Quick answers
- Which hospitals does Jason Greenman work at?
- Medicare's official clinician data lists Jason Greenman at 2 hospitals: Bridgeport Hospital and Norwalk Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jason Greenman see patients?
- Medicare's clinician data lists 1 practice location in Norwalk, CT. Call before your visit to confirm the address.
- What is Jason Greenman's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Jason Greenman accept Medicare assignment?
- Yes. Medicare's clinician data says Jason Greenman 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 Jason Greenman?
- (203) 852-2810, as listed in official Medicare / NPI Registry data.
- What is Jason Greenman's NPI number?
- 1659620565. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason Greenman works
Medicare's Facility Affiliation Data lists Jason Greenman 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
- Norwalk HospitalNorwalk, CT · Acute Care Hospital · CCN 070034
Practice locations
Addresses where Jason Greenman is enrolled with Medicare (CMS data updated 2026-10-02).
- 24 Stevens StNorwalk, CT 06850 (203) 852‑2810
Group practices
Medicare enrollment lists Jason Greenman as a member of this group (CMS data updated 2026-10-02).
- Norwalk Hospital Association16 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Norwalk
Clinicians with the same Medicare primary specialty in Norwalk, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659620565 |
| 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