Quick answers
- Does Nadir Siddiqui accept Medicare assignment?
- Yes. Medicare's clinician data says Nadir Siddiqui 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 Nadir Siddiqui's NPI number?
- 1821578451. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nadir Siddiqui works
Medicare's Facility Affiliation Data lists Nadir 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.
- Elliot HospitalManchester, NH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 300012
Practice locations
Addresses where Nadir Siddiqui is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Elliot WayManchester, NH 03103
- 185 Queen City AveManchester, NH 03101
- One Elliot Way, 100 Elliot Cardiovascular ConsultantsManchester, NH 03103 (603) 627‑1669
Group practices
Medicare enrollment lists Nadir Siddiqui as a member of this group (CMS data updated October 2, 2026).
- Elliot Professional Services427 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in New Hampshire
Clinicians with the same Medicare primary specialty in New Hampshire — not a recommendation.
Other clinicians in Elliot Professional Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 (12 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) | 1821578451 |
| 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