MS. HEATHER MARIE ONNIGIAN PA-C
NPI 1033664198
Physician Assistant in Los Angeles, CA

Active since August 18, 2016PECOS Enrolled
400 W 30TH ST, LOS ANGELES, CA 90007(213) 284-3200 Get Directions Write a Review

NPPES record last updated: January 9, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jan 9, 2023, Aug 18, 2016 (2 updates tracked since 2016).

About Ms. Heather Marie Onnigian Pa-c NPPES

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

MS. HEATHER MARIE ONNIGIAN PA-C (NPI 1033664198) is an individual physician assistant in Los Angeles, California, licensed in California (53594) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033664198
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. HEATHER MARIE ONNIGIANCredential: PA-C
Location Address400 W 30TH STLos Angeles, CA 90007-3320
Mailing Address400 W 30th StLos Angeles, CA 90007-3320 · (213) 284-3200
Sole ProprietorNo
Enumeration DateAugust 18, 2016
Last NPPES UpdateJanuary 9, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2023
NPI 1033664198 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 · 53594
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.

400 W 30TH ST, Los Angeles, CA 90007

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Heather Marie Onnigian Pa-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90007 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.

Obstetrics & Gynecology
400 W 30TH ST
LOS ANGELES, CA 90007
Obstetrics & Gynecology (Gynecology)
400 W 30TH ST
LOS ANGELES, CA 90007
Physician Assistant
400 W 30TH ST
LOS ANGELES, CA 90007
Physician Assistant
400 W 30TH ST
LOS ANGELES, CA 90007
Physician Assistant
400 W 30TH ST
LOS ANGELES, CA 90007
Nurse Practitioner
400 W 30TH ST
LOS ANGELES, CA 90007
Obstetrics & Gynecology
400 W 30TH ST
LOS ANGELES, CA 90007
Family Medicine
400 W 30TH ST
LOS ANGELES, CA 90007

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 Onnigian's NPI number?

The NPI number for Heather Onnigian is 1033664198. It was assigned to this individual provider in the NPPES registry on August 18, 2016.

Where is Heather Onnigian located?

Heather Onnigian practices at 400 W 30th St, Los Angeles, CA 90007. The listed phone number is (213) 284-3200.

What is Heather Onnigian's specialty?

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

Is Heather Onnigian enrolled in Medicare?

Yes. Heather Onnigian is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Heather Onnigian was last updated on January 9, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.