Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATELYN ELLINGWORTH ARNP
NPI 1295118503
Nurse Practitioner in Palo Alto, CA

Q: What is Katelyn Ellingworth's NPI number?

The NPI number for Katelyn Ellingworth is 1295118503. It was assigned to this individual provider in the NPPES registry on July 6, 2015. The provider is also known as Katelyn Elizabeth Conrad Arnp.

Q: What is Katelyn Ellingworth's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since July 06, 2015

195 PAGE MILL RD STE 103, PALO ALTO, CA 94306(888) 731-8994 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 14, 2026, Oct 26, 2016, Sep 2, 2016 (3 updates tracked since 2016).

On this page

About Katelyn Ellingworth Arnp NPPES

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

KATELYN ELLINGWORTH ARNP (NPI 1295118503) is an individual nurse practitioner in Palo Alto, California, licensed in Iowa (A129115) and active in the NPI registry since July 2015. She maintains 4 additional practice locations.

NPPES Registry Identity

NPI1295118503

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameKATELYN ELLINGWORTHCredential: ARNP

Location Address195 PAGE MILL RD STE 103Palo Alto, CA 94306-2073

Mailing Address195 Page Mill Rd Ste 103Palo Alto, CA 94306-2073

Phone(888) 731-8994

Sole ProprietorNo

Enumeration DateJuly 6, 2015

Last NPPES UpdateSeptember 14, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 14, 2026

✔ NPI 1295118503 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IA · A129115

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

195 PAGE MILL RD STE 103, Palo Alto, CA 94306

Open in Google Maps ↗

Other Names 1

Other Name (5)Katelyn Elizabeth Conrad Arnp

Secondary Practice Locations 4

Location 1625 6th Ave Fl 4New York, NY 10011-2020 · Phone (888) 798-8686

Location 21 Gateway Ctr Ste 2600Newark, NJ 07102-5323 · Phone (888) 731-8994

Location 33636 S Geyer Rd Ste 100Saint Louis, MO 63127-1237 · Phone (888) 731-8994

Location 4699 Walnut St Ste 4Des Moines, IA 50309-3949 · Phone (888) 731-8994

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.

MRS. MEGAN LARSEN CRNP

Nurse Practitioner