MAHESH VADALI M.D.
NPI 1003836727
Internal Medicine - Gastroenterology in Oak Lawn, IL
About Mahesh Vadali M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAHESH VADALI M.D. (NPI 1003836727) is an individual gastroenterology provider in Oak Lawn, Illinois, licensed in Illinois (036086617) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Osf Little Company Of Mary Medical Center, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mahesh Vadali M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mahesh Vadali reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Southwest Medical Consultants Sc
- 5 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Osf Little Company Of Mary Medical Center
Acute Care Hospitals · Evergreen Park, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAK LAWN, IL 60453
OAK LAWN, IL 60453
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mahesh Vadali's NPI number?
The NPI number for Mahesh Vadali is 1003836727. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Mahesh Vadali located?
Mahesh Vadali practices at 10458 S Pulaski Rd, Oak Lawn, IL 60453. The listed phone number is (708) 636-1818.
What is Mahesh Vadali's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Mahesh Vadali enrolled in Medicare?
Yes. Mahesh Vadali is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mahesh Vadali's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mahesh Vadali reassigns Medicare benefits to Southwest Medical Consultants, S.C. (Oak Lawn, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mahesh Vadali's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mahesh Vadali accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Mahesh Vadali as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mahesh Vadali affiliated with any hospitals?
According to CMS data, Mahesh Vadali is affiliated with Osf Little Company Of Mary Medical Center and Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Mahesh Vadali was last updated on December 31, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mahesh Vadali, M.D. · NPI 1003836727
Gastroenterology physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since July 19, 2006.
## Identity
- **NPI:** 1003836727 (Entity type: Individual)
- **Enumerated:** July 19, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 036086617 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 10458 S PULASKI RD, Oak Lawn, IL 60453-4933
- **Phone:** (708) 636-1818 · **Fax:** (708) 636-2151
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southwest Medical Consultants, S.C. (NPI 1265458889, Oak Lawn, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** December 31, 2021
- **Other identifiers:** Medicaid 036086617 (IL); Other 110152131; Other 0031601474 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1003836727) · Data from the CMS NPPES public registry.