NPPES file of Aug 9, 2026

Mahesh Vadali, M.D.

Gastroenterology Physician · Oak Lawn, IL

Mahesh Vadali, M.D. is a gastroenterology physician with a practice address in Oak Lawn, Illinois, and NPI 1003836727, issued on Jul 19, 2006. Check the license (Illinois 036086617, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003836727
Name
Mahesh Vadali
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
036086617 IL
Self-reported in NPPES; status is on the state search
Practice location
10458 S Pulaski RD, Oak Lawn, IL 60453
Phone
(708) 636-1818
Enumerated
Jul 19, 2006
Record last updated
Dec 31, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(708) 636-2151
Medicaid ID
036086617 IL
Medicare enrollment
Enrolled (PECOS I20050317000110); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 10458 S Pulaski RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rajalaxmi McKenna, M.D.Hematology & Oncology Physician1073539680
  2. Megan Okon, APNFamily Nurse Practitioner1407304884
  3. Tintu Tellence, FNP-CFamily Nurse Practitioner1265911796
  4. Indira Vadali, M.D.Internal Medicine Physician1619997335
  5. S Venkataraman, M.D.Gastroenterology Physician1154347748

Verify Mahesh Vadali in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036086617
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.9 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,332 Medicare Part D claims for 754 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Mahesh Vadali2,332
  2. Specialty average811

Most prescribed

  1. Famotidine1,134 claims
  2. Gavilyte-G240 claims
  3. Omeprazole222 claims
  4. Peg 3350-Electrolyte177 claims
  5. Pantoprazole Sodium146 claims
  6. Peg-3350 And Electrolytes74 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.

Bills Medicare through one group practice

  1. Southwest Medical Consultants SCOak Lawn, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mahesh Vadali among 887 gastroenterology physician records in Illinois

Mahesh Vadali, M.D. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 52% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1991 · median 2003 among the 643 with a school on file
  • Record last updated2021 · 49% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Illinois

There are 887 gastroenterology physician records in Illinois.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Thomas Arndt, MDOak Lawn, IL 604531487614210
  2. Kamran Ayub, MDOak Lawn, IL 604531942317243
  3. Brian Blumenstein, MDOak Lawn, IL 604531194784645
  4. Michael Dastice, MDOak Lawn, IL 604531952358939
  5. Imad Elkhatib, M.DOak Lawn, IL 604531326204991
  6. Wayne Lue, MDOak Lawn, IL 604531922068428
  7. Vincent Muscarello, MDOak Lawn, IL 604531134188675
  8. Samir Patel, MDOak Lawn, IL 604531982664736

Common questions

What is Mahesh Vadali, M.D.'s NPI number?

Mahesh Vadali, M.D.'s National Provider Identifier (NPI) is 1003836727, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mahesh Vadali, M.D. located?

The NPPES record lists a practice address at 10458 S Pulaski RD, Oak Lawn, IL, 60453. Phone: (708) 636-1818. Providers update this record themselves, so call before visiting.

How can I verify Mahesh Vadali, M.D.'s license?

NPPES lists Illinois license number 036086617, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mahesh Vadali, M.D. prescribe under Medicare Part D?

In 2024, Mahesh Vadali, M.D. had 2,332 Medicare Part D claims for 754 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.