Quick answers
- Which hospitals does Cean Mahmud work at?
- Medicare's official clinician data lists Cean Mahmud at 2 hospitals: Peconic Bay Medical Center and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Cean Mahmud see patients?
- Medicare's clinician data lists 8 practice locations, including New York, NY, Manhasset, NY and Bay Shore, NY. Call before your visit to confirm the address.
- What is Cean Mahmud's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Cean Mahmud accept Medicare assignment?
- Yes. Medicare's clinician data says Cean Mahmud accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Cean Mahmud offer telehealth?
- Medicare's clinician data says Cean Mahmud offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Cean Mahmud?
- (212) 263-9700, as listed in official Medicare / NPI Registry data.
- What is Cean Mahmud's NPI number?
- 1285165134. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cean Mahmud works
Medicare's Facility Affiliation Data lists Cean Mahmud at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · CCN 330107
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where Cean Mahmud is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 300 Community DrManhasset, NY 11030
- 300 Community Dr LlManhasset, NY 11030 (516) 562‑2229
- 301 E Main StBay Shore, NY 11706
- 31 Main Rd, Suite 1Riverhead, NY 11901 (631) 722‑4400
Group practices
Medicare enrollment lists Cean Mahmud as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- New York University6,134 clinicians in the group
- Peconic Bay Primary Medical Care71 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285165134 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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