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DR. WANG-DAR SUN M.D.
NPI 1891982377
Pediatrics in Sylmar, CA

Active since September 28, 2007PECOS Enrolled
14445 OLIVE VIEW DR RM 6B119-H, SYLMAR, CA 91342(818) 364-3031 Get Directions Write a Review

NPPES record last updated: September 28, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Wang-dar Sun M.d. NPPES

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

DR. WANG-DAR SUN M.D. (NPI 1891982377) is an individual pediatrics provider in Sylmar, California, licensed in California (A98671) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891982377
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. WANG-DAR SUNCredential: M.D.
Location Address14445 OLIVE VIEW DR RM 6B119-HSylmar, CA 91342-1437
Mailing Address14445 Olive View Dr Rm 6b119-hSylmar, CA 91342-1437 · (818) 364-3031
Phone(818) 364-3031
Sole ProprietorYes
Enumeration DateSeptember 28, 2007
✔ NPI 1891982377 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A98671
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.
14445 OLIVE VIEW DR RM 6B119-H, Sylmar, CA 91342
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Wang-dar Sun M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Wang-dar Sun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital Of Orange County
50 mi
Pediatrics
1201 W LA VETA AVE
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Of Orange County
  • 190 clinicians in this Medicare group
NPI 1275975104 (714) 509-8649

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91342 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 14

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

DR. MONIQUE RUBIN DPM
Podiatrist
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. NEHA R. SHAH M.D.
Student in an Organized Health Care Education/Training Program
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. BABAK DAFTARI M.D.
Pediatrics
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. PHILLIS WU M.D.
Internal Medicine (Hematology & Oncology)
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. ABHISHEK SHARMA M.D.
Student in an Organized Health Care Education/Training Program
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. DEEPTHI KUMARI KARUNASIRI M.D.
Pathology (Anatomic Pathology)
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. ALAN ELWOOD QUILLIAN M.D. M.S.
Pediatrics
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031
DR. LEO GABRIEL MAFFEY M.D.
Internal Medicine
14445 OLIVE VIEW DR RM 6B119-H
SYLMAR, CA 91342
Los Angeles County (818) 364-3031

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 Wang-dar Sun's NPI number?

The NPI number for Wang-dar Sun is 1891982377. It was assigned to this individual provider in the NPPES registry on September 28, 2007.

Where is Wang-dar Sun located?

Wang-dar Sun practices at 14445 Olive View Dr Rm 6b119-H, Sylmar, CA 91342. The listed phone number is (818) 364-3031.

What is Wang-dar Sun's specialty?

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

Is Wang-dar Sun enrolled in Medicare?

Yes. Wang-dar Sun is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Wang-dar Sun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wang-dar Sun reassigns Medicare benefits to Children's Hospital Of Orange County (Orange, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Wang-dar Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Wang-dar Sun was last updated on September 28, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.