Benjamin O'Brien, DO
NPI 1851771364 · Family Medicine Physician · Bangor, ME
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin O'Brien, DO is a Family Medicine Physician provider in Bangor, ME (NPI 1851771364).
Provider details
- NPI number
- 1851771364
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO2744 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
720 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 222 | $73 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 182 | $58 |
| Osteopathic Manipulative Treatment, 5-6 Body Regions98927 | 141 | $42 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 37 | $47 |
| Osteopathic Manipulative Treatment, 7-8 Body Regions98928 | 33 | $55 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 180 | 56 |
| Lisinopril | 176 | 51 |
| Metoprolol Succinate | 144 | 41 |
| Levothyroxine Sodium | 124 | 34 |
| Losartan Potassium | 107 | 29 |
| Hydrochlorothiazide | 106 | 33 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-01
- Last updated
- 2018-07-09
Frequently asked questions
- What is Benjamin O'Brien's NPI number?
- Benjamin O'Brien's National Provider Identifier (NPI) is 1851771364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin O'Brien's specialty?
- Benjamin O'Brien is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin O'Brien located?
- Benjamin O'Brien's practice location on file with NPPES is 895 Union St, Bangor, ME 04401.
- What is Benjamin O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Benjamin O'Brien is (207) 973-7973.
- Does Benjamin O'Brien accept Medicare?
- Benjamin O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin O'Brien's NPI active?
- Yes — Benjamin O'Brien's NPI (1851771364) is active in the NPPES registry as of the last update on 2018-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.