Sean O'Sullivan, DO
NPI 1285073205 · Family Medicine Physician · Scarborough, ME
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean O'Sullivan, DO is a Family Medicine Physician provider in Scarborough, ME (NPI 1285073205).
Provider details
- NPI number
- 1285073205
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO2641 (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
13 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
693 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 126 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 121 | $93 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $69 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 75 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 57 | $12 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 110 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 270 | 78 |
| Amlodipine Besylate | 169 | 54 |
| Lisinopril | 166 | 46 |
| Levothyroxine Sodium | 140 | 34 |
| Omeprazole | 137 | 41 |
| Hydrochlorothiazide | 108 | 33 |
| Metformin Hcl | 105 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-24
- Last updated
- 2020-09-28
- Certified
- 2020-09-28
Frequently asked questions
- What is Sean O'Sullivan's NPI number?
- Sean O'Sullivan's National Provider Identifier (NPI) is 1285073205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean O'Sullivan's specialty?
- Sean O'Sullivan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sean O'Sullivan located?
- Sean O'Sullivan's practice location on file with NPPES is 153 US Route 1, Scarborough, ME 04074-9052.
- What is Sean O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Sean O'Sullivan is (207) 799-8596.
- Does Sean O'Sullivan accept Medicare?
- Sean O'Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean O'Sullivan's NPI active?
- Yes — Sean O'Sullivan's NPI (1285073205) is active in the NPPES registry as of the last update on 2020-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.