What is Andrea Brennan's specialty?

Andrea Brennan (NPI 1447394234) is a Medicare-billing provider whose primary specialty is Physician Assistant in New Haven, CT.

Where does Andrea Brennan practice?

Andrea Brennan practices in New Haven, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1447394234.

How much does Medicare pay Andrea Brennan?

Andrea Brennan (NPI 1447394234) received approximately $17K in total Medicare Part B payments, serving 163 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1447394234

Andrea BrennanPA

Physician AssistantNew Haven, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

201

Unique beneficiaries

—

Total services

305

Distinct HCPCS

Medicare payment

$16K

Peer benchmark

Total Medicare services vs. 2,222 Physician Assistant providers in CT — above median (cohort median 156).

PRESCRIBING · PART D · 2024

Total Rx claims

551

Beneficiaries

—

Total drug cost

$532K

Distinct drugs

Brand share

26.5%

Top prescribed drugs

Anastrozole49 claims

Famotidine35 claims

Gabapentin34 claims

Lidocaine/Prilocaine34 claims

Lenalidomide24 claims

QUALITY · MIPS · 2024

Final MIPS score

87.4

Quality

77.4

Cost

74.3

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.52%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Andrea Brennan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 8 inbound referrers · 14 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1083604466	29	112
YALE NEW HAVEN HOSPITAL	25	44
Masoud Azodi Gynecological Oncology · New Haven, CT	22	304
NPI 1033107107	21	364
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	19	184
MITCHELL, MARTHA	18	44
Alessandro Santin Gynecological Oncology · New Haven, CT	17	274
Dan-Arin Silasi Obstetrics & Gynecology · Saint Louis, MO	15	208

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
YALE NEW HAVEN HOSPITAL	81	1,717
NPI 1083604466	31	107
Elena Ratner Gynecological Oncology · New Haven, CT	25	442
NPI 1033107107	20	265
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	19	175
YALE NEW HAVEN HOSPITAL	19	43
Masoud Azodi Gynecological Oncology · New Haven, CT	19	242
Diana English Obstetrics & Gynecology · Tampa, FL	18	82
Martha Diaz Physician Assistant · New Haven, CT	17	38
Carlton Schwab Gynecological Oncology · Spartanburg, SC	16	44
Dan-Arin Silasi Obstetrics & Gynecology · Saint Louis, MO	15	157
Alessandro Santin Gynecological Oncology · New Haven, CT	15	227

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events