Doctor profile · Federal record

Dr. Sean O'Sullivan, DO

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

  • NPI 1285073205
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
153 US Route 1
Scarborough, ME 040749052
(207) 799-8596
Mailing address
Po Box 9746
Portland, ME 041045040

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
September 28, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Maine #DO2641

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285073205. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
611
Distinct HCPCS
10
Medicare allowed
$24,672
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 100 64 $6
99214 Established patient office or other outpatient visit, 30-39 minutes 91 60 $90
99213 Established patient office or other outpatient visit, 20-29 minutes 87 54 $71
80053 Blood test, comprehensive group of blood chemicals 64 55 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 56 56 $56
80061 Blood test, lipids (cholesterol and triglycerides) 46 45 $13
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 31 24 $8
83036 Hemoglobin a1c level 27 21 $8
98927 Osteopathic manipulative treatment, 5-6 body regions 26 16 $56
84443 Blood test, thyroid stimulating hormone (tsh) 24 18 $16

In context: peer comparison

Among 9 peers in Scarborough Family Medicine Physician, average services per provider: 52. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,682
Patients
455
Total drug cost
$40,758
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 233 71 $6,923
Lisinopril Generic 168 48 $1,257
Amlodipine Besylate Generic 157 44 $1,584
Levothyroxine Sodium Generic 125 36 $2,523
Omeprazole Generic 116 36 $2,487
Oxycodone Hcl Generic 101 16 $2,068
Gabapentin Generic 99 32 $3,843
Metoprolol Succinate Generic 99 26 $2,940
Losartan Potassium Generic 90 26 $1,077
Hydrochlorothiazide Generic 89 26 $288

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sean O'Sullivan's medical specialty?
Dr. Sean O'Sullivan practices Family Medicine Physician in Scarborough, ME.
Where does Dr. Sean O'Sullivan practice?
Dr. Sean O'Sullivan practices at 153 US Route 1, Scarborough, ME 040749052. Office phone: 2077998596.
What is Dr. Sean O'Sullivan's NPI?
Dr. Sean O'Sullivan's National Provider Identifier (NPI) is 1285073205, issued by NPPES.
Does Dr. Sean O'Sullivan accept Medicare assignment?
Yes. Dr. Sean O'Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean O'Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.