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Family Practice

Benjamin H. O'Brien, DO

Works at hospitals in Bangor, ME · Ellsworth, ME · Maine

Summary

Benjamin H. O'Brien, DO (Family Practice) is listed by Medicare at 2 hospitals in Bangor, ME and Ellsworth, ME. NPI 1851771364. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Benjamin H. O'Brien, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
University Of New England, College Of Osteo MedicineMedical school
MaleGender (as listed)
Maine Coast Regional Health FacilitiesGroup practice

Quick answers

Which hospitals does Benjamin H. O'Brien work at?
Medicare's official clinician data lists Benjamin H. O'Brien at 2 hospitals: Northern Light Eastern Maine Medical Center and Northern Light Maine Coast Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Benjamin H. O'Brien see patients?
Medicare's clinician data lists 2 practice locations, including Gouldsboro, ME and Ellsworth, ME. Call before your visit to confirm the address.
What is Benjamin H. O'Brien's specialty?
Medicare lists Family Practice as the primary specialty.
Does Benjamin H. O'Brien accept Medicare assignment?
Yes. Medicare's clinician data says Benjamin H. O'Brien 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 Benjamin H. O'Brien?
(207) 963-4066, as listed in official Medicare / NPI Registry data.
What is Benjamin H. O'Brien's NPI number?
1851771364. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Benjamin H. O'Brien works

Medicare's Facility Affiliation Data lists Benjamin H. O'Brien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Benjamin H. O'Brien is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Benjamin H. O'Brien as a member of this group (CMS data updated 2026-10-02).

  • Maine Coast Regional Health Facilities66 clinicians in the group

Specialties

Find other Family Practice doctors in Maine →

Other family doctors in Maine

Clinicians with the same Medicare primary specialty in Maine — not a recommendation.

All family doctors in Maine →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851771364
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians