Doctor profile · Federal record

Dr. Andrea Brennan, PA

Medical Physician Assistant (CMS: Physician Assistant) · New Haven, CT

  • NPI 1447394234
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
35 Park St, Smilow Cancer Center, Gynecologic Oncology, 1St Floor
New Haven, CT 065191110
(203) 200-4176
fax (203) 200-2069

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
September 14, 2016
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Connecticut #002265

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447394234. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
310
Distinct HCPCS
2
Medicare allowed
$21,950
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 183 120 $59
99214 Established patient office or other outpatient visit, 30-39 minutes 127 98 $87

In context: peer comparison

Among 59 peers in New Haven Medical Physician Assistant, average services per provider: 56. This provider delivers 5.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
425
Patients
123
Total drug cost
$36,891
Drug Type Claims Patients Total cost
Anastrozole Generic 81 30 $2,248
Gabapentin Generic 41 13 $965
Eliquis (Apixaban) Brand 37 13 $26,332
Letrozole Generic 32 12 $1,648
Famotidine Generic 30 0 $472
Escitalopram Oxalate Generic 25 0 $508
Potassium Chloride Generic 23 0 $848
Oxycodone Hcl Generic 22 16 $367
Pantoprazole Sodium Generic 22 0 $354
Lorazepam Generic 21 12 $96

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrea Brennan's medical specialty?
Dr. Andrea Brennan practices Medical Physician Assistant in New Haven, CT.
Where does Dr. Andrea Brennan practice?
Dr. Andrea Brennan practices at 35 Park St, New Haven, CT 065191110. Office phone: 2032004176.
What is Dr. Andrea Brennan's NPI?
Dr. Andrea Brennan's National Provider Identifier (NPI) is 1447394234, issued by NPPES.
Does Dr. Andrea Brennan accept Medicare assignment?
Yes. Dr. Andrea Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrea Brennan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.