Quick answers
- Which hospitals does Ion D. Grosu work at?
- Medicare's official clinician data lists Ion D. Grosu at 2 hospitals: Northern Light Eastern Maine Medical Center and Northern Light Mayo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ion D. Grosu see patients?
- Medicare's clinician data lists 1 practice location in Bangor, ME. Call before your visit to confirm the address.
- What is Ion D. Grosu's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Ion D. Grosu accept Medicare assignment?
- Yes. Medicare's clinician data says Ion D. Grosu 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 Ion D. Grosu?
- (207) 973-7000, as listed in official Medicare / NPI Registry data.
- What is Ion D. Grosu's NPI number?
- 1255573242. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ion D. Grosu works
Medicare's Facility Affiliation Data lists Ion D. Grosu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northern Light Eastern Maine Medical CenterBangor, ME · Acute Care Hospital · CCN 200033
- Northern Light Mayo HospitalDover Foxcroft, ME · Critical Access Hospital · CCN 201309
Practice locations
Addresses where Ion D. Grosu is enrolled with Medicare (CMS data updated 2026-10-02).
- 489 State StBangor, ME 04401 (207) 973‑7000
Group practices
Medicare enrollment lists Ion D. Grosu as a member of this group (CMS data updated 2026-10-02).
- Eastern Maine Medical Center624 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Bangor
Clinicians with the same Medicare primary specialty in Bangor, ME — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255573242 |
| 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