Kumar Venkatachalam, MD
Gastroenterology Physician · Merrillville, IN
Kumar Venkatachalam, MD is a gastroenterology physician with a practice address in Merrillville, Indiana, and NPI 1154325421, issued on Jun 2, 2005. Check the license (Indiana 01048257A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Kumar Venkatachalam
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 01048257A IN
Self-reported in NPPES; status is on the state search - Practice location
- 8895 Broadway, Merrillville, IN 46410
- Phone
- (219) 738-2081
- Enumerated
- Jun 2, 2005
- Record last updated
- May 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (219) 736-4658
- Medicaid ID
- 200180870A IN
- Medicare enrollment
- Enrolled (PECOS I20070813000230); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1991
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 372 in Indiana → Look up another NPI →
Also registered at 8895 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Krystal Baum, FNP-CFamily Nurse Practitioner1346601168
- Tamara Elkins, FNPFamily Nurse Practitioner1922076702
- Mark Fesenmyer, MDGastroenterology Physician1992770390
- Sharon Harig, MDPulmonary Disease Physician1770585861
- Marianne Schallmo, ANPNurse Practitioner1679508410
- Aaditya Shah, MDRetina Specialist (Ophthalmology) Physician1124688221
Verify Kumar Venkatachalam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01048257ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average gastroenterology physician in 2024
3,844 Medicare Part D claims for 1,215 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole708 claims
- Pantoprazole Sodium468 claims
- Gavilyte-G368 claims
- Dicyclomine Hcl302 claims
- Linzess161 claims
- Metoclopramide Hcl149 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: $1,579.51
89 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Community Care Network IncCrown Point, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kumar Venkatachalam among 372 gastroenterology physician records in Indiana
Kumar Venkatachalam, MD is one of 372 gastroenterology physician records with a practice address in Indiana. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1991 · median 2001 among the 272 with a school on file
- Record last updated2020 · 42% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Indiana
There are 372 gastroenterology physician records in Indiana.
All 372 in Indiana → Every provider in Merrillville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Muhammad Alsayid, M.D.Merrillville, IN 464101326356411
- Mark Fesenmyer, MDMerrillville, IN 464101992770390
- Rahul Julka, M.D.Merrillville, IN 464101235216425
- John Mirro, MDMerrillville, IN 464101689678955
- Ahmad Shughoury, MDMerrillville, IN 464101356343578
- Christine Bruno, MDValparaiso, IN 463831982770707
- Anish Chopra, MDValparaiso, IN 463831962616409
- Thomas Hall, M.D.Valparaiso, IN 463831568434959
Common questions
What is Kumar Venkatachalam, MD's NPI number?
Kumar Venkatachalam, MD's National Provider Identifier (NPI) is 1154325421, issued on Jun 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kumar Venkatachalam, MD located?
The NPPES record lists a practice address at 8895 Broadway, Merrillville, IN, 46410. Phone: (219) 738-2081. Providers update this record themselves, so call before visiting.
How can I verify Kumar Venkatachalam, MD's license?
NPPES lists Indiana license number 01048257A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kumar Venkatachalam, MD prescribe under Medicare Part D?
In 2024, Kumar Venkatachalam, MD had 3,844 Medicare Part D claims for 1,215 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.