MS. MARISSA ANN UDELSMAN APRN
NPI 1811322373
Nurse Practitioner - Pediatrics in Pasadena, CA

Q: What is Marissa Udelsman's NPI number?

The NPI number for Marissa Udelsman is 1811322373. It was assigned to this individual provider in the NPPES registry on September 3, 2013. The provider is also known as Marissa Ann Boardman Aprn.

Q: What is Marissa Udelsman'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 Marissa Udelsman was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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 September 03, 2013

1143 N LAKE AVE, PASADENA, CA 91104(626) 795-2110 Get Directions Write a Review

NPPES record last updated: August 28, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 22, 2016, Feb 16, 2016 (2 updates tracked since 2016).

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About Ms. Marissa Ann Udelsman Aprn NPPES

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

MS. MARISSA ANN UDELSMAN APRN (NPI 1811322373) is an individual pediatrics provider in Pasadena, California, licensed in California (95031209) and active in the NPI registry since September 2013.

NPPES Registry Identity

NPI1811322373

Entity TypeIndividualFemale

Primary Taxonomy363LP0200X

Provider Legal NameMS. MARISSA ANN UDELSMANCredential: APRN

Location Address1143 N LAKE AVEPasadena, CA 91104-3740

Mailing Address1143 N Lake AvePasadena, CA 91104-3740 · (626) 795-2110

Phone(626) 795-2110

Sole ProprietorNo

Enumeration DateSeptember 3, 2013

Last NPPES UpdateAugust 28, 20252 updates tracked since enumeration

NPPES CertifiedAugust 28, 2025

✔ NPI 1811322373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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

Taxonomy Code363LP0200X

License✔ Licensed in CA · 95031209

1143 N LAKE AVE, Pasadena, CA 91104

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Other Names 1

Former Name (1)Marissa Ann Boardman Aprn

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 Marissa Udelsman's NPI number?

The NPI number for Marissa Udelsman is 1811322373. It was assigned to this individual provider in the NPPES registry on September 3, 2013. The provider is also known as Marissa Ann Boardman Aprn.

Where is Marissa Udelsman located?

Marissa Udelsman practices at 1143 N Lake Ave, Pasadena, CA 91104. The listed phone number is (626) 795-2110.

What is Marissa Udelsman'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 Marissa Udelsman was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.