GREGORY KELII WONG M.D.
NPI 1386977288
Pediatrics - Pediatric Gastroenterology in Orange, CA

Active since September 09, 2009PECOS EnrolledAccepts Medicare Assignment
1201 W LA VETA AVE, ORANGE, CA 92868(714) 509-4099(714) 509-3301 Get Directions Write a Review

NPPES record last updated: February 24, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Gregory Kelii Wong M.d. NPPES

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

GREGORY KELII WONG M.D. (NPI 1386977288) is an individual pediatric gastroenterology provider in Orange, California, licensed in California (A124939) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1386977288
Entity TypeIndividualMale
Primary Taxonomy2080P0206X
Provider Legal NameGREGORY KELII WONGCredential: M.D.
Location Address1201 W LA VETA AVEOrange, CA 92868-4203
Mailing Address1201 W La Veta AveOrange, CA 92868-4203 · (714) 509-4099 · Fax (714) 509-3301
Fax(714) 509-3301
Sole ProprietorYes
Medical School CMSOtherGraduated 2007
Enumeration DateSeptember 9, 2009
Last NPPES UpdateFebruary 24, 2021
NPPES CertifiedFebruary 24, 2021
NPI 1386977288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
Licenses Licensed in CA · A124939 Licensed in TX · N7765
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
1201 W LA VETA AVE, Orange, CA 92868

Secondary Practice Location 1

Location 13030 Childrens WaySan Diego, CA 92123-4232 · Phone (858) 966-4003

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

Gregory Kelii Wong M.d. 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 ID7911286406
PECOS Enrollment IDI20161128002738
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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

Social Worker
1201 W LA VETA AVE
ORANGE, CA 92868
Neurological Surgery
1201 W LA VETA AVE
ORANGE, CA 92868
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1201 W LA VETA AVE
ORANGE, CA 92868
Pediatrics (Pediatric Hematology-Oncology)
1201 W LA VETA AVE
ORANGE, CA 92868
Student in an Organized Health Care Education/Training Program
1201 W LA VETA AVE
ORANGE, CA 92868
Psychologist (Clinical Child & Adolescent)
1201 W LA VETA AVE, 503
ORANGE, CA 92868
Pediatrics (Pediatric Endocrinology)
1201 W LA VETA AVE
ORANGE, CA 92868
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1201 W LA VETA AVE, CHILDREN'S HOSPITAL OF ORANGE COUNTY, NEUROLOGY
ORANGE, CA 92868

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 Gregory Wong's NPI number?

The NPI number for Gregory Wong is 1386977288. It was assigned to this individual provider in the NPPES registry on September 9, 2009.

Where is Gregory Wong located?

Gregory Wong practices at 1201 W La Veta Ave, Orange, CA 92868. The listed phone number is (714) 509-4099.

What is Gregory Wong's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Gregory Wong enrolled in Medicare?

Yes. Gregory Wong 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 Gregory Wong was last updated on February 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.