John Hai Dang Giang, MD
Neurology with Special Qualifications in Child Neurology Physician · Houston, TX
John Hai Dang Giang, MD is a neurology with special qualifications in child neurology physician with a practice address in Houston, Texas, and NPI 1447712773, issued on Apr 4, 2019. Check the license (Texas V2739, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Hai Dang Giang
- Credential
- MD
- Primary taxonomy
- Neurology with Special Qualifications in Child Neurology Physician 2084N0402X
- License number
- V2739 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6410 Fannin St Ste 500, Houston, TX 77030
- Phone
- (832) 325-6516
- Enumerated
- Apr 4, 2019
- Record last updated
- Mar 17, 2025
- Fax
- (713) 512-2248
- Medicare enrollment
- Enrolled (PECOS I20250711003907); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology with special qualifications in child neurology physician records → All 226 in Texas → Look up another NPI →
Also registered at 6410 Fannin St Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gency Abraham, MDPediatrics Physician1104246511
- Cristoniel Abrenica, M.D.Pediatric Gastroenterology Physician1679982680
- Kareen Ann Aguihap, FNP-CFamily Nurse Practitioner1770045510
- Laura Benjamins, MD, MPHPediatric Adolescent Medicine Physician1528272028
- Monica Bray, M.D.Pediatric Rheumatology Physician1831578715
- Zackary Brown, MDPediatrics Physician1982354015
Verify John Hai Dang Giang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V2739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $175.86
5 payments; by number, the most common kind was food and beverage; the largest payer was SK Life Science, Inc. The 1,195 providers of this specialty with any payment received $5,568.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- UT PhysiciansHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Hai Dang Giang among 226 neurology with special qualifications in child neurology physician records in Texas
John Hai Dang Giang, MD is one of 226 neurology with special qualifications in child neurology physician records with a practice address in Texas. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 7% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2019 · median 2008 among the 88 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0402X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology with Special Qualifications in Child Neurology Physician providers in Texas
There are 226 neurology with special qualifications in child neurology physician records in Texas.
All 226 in Texas → Every provider in Houston → Neurology with Special Qualifications in Child Neurology Physician nationwide →
The 8 neurology with special qualifications in child neurology physician records with the nearest ZIP codes
- Ian Butler, M.D.Houston, TX 770301184651895
- Wilfred Castro-Reyes, MDHouston, TX 770301588609507
- Gary Clark, MDHouston, TX 770301013097450
- Marvin Fishman, MDHouston, TX 770301023198371
- Imad Jarjour, M.D.Houston, TX 770301255371779
- Mary Kay Koenig, M.D.Houston, TX 770301881895993
- Timothy Lotze, MDHouston, TX 770301194805598
- Pedro Mancias, M.D.Houston, TX 770301316973688
Common questions
What is John Hai Dang Giang, MD's NPI number?
John Hai Dang Giang, MD's National Provider Identifier (NPI) is 1447712773, issued on Apr 4, 2019. An NPI identifies a provider in billing; it is not a license.
Where is John Hai Dang Giang, MD located?
The NPPES record lists a practice address at 6410 Fannin St Ste 500, Houston, TX, 77030. Phone: (832) 325-6516. Providers update this record themselves, so call before visiting.
How can I verify John Hai Dang Giang, MD's license?
NPPES lists Texas license number V2739, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.