MS. ANN M. BRENNAN NP
NPI 1558419200
Nurse Practitioner - Pediatrics in Palo Alto, CA

Q: What is Ann Brennan's NPI number?

The NPI number for Ann Brennan is 1558419200. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Q: What is Ann Brennan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Q: When was this NPI record last updated?

The NPPES record for Ann Brennan was last updated on September 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 08, 2007

770 WELCH RD, PALO ALTO, CA 94304(650) 498-2568(650) 723-4312 Get Directions Write a Review

NPPES record last updated: September 26, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ms. Ann M. Brennan Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. ANN M. BRENNAN NP (NPI 1558419200) is an individual pediatrics provider in Palo Alto, California, licensed in California (8652) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1558419200

Entity TypeIndividualFemale

Primary Taxonomy363LP0200X

Provider Legal NameMS. ANN M. BRENNANCredential: NP

Location Address770 WELCH RDPalo Alto, CA 94304-1511

Mailing Address770 Welch RdPalo Alto, CA 94304-1511 · (650) 498-2568 · Fax (650) 723-4312

Phone(650) 498-2568

Fax(650) 723-4312

Sole ProprietorNo

Enumeration DateJanuary 8, 2007

Last NPPES UpdateSeptember 26, 2014

✔ NPI 1558419200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0200X

License✔ Licensed in CA · 8652

Also ListedRegistered Nurse · Women's Health Care, AmbulatoryTaxonomy 163WW0101X · License RN526080 (CA)

Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 3719 (SC)

Also ListedNurse Practitioner · Obstetrics & GynecologyTaxonomy 363LX0001X · License NPF8652 (CA)

770 WELCH RD, Palo Alto, CA 94304

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Other Identifiers 1

Medicare UPINQ19039

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. YUSRA NAZAR HUSSAIN M.D.

Internal Medicine (Geriatric Medicine)

770 WELCH RD, SUITE # 250
PALO ALTO, CA 94304

Santa Clara County (650) 328-1676

SHELLEY AGGARWAL MD

Pediatrics (Adolescent Medicine)

770 WELCH RD, DIVISION OF ADOLESCENT MEDICINE
PALO ALTO, CA 94304

Santa Clara County (650) 736-9557

DR. JENNIFER LEE HWANG DUDA MD

Pediatrics (Pediatric Hematology-Oncology)

770 WELCH RD, SUITE 261
PALO ALTO, CA 94304

Santa Clara County (650) 497-8953

CARMEN AGUILAR MANDAC NP

Nurse Practitioner

770 WELCH RD, SUITE 100
PALO ALTO, CA 94304

Santa Clara County (650) 725-8771

JACK H KOUMJIAN DDS

Dentist (Prosthodontics)

770 WELCH RD, STE 280
PALO ALTO, CA 94304

Santa Clara County (650) 347-3426

DR. SHAWN MOSHREFI M.D.

Student in an Organized Health Care Education/Training Program

770 WELCH RD, DIV OF PLASTIC SURGERY STE 400
PALO ALTO, CA 94304

Santa Clara County (650) 723-5824

ALEXANDER LI

Surgery (Plastic and Reconstructive Surgery)

770 WELCH RD, ATTN: ALEXANDER LI, PLASTIC SURGERY
PALO ALTO, CA 94304

Santa Clara County (650) 723-5824

LUCILE PACKARD CHILDREN'S HOSPITAL

Clinic/Center

770 WELCH RD
PALO ALTO, CA 94304

Santa Clara County (650) 721-2589

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ann Brennan's NPI number?

The NPI number for Ann Brennan is 1558419200. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is Ann Brennan located?

Ann Brennan practices at 770 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 498-2568.

What is Ann Brennan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

When was this NPI record last updated?

The NPPES record for Ann Brennan was last updated on September 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.