Quick answers
- Does Umair A. Siddiqi accept Medicare assignment?
- Yes. Medicare's clinician data says Umair A. Siddiqi 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.
- What is Umair A. Siddiqi's NPI number?
- 1922739556. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Umair A. Siddiqi works
Medicare's Facility Affiliation Data lists Umair A. Siddiqi 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.
- Montefiore Medical CenterBronx, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330059
- Montefiore St Luke's CornwallNewburgh, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330264
Practice locations
Addresses where Umair A. Siddiqi is enrolled with Medicare (CMS data updated October 2, 2026).
- 15 Laurel Ave, Suite 100Cornwall, NY 12518 (845) 458‑9000
- 19 Laurel AveCornwall, NY 12518
- 300 Crystal Run RdMiddletown, NY 10941 (845) 692‑6999
- 70 Dubois St, Fl 5Newburgh, NY 12550
Group practices
Medicare enrollment lists Umair A. Siddiqi as a member of these groups (CMS data updated October 2, 2026).
- Crystal Run Healthcare Physicians LLP362 clinicians in the group
- Hudson Vista Medical PC44 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Cornwall
Clinicians with the same Medicare primary specialty in Cornwall, NY — not a recommendation.
Other clinicians in Crystal Run Healthcare Physicians LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922739556 |
| 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
- 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