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.
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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

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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).

Gastroenterology Physician providers in Illinois

There are 887 gastroenterology physician records in Illinois.

All 887 in Illinois → Every provider in Oak Lawn →

Other gastroenterology physician records in Illinois

  1. Abdul Aadam, M.D.Chicago, IL1013038744
  2. Richard Aaronson, M.D.Olympia Fields, IL1578520656
  3. Abdelhai Abdelqader, MDMaywood, IL1073931127
  4. Mustafa Abdul-Hussein, MDMattoon, IL1972759173
  5. Abdullah AbdussalamDes Plaines, IL1932442613
  6. Ayokunle Abegunde, M.D.Maywood, IL1194031435
  7. Majd Aboona, MDChicago, IL1386347789
  8. James Abraham, MDNaperville, IL1427276732
  9. Rana Abraham, M.D., M.S.Chicago, IL1437318516
  10. Frida Abrahamian, MDChicago, IL1447274279

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.