Andrea Brennan, PA
NPI 1447394234 · Medical Physician Assistant · New Haven, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Brennan, PA is a Medical Physician Assistant provider in New Haven, CT (NPI 1447394234).
Provider details
- NPI number
- 1447394234
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 002265 (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
305 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 168 | $57 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 137 | $85 |
Typical Medicare-allowed amounts for these services range $57–$85 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 49 | 15 |
| Famotidine | 35 | 16 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 34 | 23 |
| Gabapentin | 34 | 17 |
| Apixabanbrand: Eliquis | 24 | 13 |
| Lenalidomidebrand: Revlimid | 24 | 13 |
| Prednisone | 24 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-16
- Last updated
- 2016-09-14
Frequently asked questions
- What is Andrea Brennan's NPI number?
- Andrea Brennan's National Provider Identifier (NPI) is 1447394234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Brennan's specialty?
- Andrea Brennan is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrea Brennan located?
- Andrea Brennan's practice location on file with NPPES is 35 Park St, New Haven, CT 06519-1110.
- What is Andrea Brennan's phone number?
- The practice phone number listed in the NPPES registry for Andrea Brennan is (203) 200-4176.
- Does Andrea Brennan accept Medicare?
- Andrea Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Brennan's NPI active?
- Yes — Andrea Brennan's NPI (1447394234) is active in the NPPES registry as of the last update on 2016-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.