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HAILEY NICOLE HANSSEN NP
NPI 1881323442
Nurse Practitioner in Palo Alto, CA

Active since June 08, 2022PECOS EnrolledAccepts Medicare Assignment
300 PASTEUR DR, PALO ALTO, CA 94304(650) 723-4000 Get Directions Write a Review

NPPES record last updated: October 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 9, 2025, Jun 8, 2022 (2 updates tracked since 2022).

About Hailey Nicole Hanssen Np NPPES

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

HAILEY NICOLE HANSSEN NP (NPI 1881323442) is an individual nurse practitioner in Palo Alto, California, licensed in California (95021197) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fresno, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1881323442
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameHAILEY NICOLE HANSSENCredential: NP
Location Address300 PASTEUR DRPalo Alto, CA 94304-2203
Mailing Address300 Pasteur DrPalo Alto, CA 94304-2203 · (650) 723-4000
Phone(650) 723-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 8, 2022
Last NPPES UpdateOctober 9, 20252 updates tracked since enumeration
NPPES CertifiedOctober 9, 2025
✔ NPI 1881323442 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 CA · 95021197
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.
300 PASTEUR DR, Palo Alto, CA 94304
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Secondary Practice Location 1

Location 12823 Fresno StFresno, CA 93721-1324 · Phone (559) 459-6000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Hailey Nicole Hanssen Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850734286
PECOS Enrollment IDI20240213001333
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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.

RHEA MATHEW NP
Nurse Practitioner
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
JUSTIN AYALA BIRNBAUM M.D.
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
MAHENDRA TAKASHI BHATI MD
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
ANDREA ERIKA AMENT M.D.
Psychiatry & Neurology (Psychosomatic Medicine)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
CATHERINE BENEDICT PHD
Psychologist (Clinical)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
RYAN THOMAS ASH MD, PHD
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
ARDEN MARIE MORRIS MD
Colon & Rectal Surgery
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
BENJAMIN ZEWDU BELAI MD
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000

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 Hailey Hanssen's NPI number?

The NPI number for Hailey Hanssen is 1881323442. It was assigned to this individual provider in the NPPES registry on June 8, 2022.

Where is Hailey Hanssen located?

Hailey Hanssen practices at 300 Pasteur Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.

What is Hailey Hanssen's specialty?

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

Is Hailey Hanssen enrolled in Medicare?

Yes. Hailey Hanssen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Hailey Hanssen was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.