Doctor profile · Federal record

Dr. S Venkataraman, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Oak Lawn, IL

  • NPI 1154347748
  • Accepts Medicare
  • MIPS 49.0 / 100 · 2023
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10458 S Pulaski RD
Oak Lawn, IL 604534933
(708) 636-1818
fax (708) 636-2151

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 30, 2021
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #036067578
Medicaid
IL #036067578

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154347748. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,298
Distinct HCPCS
10
Medicare allowed
$120,498
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 313 158 $94
36415 Insertion of needle into vein for collection of blood sample 257 94 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 102 64 $187
99203 New patient office or other outpatient visit, 30-44 minutes 100 100 $118
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 96 22 $83
45380 Biopsy of large bowel using a flexible endoscope 81 81 $133
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 79 12 $24
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 51 51 $265
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 49 47 $110
99212 Established patient office or other outpatient visit, 10-19 minutes 33 24 $59

In context: peer comparison

Among 7 peers in this city , average services per provider: 65. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$176
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., Inc. 4 $71.28
Ardelyx, Inc. 3 $47.11
INTUITIVE SURGICAL, INC. 1 $41.44
Madrigal Pharmaceuticals 1 $16.36

By nature of payment

Food and Beverage
$176

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,082
Patients
575
Total drug cost
$23,219
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 313 305 $6,731
Simvastatin Generic 106 28 $1,510
Omeprazole Generic 78 41 $1,134
Atorvastatin Calcium Generic 69 22 $1,157
Amlodipine Besylate Generic 68 21 $1,386
Pantoprazole Sodium Generic 61 28 $1,151
Lisinopril Generic 47 11 $696
Telmisartan Generic 47 12 $2,709
Allopurinol Generic 45 14 $1,935
Famotidine Generic 45 23 $707

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. S Venkataraman's medical specialty?
Dr. S Venkataraman practices Gastroenterology Physician in Oak Lawn, IL.
Where does Dr. S Venkataraman practice?
Dr. S Venkataraman practices at 10458 S Pulaski RD, Oak Lawn, IL 604534933. Office phone: 7086361818.
What is Dr. S Venkataraman's NPI?
Dr. S Venkataraman's National Provider Identifier (NPI) is 1154347748, issued by NPPES.
Does Dr. S Venkataraman accept Medicare assignment?
Yes. Dr. S Venkataraman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. S Venkataraman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.