Quick answers
- Which hospitals does Peter M. Rosenberg work at?
- Medicare's official clinician data lists Peter M. Rosenberg at 1 hospital: Huntington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter M. Rosenberg see patients?
- Medicare's clinician data lists 1 practice location in Pasadena, CA. Call before your visit to confirm the address.
- What is Peter M. Rosenberg's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Peter M. Rosenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Peter M. Rosenberg 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 Peter M. Rosenberg offer telehealth?
- Medicare's clinician data says Peter M. Rosenberg offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Peter M. Rosenberg?
- (626) 793-7114, as listed in official Medicare / NPI Registry data.
- What is Peter M. Rosenberg's NPI number?
- 1104890664. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter M. Rosenberg works
Medicare's Facility Affiliation Data lists Peter M. Rosenberg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Huntington HospitalPasadena, CA · Acute Care Hospital · CCN 050438
Practice locations
Addresses where Peter M. Rosenberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 50 Alessandro Pl, Suite 410Pasadena, CA 91105 (626) 793‑7114
Group practices
Medicare enrollment lists Peter M. Rosenberg as a member of this group (CMS data updated 2026-10-02).
- Genesis Healthcare Partners PC228 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Pasadena
Clinicians with the same Medicare primary specialty in Pasadena, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104890664 |
| 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