Quick answers
- Does Hassan A. Siddiki accept Medicare assignment?
- Yes. Medicare's clinician data says Hassan A. Siddiki accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Hassan A. Siddiki see?
- In 2024, CMS data shows 300 Original Medicare patients and 654 services for Hassan A. Siddiki. This counts Original Medicare only and measures volume, not quality.
- What is Hassan A. Siddiki's NPI number?
- 1922263516. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Hassan A. Siddiki, 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.
| Original Medicare patients | 300 |
|---|---|
| Services billed to Medicare | 654 |
| Different services or procedures | 70 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Review by radiologist of image from tube placement into bile duct using an endoscope (74328)91 services
- Removal of stone or debris from bile or pancreatic duct using a flexible endoscope (43264)45 services
- Insertion of stent into pancreatic or bile duct using a flexible endoscope (43274)43 services
- Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope (43238)41 services
- Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43235)34 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%
- Arthritis49%
- Diabetes44%
- Chronic kidney disease42%
- Ischemic heart disease41%
Hospitals where Hassan A. Siddiki works
Medicare's Facility Affiliation Data lists Hassan A. Siddiki 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.
- Cleveland ClinicCleveland, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360180
- Fairview HospitalCleveland, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360077
- Indiana University Health Arnett HospitalLafayette, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150173
Practice locations
Addresses where Hassan A. Siddiki is enrolled with Medicare (CMS data updated October 2, 2026).
- 9500 Euclid AveCleveland, OH 44195 (216) 444‑2200
Group practices
Medicare enrollment lists Hassan A. Siddiki as a member of this group (CMS data updated October 2, 2026).
- Cleveland Clinic7,090 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Cleveland
Clinicians with the same Medicare primary specialty in Cleveland, OH — not a recommendation.
Other clinicians in Cleveland Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2005 (21 years since medical school) |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1922263516 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians