HEATHER HA-THANH OSHIRO P.A.-C
NPI 1487023222
Physician Assistant in Fountain Valley, CA

Active since September 23, 2015PECOS EnrolledAccepts Medicare Assignment
9940 TALBERT AVE, #101, FOUNTAIN VALLEY, CA 92708(714) 545-8700 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 15, 2021, Dec 8, 2021 (2 updates tracked since 2021).

About Heather Ha-thanh Oshiro P.a.-c NPPES

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

HEATHER HA-THANH OSHIRO P.A.-C (NPI 1487023222) is an individual physician assistant in Fountain Valley, California, licensed in California (52823) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Brea, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1487023222
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameHEATHER HA-THANH OSHIROCredential: P.A.-C
Location Address9940 TALBERT AVE, #101Fountain Valley, CA 92708-5153
Mailing Address9940 Talbert Ave, #101Fountain Valley, CA 92708-5153
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateSeptember 23, 2015
Last NPPES UpdateDecember 15, 20212 updates tracked since enumeration
NPPES CertifiedDecember 15, 2021
NPI 1487023222 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 · 52823
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.

9940 TALBERT AVE, Fountain Valley, CA 92708

Other Names 1

Former Name (1)Heather Ha-thanh Nguyen Pa-c

Secondary Practice Location 1

Location 1955 W Imperial Hwy Ste 110Brea, CA 92821-3814 · Phone (714) 578-6826

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

Heather Ha-thanh Oshiro P.a.-c 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 ID5890062764
PECOS Enrollment IDI20170524001489
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 8

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
275 services214 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
38 services36 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
19 services19 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
17 services16 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
17 services15 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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.

Specialist
9940 TALBERT AVE, SUITE 201
FOUNTAIN VALLEY, CA 92708
Psychiatry & Neurology (Neurology)
9940 TALBERT AVE, SUITE 204
FOUNTAIN VALLEY, CA 92708
Specialist
9940 TALBERT AVE, SUITE 303
FOUNTAIN VALLEY, CA 92708
Physician Assistant
9940 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Internal Medicine (Gastroenterology)
9940 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Obstetrics & Gynecology
9940 TALBERT AVE, SUITE 303
FOUNTAIN VALLEY, CA 92708
Internal Medicine (Pulmonary Disease)
9940 TALBERT AVE, SUITE# 101
FOUNTAIN VALLEY, CA 92708
Anesthesiology
9940 TALBERT AVE, STE. 101
FOUNTAIN VALLEY, CA 92708

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 Heather Oshiro's NPI number?

The NPI number for Heather Oshiro is 1487023222. It was assigned to this individual provider in the NPPES registry on September 23, 2015. The provider is also known as Heather Ha-Thanh Nguyen Pa-C.

Where is Heather Oshiro located?

Heather Oshiro practices at 9940 Talbert Ave #101, Fountain Valley, CA 92708. The listed phone number is (714) 545-8700.

What is Heather Oshiro's specialty?

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

Is Heather Oshiro enrolled in Medicare?

Yes. Heather Oshiro 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 Heather Oshiro was last updated on December 15, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.