JOHN HAI DANG GIANG MD
NPI 1447712773
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Houston, TX

Active since April 04, 2019PECOS EnrolledAccepts Medicare Assignment
6410 FANNIN ST STE 500, HOUSTON, TX 77030(832) 325-6516(713) 512-2248 Get Directions Write a Review

NPPES record last updated: March 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2025, Apr 4, 2019 (2 updates tracked since 2019).

About John Hai Dang Giang Md NPPES

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

JOHN HAI DANG GIANG MD (NPI 1447712773) is an individual neurology with special qualifications in child neurology provider in Houston, Texas, licensed in Texas (V2739) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1447712773
Entity TypeIndividualMale
Primary Taxonomy2084N0402X
Provider Legal NameJOHN HAI DANG GIANGCredential: MD
Location Address6410 FANNIN ST STE 500Houston, TX 77030-3005
Mailing Address6410 Fannin St Ste 500Houston, TX 77030-3005 · (832) 325-6516 · Fax (713) 512-2248
Fax(713) 512-2248
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateApril 4, 2019
Last NPPES UpdateMarch 17, 20252 updates tracked since enumeration
NPPES CertifiedMarch 17, 2025
NPI 1447712773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License Licensed in TX · V2739
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
6410 FANNIN ST STE 500, Houston, TX 77030

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 and accepts Medicare assignment

John Hai Dang Giang Md 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 ID2860907599
PECOS Enrollment IDI20250711003907
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 77030 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

Dietitian, Registered (Nutrition, Metabolic)
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics (Pediatric Infectious Diseases)
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Nurse Practitioner (Pediatrics)
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics (Pediatric Infectious Diseases)
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Dietitian, Registered
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics (Pediatric Pulmonology)
6410 FANNIN ST STE 500
HOUSTON, TX 77030

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 John Hai Dang Giang's NPI number?

The NPI number for John Hai Dang Giang is 1447712773. It was assigned to this individual provider in the NPPES registry on April 4, 2019.

Where is John Hai Dang Giang located?

John Hai Dang Giang practices at 6410 Fannin St Ste 500, Houston, TX 77030. The listed phone number is (832) 325-6516.

What is John Hai Dang Giang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is John Hai Dang Giang enrolled in Medicare?

Yes. John Hai Dang Giang 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.

What insurance does John Hai Dang Giang 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 4 other insurers list John Hai Dang Giang 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 John Hai Dang Giang was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.