DEREK NGAI MD
NPI 1700231859
Pediatrics - Pediatric Gastroenterology in Dallas, TX

Active since April 26, 2016PECOS Enrolled
1935 MEDICAL DISTRICT DR, DALLAS, TX 75235(214) 456-2735 Get Directions Write a Review

NPPES record last updated: August 9, 2022. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Derek Ngai Md NPPES

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

DEREK NGAI MD (NPI 1700231859) is an individual pediatric gastroenterology provider in Dallas, Texas, licensed in Texas (S1668) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700231859
Entity TypeIndividualMale
Primary Taxonomy2080P0206X
Provider Legal NameDEREK NGAICredential: MD
Location Address1935 MEDICAL DISTRICT DRDallas, TX 75235-7701
Mailing Address1935 Medical District DrDallas, TX 75235-7701
Sole ProprietorNo
Enumeration DateApril 26, 2016
Last NPPES UpdateAugust 9, 2022
NPPES CertifiedAugust 9, 2022
NPI 1700231859 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License Licensed in TX · S1668
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.
1935 MEDICAL DISTRICT DR, Dallas, TX 75235

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Derek Ngai Md 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 75235 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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.

Nurse Practitioner (Pediatrics)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Physician Assistant
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Nurse Practitioner (Pediatrics)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Nurse Practitioner (Pediatrics, Critical Care)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Student in an Organized Health Care Education/Training Program
1935 MEDICAL DISTRICT DR, GRADUATE MEDICAL EDUCATION
DALLAS, TX 75235
Physician Assistant
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Student in an Organized Health Care Education/Training Program
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Nurse Practitioner (Pediatrics)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235

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 Derek Ngai's NPI number?

The NPI number for Derek Ngai is 1700231859. It was assigned to this individual provider in the NPPES registry on April 26, 2016.

Where is Derek Ngai located?

Derek Ngai practices at 1935 Medical District Dr, Dallas, TX 75235. The listed phone number is (214) 456-2735.

What is Derek Ngai's specialty?

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

Is Derek Ngai enrolled in Medicare?

Yes. Derek Ngai is registered in the Medicare PECOS enrollment system.

What insurance does Derek Ngai accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Derek Ngai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Derek Ngai was last updated on August 9, 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.