Kathleen Brennan
NPI 1033353610 · Neonatal-Perinatal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Brennan is a Neonatal-Perinatal Medicine Physician provider in New York, NY (NPI 1033353610).
Provider details
- NPI number
- 1033353610
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 173822851 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-27
- Last updated
- 2024-01-02
- Certified
- 2024-01-02
Frequently asked questions
- What is Kathleen Brennan's NPI number?
- Kathleen Brennan's National Provider Identifier (NPI) is 1033353610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Brennan's specialty?
- Kathleen Brennan is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Brennan located?
- Kathleen Brennan's practice location on file with NPPES is 321 W 90th St Apt 2b, New York, NY 10024-1626.
- What is Kathleen Brennan's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Brennan is (212) 305-5827.
- Does Kathleen Brennan accept Medicare?
- Kathleen Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Brennan's NPI active?
- Yes — Kathleen Brennan's NPI (1033353610) is active in the NPPES registry as of the last update on 2024-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.