Quick answers
- Which hospitals does Prejin Upadhyay work at?
- Medicare's official clinician data lists Prejin Upadhyay at 3 hospitals: Bridgeport Hospital, Griffin Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Prejin Upadhyay see patients?
- Medicare's clinician data lists 2 practice locations, including Bridgeport, CT and Milford, CT. Call before your visit to confirm the address.
- What is Prejin Upadhyay's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Prejin Upadhyay accept Medicare assignment?
- Yes. Medicare's clinician data says Prejin Upadhyay 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.
- What is the phone number for Prejin Upadhyay?
- (203) 384-3000, as listed in official Medicare / NPI Registry data.
- What is Prejin Upadhyay's NPI number?
- 1831824671. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Prejin Upadhyay works
Medicare's Facility Affiliation Data lists Prejin Upadhyay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bridgeport HospitalBridgeport, CT · Acute Care Hospital · CCN 070010
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Prejin Upadhyay is enrolled with Medicare (CMS data updated 2026-10-02).
- 267 Grant StBridgeport, CT 06610 (203) 384‑3000
- 300 Seaside AveMilford, CT 06460 (203) 301‑6261
Group practices
Medicare enrollment lists Prejin Upadhyay as a member of this group (CMS data updated 2026-10-02).
- Northeast Medical Group Inc1,360 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Bridgeport
Clinicians with the same Medicare primary specialty in Bridgeport, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831824671 |
| 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