Quick answers
- Which hospitals does Sumit Chowdhery work at?
- Medicare's official clinician data lists Sumit Chowdhery at 3 hospitals: John T Mather Memorial Hospital of Port Jefferson, St Catherine of Siena Hospital and St Charles Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sumit Chowdhery see patients?
- Medicare's clinician data lists 1 practice location in Mount Sinai, NY. Call before your visit to confirm the address.
- What is Sumit Chowdhery's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Sumit Chowdhery accept Medicare assignment?
- Yes. Medicare's clinician data says Sumit Chowdhery 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 Sumit Chowdhery offer telehealth?
- Medicare's clinician data says Sumit Chowdhery offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sumit Chowdhery?
- (631) 331-4403, as listed in official Medicare / NPI Registry data.
- What is Sumit Chowdhery's NPI number?
- 1972799195. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sumit Chowdhery works
Medicare's Facility Affiliation Data lists Sumit Chowdhery at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · CCN 330185
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · CCN 330401
- St Charles HospitalPort Jefferson, NY · Acute Care Hospital · CCN 330246
Practice locations
Addresses where Sumit Chowdhery is enrolled with Medicare (CMS data updated 2026-10-02).
- 701 Route 25a, Suite B1Mount Sinai, NY 11766 (631) 331‑4403
Group practices
Medicare enrollment lists Sumit Chowdhery as a member of this group (CMS data updated 2026-10-02).
- CHS Physician Partners PC743 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1972799195 |
| 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