Quick answers
- Which hospitals does Michael Rosenzweig work at?
- Medicare's official clinician data lists Michael Rosenzweig at 1 hospital: Eisenhower Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Rosenzweig see patients?
- Medicare's clinician data lists 3 practice locations, including Duarte, CA and South Pasadena, CA. Call before your visit to confirm the address.
- What is Michael Rosenzweig's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Michael Rosenzweig accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Rosenzweig 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 Michael Rosenzweig offer telehealth?
- Medicare's clinician data says Michael Rosenzweig offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael Rosenzweig?
- (626) 256-4673, as listed in official Medicare / NPI Registry data.
- What is Michael Rosenzweig's NPI number?
- 1164470126. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael Rosenzweig works
Medicare's Facility Affiliation Data lists Michael Rosenzweig at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospital · CCN 050573
Practice locations
Addresses where Michael Rosenzweig is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 Duarte RdDuarte, CA 91010 (626) 256‑4673
- 1500 E Duarte RdDuarte, CA 91010
- 209 Fair Oaks AveSouth Pasadena, CA 91030 (626) 396‑2900
Group practices
Medicare enrollment lists Michael Rosenzweig as a member of this group (CMS data updated 2026-10-02).
- City of Hope Medical Foundation982 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Duarte
Clinicians with the same Medicare primary specialty in Duarte, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164470126 |
| 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