Quick answers
- Which hospitals does Arul Mahadevan work at?
- Medicare's official clinician data lists Arul Mahadevan at 4 hospitals: Frisbie Memorial Hospital, Huggins Hospital, Wentworth-Douglass Hospital and York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Arul Mahadevan see patients?
- Medicare's clinician data lists 3 practice locations, including Manchester, NH, Lowell, MA and Dover, NH. Call before your visit to confirm the address.
- What is Arul Mahadevan's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Arul Mahadevan accept Medicare assignment?
- Yes. Medicare's clinician data says Arul Mahadevan 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 Arul Mahadevan?
- (603) 663-1800, as listed in official Medicare / NPI Registry data.
- What is Arul Mahadevan's NPI number?
- 1326148487. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Arul Mahadevan works
Medicare's Facility Affiliation Data lists Arul Mahadevan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Frisbie Memorial HospitalRochester, NH · Acute Care Hospital · CCN 300014
- Huggins HospitalWolfeboro, NH · Critical Access Hospital · CCN 301312
- Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · CCN 300018
- York HospitalYork, ME · Acute Care Hospital · CCN 200020
Practice locations
Addresses where Arul Mahadevan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Elliot WayManchester, NH 03103 (603) 663‑1800
- 1 Hospital DrLowell, MA 01852 (978) 934‑8457
- 789 Central AveDover, NH 03820 (603) 742‑8787
Group practices
Medicare enrollment lists Arul Mahadevan as a member of this group (CMS data updated 2026-10-02).
- Radiation Oncology Associates, PA23 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Manchester
Clinicians with the same Medicare primary specialty in Manchester, NH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326148487 |
| 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