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

Q: 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.

Q: 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.

Active since April 04, 2019PECOS Enrolled

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: October 25, 2026.

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

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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.

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

Phone(832) 325-6516

Fax(713) 512-2248

Sole ProprietorYes

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

6410 FANNIN ST STE 500, Houston, TX 77030

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Hai Dang Giang 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.

Medicare Billing Reassignment

Medicare enrollment records show John Hai Dang Giang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ut Physicians

Same address

Anesthesiology

6410 FANNIN ST, 1500
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
3,111 clinicians in this Medicare group

NPI 1033157821 (832) 325-7325

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 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.

PAIGE ROBERTS RD

Dietitian, Registered (Nutrition, Metabolic)