S VENKATARAMAN (M.D.) – Gastroenterology Physician, NPI 1154347748
Gastroenterology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
978 GASTROENTEROLOGY in IL
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Provider Addresses for S VENKATARAMAN (M.D.)
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
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $499.
Total Amount is formed as General ($499) + Research ($0) + Ownership ($0) = $499.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Braintree Laboratories, Inc. ($166).
Total Amount
$499
General + Research + Ownership
Payments
16
Total payment records
General Amount
$499
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
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)
Past revalidation due date
Earliest CMS due date was 2023-10-31 (951 days ago).
Enrollment records
1
Earliest due date
2023-10-31
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 |
|---|---|---|---|---|
| I20050317000090 | I | Gastroenterology | IL | 2023-10-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 313 | 158 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 257 | 94 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 102 | 64 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 100 | 100 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 96 | 22 | $0 |
Insurance plans in this area (ZIP 60453)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | IL | |
| - | IL |
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