Mohammad Fayyaz, MD
NPI 1992731616 · Gastroenterology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mohammad Fayyaz, MD is a Gastroenterology Physician provider in Chicago, IL (NPI 1992731616).
Provider details
- NPI number
- 1992731616
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2044462-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
630 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| 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 MonitoG0500 | 181 | $5 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 107 | $66 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 95 | $232 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 53 | $82 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 48 | $102 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 936 | 233 |
| Pantoprazole Sodium | 632 | 169 |
| Lansoprazole | 332 | 88 |
| Omeprazole | 329 | 84 |
| Mesalamine | 87 | 14 |
| Linaclotidebrand: Linzess | 66 | 14 |
| Dicyclomine Hcl | 52 | 18 |
| Ondansetronbrand: Ondansetron Odt |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$444 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 85 High StBuffalo, NY 14203-1149Phone: (716) 631-2517Fax: (716) 634-5650
- 3900 N Buffalo StOrchard Park, NY 14127-1842Phone: (716) 631-2517Fax: (716) 634-5650
- 325 Essjay RdWilliamsville, NY 14221-8243Phone: (716) 631-2517Fax: (716) 634-5650
Registry dates
- Enumerated
- 2006-06-24
- Last updated
- 2024-10-28
- Certified
- 2024-10-28
Frequently asked questions
- What is Mohammad Fayyaz's NPI number?
- Mohammad Fayyaz's National Provider Identifier (NPI) is 1992731616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mohammad Fayyaz's specialty?
- Mohammad Fayyaz is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mohammad Fayyaz located?
- Mohammad Fayyaz's practice location on file with NPPES is 1009 S Wood St, Chicago, IL 60612-3747.
- What is Mohammad Fayyaz's phone number?
- The practice phone number listed in the NPPES registry for Mohammad Fayyaz is (312) 996-3800.
- Does Mohammad Fayyaz accept Medicare?
- Mohammad Fayyaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mohammad Fayyaz's NPI active?
- Yes — Mohammad Fayyaz's NPI (1992731616) is active in the NPPES registry as of the last update on 2024-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.