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 .
- 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 - 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
Show 1 more location
Credentials & registration
- 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
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
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 Chicago Gastroenterology Physician, average services per provider: 239. This provider delivers 2.8× the peer median.Open Payments
Industry payments received
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
Medicare Part D · 2023
Top prescriptions
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 |
Frequently asked questions
What is Dr. Mohammad Fayyaz's medical specialty?
Dr. Mohammad Fayyaz practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Mohammad Fayyaz practice?
Dr. Mohammad Fayyaz practices at 1009 S Wood St, Chicago, IL 606123747. Office phone: 3129963800.
What is Dr. Mohammad Fayyaz's NPI?
Dr. Mohammad Fayyaz's National Provider Identifier (NPI) is 1992731616, issued by NPPES.
Does Dr. Mohammad Fayyaz accept Medicare assignment?
Yes. Dr. Mohammad Fayyaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mohammad Fayyaz commonly perform?
Top Medicare-reported procedures in 2023: 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 (HCPCS G0500); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.