Doctor profile · Federal record

Dr. Madeline Brennan, Nurse Practitioner

Family Nurse Practitioner (CMS: Nurse Practitioner) · New York, NY

  • NPI 1558069427
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
317 E 34Th St
New York, NY 100164974
(212) 263-8134
Mailing address
1313 Riggs St Nw
Washington, DC 200094324

Credentials & registration

NPPES · NUCC
NPI registered
February 2023 — 3 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New York #F351455-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558069427. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
30
Distinct HCPCS
1
Medicare allowed
$2,931
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 30 22 $98

In context: peer comparison

Among 221 peers in this city , average services per provider: 100. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
141
Patients
40
Total drug cost
$21,487
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 30 17 $376
Nifedipine Er (Nifedipine) Brand 26 12 $1,248
Carvedilol Generic 22 0 $294
Calcitriol Generic 21 0 $382
Valganciclovir Hcl Generic 16 11 $5,131
Cinacalcet Hcl Generic 15 0 $7,368
Atovaquone Generic 11 0 $6,687

Frequently asked questions

Auto-generated from federal data
What is Dr. Madeline Brennan's medical specialty?
Dr. Madeline Brennan practices Family Nurse Practitioner in New York, NY.
Where does Dr. Madeline Brennan practice?
Dr. Madeline Brennan practices at 317 E 34Th St, New York, NY 100164974. Office phone: 2122638134.
What is Dr. Madeline Brennan's NPI?
Dr. Madeline Brennan's National Provider Identifier (NPI) is 1558069427, issued by NPPES.
Does Dr. Madeline Brennan accept Medicare assignment?
Yes. Dr. Madeline Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Madeline Brennan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.