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LOAN HSIEH
NPI 1770774341
Pediatrics in Orange, CA

Active since August 07, 2007PECOS Enrolled
455 S MAIN ST, ORANGE, CA 92868(714) 532-8826(714) 532-8771 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Aug 16, 2017 (3 updates tracked since 2017).

About Loan Hsieh NPPES

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

LOAN HSIEH (NPI 1770774341) is an individual pediatrics provider in Orange, California, licensed in California (A82088) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Orange.

NPPES Registry Identity

NPI1770774341
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameLOAN HSIEH
Location Address455 S MAIN STOrange, CA 92868-3835
Mailing Address2670 N Main St Ste 150Santa Ana, CA 92705-6658 · (714) 586-5264 · Fax (714) 600-4791
Phone(714) 532-8826
Fax(714) 532-8771
Sole ProprietorNo
Enumeration DateAugust 7, 2007
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1770774341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A82088
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
455 S MAIN ST, Orange, CA 92868
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Secondary Practice Location 1

Location 11010 W La Veta AveOrange, CA 92868-4300 · Phone (714) 221-1200 · Fax (714) 221-1299

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Loan Hsieh 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 92868 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

PEDIATRIC SUBSPECIALTY FACULTY, INC.
Surgery (Pediatric Surgery)
455 S MAIN ST, GENERAL SURGERY
ORANGE, CA 92868
Orange County (714) 364-4050
PEI LIN CHANG M.D.
Pediatrics
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 558-2462
JENNIFER MICHELLE SHIVELY N.P.
Nurse Practitioner (Pediatrics, Critical Care)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 204-3277
ANTOINE SOLIMAN M.D.
Pediatrics (Neonatal-Perinatal Medicine)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 289-4511
DR. JEFFREY H HO D.O.
Pediatrics (Pediatric Gastroenterology)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 289-4099
DR. MARITA FORTADES MD
Pediatrics
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 532-8767
DR. SHARON KIM MD
Psychiatry & Neurology (Neurology)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 532-7601
MS. NANCY ANN VARNI CPNP
Nurse Practitioner (Pediatrics)
455 S MAIN ST
ORANGE, CA 92868
Orange County (714) 532-8634

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 Loan Hsieh's NPI number?

The NPI number for Loan Hsieh is 1770774341. It was assigned to this individual provider in the NPPES registry on August 7, 2007.

Where is Loan Hsieh located?

Loan Hsieh practices at 455 S Main St, Orange, CA 92868. The listed phone number is (714) 532-8826.

What is Loan Hsieh's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Loan Hsieh enrolled in Medicare?

Yes. Loan Hsieh is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Loan Hsieh was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.