
- Medicare enrollment
- Enrolled (PECOS I20250908003667); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 414 in Missouri → Look up another NPI →
Also registered at 1390 US Highway 61 Ste N3300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rehan Rafiq, M.D.Gastroenterology Physician1407924954
- Saad Zinad, M.DGastroenterology Physician1336582972
Verify Shanker Das Kundumadam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2024046631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average gastroenterology physician in 2024
519 Medicare Part D claims for 350 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Gavilyte-G188 claims
- Peg-3350 And Electrolytes57 claims
- Peg 3350-Electrolyte50 claims
- Omeprazole42 claims
- Pantoprazole Sodium22 claims
- Sod Sulf-Potass Sulf-Mag Sulf18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $576.16
25 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Clinic Gastroenterology LLCFestus, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shanker Das Kundumadam among 414 gastroenterology physician records in Missouri
Shanker Das Kundumadam, MD is one of 414 gastroenterology physician records with a practice address in Missouri. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.
- NPI issued2015 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2012 · median 2003 among the 303 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Missouri
There are 414 gastroenterology physician records in Missouri.
All 414 in Missouri → Every provider in Festus → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Rehan Rafiq, M.D.Festus, MO 630281407924954
- Edwardo Verzola, M.D.Festus, MO 630281245381201
- Saad Zinad, M.DFestus, MO 630281336582972
- Courtney Cockerell, D.OFenton, MO 630261346504644
- Sanjay Bhat, M.D.Chesterfield, MO 630171356322036
- Paul Buse, M.D.Chesterfield, MO 630171114993664
- Elie Chahla, MDChesterfield, MO 630171205082633
- Michael Cleary, M.D.Chesterfield, MO 630171124098546
Common questions
What is Shanker Das Kundumadam, MD's NPI number?
Shanker Das Kundumadam, MD's National Provider Identifier (NPI) is 1720475403, issued on Apr 21, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Shanker Das Kundumadam, MD located?
The NPPES record lists a practice address at 1390 US Highway 61 Ste N3300, Festus, MO, 63028. Phone: (636) 937-8675. Providers update this record themselves, so call before visiting.
How can I verify Shanker Das Kundumadam, MD's license?
NPPES lists Missouri license number 2024046631, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shanker Das Kundumadam, MD prescribe under Medicare Part D?
In 2024, Shanker Das Kundumadam, MD had 519 Medicare Part D claims for 350 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.