HAYLEY DO
NPI 1902455272
Physician Assistant in San Jose, CA

Active since September 09, 2019PECOS EnrolledAccepts Medicare Assignment
746 THE ALAMEDA STE 10, SAN JOSE, CA 95126(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: October 2, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 24, 2025, Dec 10, 2020, Sep 9, 2019 (3 updates tracked since 2019).

About Hayley Do NPPES

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

HAYLEY DO (NPI 1902455272) is an individual physician assistant in San Jose, California, licensed in California (57892) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1902455272
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameHAYLEY DO
Location Address746 THE ALAMEDA STE 10San Jose, CA 95126-3178
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (888) 663-6331 · Fax (415) 252-7176
Fax(415) 252-7176
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateSeptember 9, 2019
Last NPPES UpdateOctober 2, 20253 updates tracked since enumeration
NPPES CertifiedOctober 2, 2025
NPI 1902455272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in CA · 57892
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
746 THE ALAMEDA STE 10, San Jose, CA 95126

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

Hayley Do 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 ID7911337415
PECOS Enrollment IDI20200424000642
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 95126 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
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
2 suppliers12 claims21 services$5.34 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

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

Nurse Practitioner
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126
Family Medicine
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126
Family Medicine
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126
Family Medicine
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126
Family Medicine
746 THE ALAMEDA STE 10
SAN JOSE, CA 95126

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 Hayley Do's NPI number?

The NPI number for Hayley Do is 1902455272. It was assigned to this individual provider in the NPPES registry on September 9, 2019.

Where is Hayley Do located?

Hayley Do practices at 746 The Alameda Ste 10, San Jose, CA 95126. The listed phone number is (888) 663-6331.

What is Hayley Do's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Hayley Do enrolled in Medicare?

Yes. Hayley Do 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 Hayley Do was last updated on October 2, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.