Quick answers
- Which hospitals does Brian J. Keroack work at?
- Medicare's official clinician data lists Brian J. Keroack at 5 hospitals: MaineHealth Maine Medical Center, MaineHealth Mid Coast Hospital, MaineHealth Stephens Hospital, The Memorial Hospital and York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian J. Keroack see patients?
- Medicare's clinician data lists 3 practice locations, including York, ME and Portland, ME. Call before your visit to confirm the address.
- What is Brian J. Keroack's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Brian J. Keroack accept Medicare assignment?
- Yes. Medicare's clinician data says Brian J. Keroack 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 Brian J. Keroack?
- (207) 351-3975, as listed in official Medicare / NPI Registry data.
- What is Brian J. Keroack's NPI number?
- 1891788659. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian J. Keroack works
Medicare's Facility Affiliation Data lists Brian J. Keroack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
- MaineHealth Mid Coast HospitalBrunswick, ME · Acute Care Hospital · CCN 200021
- MaineHealth Stephens HospitalNorway, ME · Critical Access Hospital · CCN 201315
- The Memorial HospitalNorth Conway, NH · Critical Access Hospital · CCN 301307
- York HospitalYork, ME · Acute Care Hospital · CCN 200020
Practice locations
Addresses where Brian J. Keroack is enrolled with Medicare (CMS data updated 2026-10-02).
- 12 Hospital Dr, Suite CYork, ME 03909 (207) 351‑3975
- 15 Hospital DrYork, ME 03909 (207) 363‑4321
- 51 Sewall StPortland, ME 04102 (207) 774‑5761
Group practices
Medicare enrollment lists Brian J. Keroack as a member of these groups (CMS data updated 2026-10-02).
- York Hospital198 clinicians in the group
- Rheumatology Associates P.A.10 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891788659 |
| 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