ELLEN ELIZABETH ALLEN FNP
NPI 1457059271
Nurse Practitioner in Palo Alto, CA

Q: What is Ellen Allen's NPI number?

The NPI number for Ellen Allen is 1457059271. It was assigned to this individual provider in the NPPES registry on February 21, 2023.

Q: What is Ellen Allen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ellen Allen was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 February 21, 2023PECOS Enrolled

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

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

Record update history: Jan 28, 2026, Feb 21, 2023 (2 updates tracked since 2023).

On this page

About Ellen Elizabeth Allen Fnp NPPES

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

ELLEN ELIZABETH ALLEN FNP (NPI 1457059271) is an individual nurse practitioner in Palo Alto, California, licensed in Pennsylvania (SP029032) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457059271

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameELLEN ELIZABETH ALLENCredential: FNP

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 DateFebruary 21, 2023

Last NPPES UpdateJanuary 28, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 28, 2026

✔ NPI 1457059271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in PA · SP029032

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.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 331880 (NC)

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

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ellen Elizabeth Allen Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94306 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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