MAHESH VADALI (M.D.) – Gastroenterology Physician, NPI 1003836727
Gastroenterology Physician
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Profile Insights
NPPES metrics only — not quality of care.
978 GASTROENTEROLOGY in IL
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Provider Addresses for MAHESH VADALI (M.D.)
PO BOX 388320
CHICAGO, IL 606388320
Phone: (773) 767-4600
Fax: (773) 767-8320
Type: Mailing
10458, South Pulaski Road, Oak Lawn, Worth Township, Cook County, Illinois, 60453, United States
OAK LAWN, IL 604534933
Phone: (708) 636-1818
Fax: (708) 636-2151
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-03-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050317000110 | I | Gastroenterology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 269 | 186 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 106 | 106 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 53 | 51 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 35 | 35 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 27 | 24 | $0 |
Insurance plans in this area (ZIP 60638)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Gastroenterology, Internal Medicine | IL |
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