Quick answers
- Which hospitals does Derek A. Mumaw work at?
- Medicare's official clinician data lists Derek A. Mumaw at 1 hospital: Saint Anne's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Derek A. Mumaw see patients?
- Medicare's clinician data lists 1 practice location in Fall River, MA. Call before your visit to confirm the address.
- What is Derek A. Mumaw's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Radiation Oncology.
- Does Derek A. Mumaw accept Medicare assignment?
- Medicare's clinician data says Derek A. Mumaw may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Derek A. Mumaw?
- (508) 674-5600, as listed in official Medicare / NPI Registry data.
- What is Derek A. Mumaw's NPI number?
- 1013532449. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Derek A. Mumaw works
Medicare's Facility Affiliation Data lists Derek A. Mumaw at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Anne's HospitalFall River, MA · Acute Care Hospital · CCN 220020
Practice locations
Addresses where Derek A. Mumaw is enrolled with Medicare (CMS data updated 2026-10-02).
- 795 Middle StFall River, MA 02721 (508) 674‑5600
Group practices
Medicare enrollment lists Derek A. Mumaw as a member of this group (CMS data updated 2026-10-02).
- Lifespan Physician Group of Massachusetts Inc476 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Radiation Oncologyalso
Other hematologist-oncologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hofstra North Shore - Lij School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1013532449 |
| 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