Doctor profile · Federal record

Dr. Sumit Walia, MD

Gastroenterology Physician (CMS: Gastroenterology) · Oklahoma City, OK

  • NPI 1295963247
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3366 Nw Expressway Ste 400
Oklahoma City, OK 73112
(405) 702-1300

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
May 16, 2018
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Oklahoma #29236

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295963247. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
690
Distinct HCPCS
10
Medicare allowed
$95,869
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 96 95 $236
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 82 81 $86
45380 Biopsy of large bowel using a flexible endoscope 76 76 $155
99204 New patient office or other outpatient visit, 45-59 minutes 65 65 $152
99213 Established patient office or other outpatient visit, 20-29 minutes 64 58 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 63 60 $118
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 57 57 $171
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 47 47 $123
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 39 39 $90
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 28 26 $73

In context: peer comparison

Among 31 peers in Oklahoma City Gastroenterology Physician, average services per provider: 48. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,483
Transactions
106
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 38 $592.94
Celgene Corporation 31 $300.90
Janssen Biotech, INC. 13 $142.81
Qol Medical, LLC 4 $91.29
Takeda Pharmaceuticals U.S.A., INC. 3 $56.67
Regeneron Healthcare Solutions, INC. 3 $54.59
Genzyme Corporation 3 $52.55
Merck Sharp & Dohme LLC 3 $46.75
Aimmune Therapeutics, INC. 2 $37.20
Celltrion USA INC. 1 $23.99
Lilly USA, LLC 1 $19.80
Ironwood Pharmaceuticals, INC 1 $18.12
Ardelyx, INC. 1 $16.14
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $15.00
Gilead Sciences, INC. 1 $14.28

By nature of payment

Food and Beverage
$1,459
Education
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,094
Patients
510
Total drug cost
$89,862
Drug Type Claims Patients Total cost
Omeprazole Generic 200 68 $2,631
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 181 178 $3,158
Pantoprazole Sodium Generic 120 33 $1,996
Famotidine Generic 79 22 $886
Colestipol Hcl Generic 76 34 $5,619
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 72 70 $5,637
Mesalamine Generic 69 14 $34,858
Metoclopramide Hcl Generic 51 12 $298
Dicyclomine Hcl Generic 47 16 $841
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 41 41 $713

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sumit Walia's medical specialty?
Dr. Sumit Walia practices Gastroenterology Physician in Oklahoma City, OK.
Where does Dr. Sumit Walia practice?
Dr. Sumit Walia practices at 3366 Nw Expressway Ste 400, Oklahoma City, OK 73112. Office phone: 4057021300.
What is Dr. Sumit Walia's NPI?
Dr. Sumit Walia's National Provider Identifier (NPI) is 1295963247, issued by NPPES.
Does Dr. Sumit Walia accept Medicare assignment?
Yes. Dr. Sumit Walia accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sumit Walia commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.