Dr. William Harold Hyde, M.D.
Dr. William Harold Hyde is a Neonatal-Perinatal Medicine Physician provider (Pediatrics) practicing in Austin, TX, registered in the NPPES registry with NPI 1366483349 since 2006. The credential MD stands for Doctor of Medicine.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1366483349 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. William Harold Hyde |
| Credential | M.D. |
| Sex | Male |
| Practice address | 4900 MUELLER BLVD, NICU 4B062, Austin, TX, 78723 |
| Phone | 5123240000 |
| Fax | 5123240613 |
| Enumeration date | 2006-06-09 |
| Last updated in NPPES | 2007-11-26 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 174400000X | Specialist | Secondary | G6310 | TX |
| 2080N0001X | Neonatal-Perinatal Medicine Physician | Primary | G6310 | TX |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Copy-ready billing details
Provider: William Hyde, M.D. NPI: 1366483349 Taxonomy: 2080N0001X (Neonatal-Perinatal Medicine Physician) Address: 4900 MUELLER BLVD, NICU 4B062, Austin, TX, 78723
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1932102175 | Cathleen Havemann | Individual | Pediatrics Physician | Austin, TX |
| 1962463612 | Jane Ripperger-Suhler | Individual | Psychiatry Physician | Austin, TX |
| 1831151604 | Daniel Stromberg | Individual | Pediatric Cardiology Physician | Austin, TX |
| 1972542041 | Taimur Zeb | Individual | Neonatal-Perinatal Medicine Physician | Austin, TX |
| 1942243555 | Jamie Penk | Individual | Pediatric Critical Care Medicine Physician | Austin, TX |
| 1427084797 | Valliammai Annamalai-Slavis | Individual | Pediatrics Physician | Austin, TX |
| 1912938630 | Sarah Legett | Individual | Pediatric Hospice and Palliative Medicine Physician | Austin, TX |
| 1245263805 | Keena Chung | Individual | Acute Care Nurse Practitioner | Austin, TX |
Verify this record
Cross-check NPI 1366483349 against the authoritative CMS record: view Dr. William Harold Hyde on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-11-26.