Doctor profile · Federal record

Dr. MOHAMMAD FAYYAZ, MD

Gastroenterology Physician (CMS: GASTROENTEROLOGY) · Gastroenterology Physician · CHICAGO, IL

  • NPI 1992731616
  • Accepts Medicare
  • 36 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1009 S WOOD ST
CHICAGO, IL 606123747
(312) 996-3800
Additional location
325 Essjay Rd
Williamsville, NY 142218243
(716) 631-2517
fax (716) 634-5650
Additional location
3900 N Buffalo St
Orchard Park, NY 141271842
(716) 631-2517
fax (716) 634-5650
Show 1 more location
Additional location
85 High St
Buffalo, NY 142031149
(716) 631-2517
fax (716) 634-5650
Mailing address
425 ESSJAY RD STE 170
WILLIAMSVILLE, NY 142218235

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 28, 2024
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Illinois #036.172365 · New York #2044462-1
Medicaid
NY #01610186

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992731616. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
659
Distinct HCPCS
9
Medicare allowed
$57,559
HCPCS Description Services Patients Avg allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 168 161 $5
99213 Established patient office or other outpatient visit, 20-29 minutes 141 134 $87
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 94 91 $79
99203 New patient office or other outpatient visit, 30-44 minutes 71 71 $109
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 67 67 $234
45380 Biopsy of large bowel using a flexible endoscope 61 61 $104
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 22 21 $111
99214 Established patient office or other outpatient visit, 30-39 minutes 21 19 $121
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $162

In context: peer comparison

Among 70 peers in this city , average services per provider: 239. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$444
Transactions
25
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 21 $336.08
Takeda Pharmaceuticals U.S.A., Inc. 2 $49.16
GENZYME CORPORATION 1 $35.75
Gilead Sciences, Inc. 1 $23.39

By nature of payment

Food and Beverage
$444

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,481
Patients
647
Total drug cost
$183,516
Drug Type Claims Patients Total cost
Famotidine Generic 870 226 $9,805
Pantoprazole Sodium Generic 567 148 $6,844
Lansoprazole Generic 319 84 $8,912
Omeprazole Generic 278 72 $2,570
Linzess (Linaclotide) Brand 68 14 $40,156
Mesalamine Generic 65 16 $56,400
Ondansetron Odt (Ondansetron) Brand 53 29 $2,458
Cholestyramine (Cholestyramine (With Sugar)) Brand 47 15 $3,449
Dicyclomine Hcl Generic 41 15 $1,462
Dexlansoprazole Dr (Dexlansoprazole) Brand 34 0 $13,859