Doctor profile · Federal record

Dr. Benjamin O'Brien, DO

Family Medicine Physician (CMS: Family Practice) · Bangor, ME

  • NPI 1851771364
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
895 Union St, Suite
Bangor, ME 04401
(207) 973-7973
fax (207) 945-9579
Mailing address
43 Whiting Hill Road, Suite 300
Brewer, ME 04412

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
July 9, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Maine #DO2744

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851771364. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
675
Distinct HCPCS
7
Medicare allowed
$38,903
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 225 122 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 186 99 $58
98927 Osteopathic manipulative treatment, 5-6 body regions 121 36 $43
99212 Established patient office or other outpatient visit, 10-19 minutes 65 48 $44
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 35 35 $31
98928 Osteopathic manipulative treatment, 7-8 body regions 25 13 $55
99215 Established patient office or other outpatient visit, 40-54 minutes 18 18 $78

In context: peer comparison

Among 21 peers in this city , average services per provider: 85. This provider delivers 7.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,452
Patients
435
Total drug cost
$123,155
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 184 56 $3,041
Lisinopril Generic 180 56 $1,186
Metoprolol Succinate Generic 156 42 $4,446
Losartan Potassium Generic 115 30 $1,470
Hydrochlorothiazide Generic 111 31 $540
Levothyroxine Sodium Generic 109 34 $2,110
Amlodipine Besylate Generic 91 25 $886
Pantoprazole Sodium Generic 87 32 $4,282
Eliquis (Apixaban) Brand 73 17 $96,327
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 69 28 $4,155

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin O'Brien's medical specialty?
Dr. Benjamin O'Brien practices Family Medicine Physician in Bangor, ME.
Where does Dr. Benjamin O'Brien practice?
Dr. Benjamin O'Brien practices at 895 Union St, Bangor, ME 04401. Office phone: 2079737973.
What is Dr. Benjamin O'Brien's NPI?
Dr. Benjamin O'Brien's National Provider Identifier (NPI) is 1851771364, issued by NPPES.
Does Dr. Benjamin O'Brien accept Medicare assignment?
Yes. Dr. Benjamin O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Osteopathic manipulative treatment, 5-6 body regions (HCPCS 98927). Source: CMS Medicare Physician & Other Practitioners file.