Adnan H. Siddiqui, MD

Medicare activity in 2024

Official CMS public-use data for Adnan H. Siddiqui, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Ultrasound of both sides of head and neck blood flow (93880)867 services
2. Complete ultrasound of within the brain blood flow (93886)88 services
3. Ultrasound of within the brain blood flow following medication (93890)45 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)45 services
5. Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)31 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Stroke or mini-stroke60%
• Ischemic heart disease50%
• Arthritis49%
• Chronic kidney disease41%

Hospitals where Adnan H. Siddiqui works

Medicare's Facility Affiliation Data lists Adnan H. Siddiqui at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005
• Niagara Falls Memorial Medical CenterNiagara Falls, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330065
• Olean General HospitalOlean, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330103

Practice locations

Addresses where Adnan H. Siddiqui is enrolled with Medicare (CMS data updated October 2, 2026).

• 1001 Main St, Fl 4Buffalo, NY 14203 (716) 218‑1000
• 40 George Karl Blvd, Suite 200Amherst, NY 14221 (716) 218‑1000

Group practices

Medicare enrollment lists Adnan H. Siddiqui as a member of this group (CMS data updated October 2, 2026).

• University at Buffalo Neurosurgery Inc71 clinicians in the group

Specialties

• Neurosurgeryprimary

Find other Neurosurgery doctors in New York →

Other neurosurgeons in Buffalo

Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.

• Alexander Becker, MD
• Andrew J. Fabiano, MD
• Renee M. Reynolds, MD
• Eric P. Roger, MD
• Robert A. Fenstermaker, MD
• Paul J. Lewis, MD
• Hanna N. Algattas, MD
• Elad I. Levy, MD

All neurosurgeons in Buffalo →

Other clinicians in University at Buffalo Neurosurgery Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Jafar W. Siddiqui, MD
• Kristin M. Campanie
• Lauren Chaffey, PA
• David E. Farmer Ii, PA
• Sabrina Santana, PA
• Lauren K. Szymanski, PA

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians