Sean Brennan, PA-C
NPI 1255342556 · Surgical Physician Assistant · Windsor, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Brennan, PA-C is a Surgical Physician Assistant provider in Windsor, CT (NPI 1255342556).
Provider details
- NPI number
- 1255342556
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 000964 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
151 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 | 61 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $84 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 21 | $155 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 16 | $166 |
| Partial Removal of Spine Bone With Release of Lower Spinal Cord And/Or Nerves, 1 Segment63047 | 14 | $168 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 50 | 40 |
| Gabapentin | 38 | 19 |
| Methocarbamol | 36 | 22 |
| Tizanidine Hcl | 32 | 22 |
| Tramadol Hcl | 29 | 19 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 19 | 13 |
| Meloxicam | 15 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-11
- Last updated
- 2009-03-11
Frequently asked questions
- What is Sean Brennan's NPI number?
- Sean Brennan's National Provider Identifier (NPI) is 1255342556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Brennan's specialty?
- Sean Brennan is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sean Brennan located?
- Sean Brennan's practice location on file with NPPES is 360 Bloomfield Ave, Windsor, CT 06095-2700.
- What is Sean Brennan's phone number?
- The practice phone number listed in the NPPES registry for Sean Brennan is (860) 688-1311.
- Does Sean Brennan accept Medicare?
- Sean Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Brennan's NPI active?
- Yes — Sean Brennan's NPI (1255342556) is active in the NPPES registry as of the last update on 2009-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.