NPI Portal NPI Lookup & Verification

Harry Clifford Walker, P.A.

Harry Clifford Walker is a Physician Assistant provider (Physician Assistant) practicing in Round Rock, TX, registered in the NPPES registry with NPI 1174599021 since 2006. The credential PA stands for Physician Assistant. Practices at Scott and White Healthcare (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI 1174599021
Entity type Individual (Type 1)
Name Harry Clifford Walker
Credential P.A.
Sex Male
Practice address 302 UNIVERSITY BLVD, Round Rock, TX, 78665
Phone 5125090200
Fax 5122186330
Enumeration date 2006-02-28
Last updated in NPPES 2022-01-25

Taxonomy & licenses

Taxonomy code Specialty Primary License State
363A00000X Physician Assistant Primary PA02016 TX

PA — Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier Type State Issuer
208954201 Medicaid TX
Copy-ready billing details
Provider: Harry Walker, P.A.
NPI: 1174599021
Taxonomy: 363A00000X (Physician Assistant)
Address: 302 UNIVERSITY BLVD, Round Rock, TX, 78665

Other providers at this practice address

NPI Name Type Specialty Location
1225031305 Douglas Martin Individual Otolaryngology Physician Round Rock, TX
1598760720 Mark Santman Individual Orthopaedic Surgery of the Spine Physician Round Rock, TX
1548268501 Raymond Perkins Individual Pulmonary Disease Physician Round Rock, TX
1750381620 Lucas Jacomides Individual Urology Physician Round Rock, TX
1760482319 Brooke Leath Individual Obstetrics & Gynecology Physician Round Rock, TX
1548252588 Jaime Caro Individual Physician Assistant Round Rock, TX
1053307785 Jason Parker Individual Anesthesiology Physician Round Rock, TX
1003898446 Lisa Henderson Individual Certified Registered Nurse Anesthetist Round Rock, TX

Verify this record

Cross-check NPI 1174599021 against the authoritative CMS record: view Harry Clifford Walker 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

Where does Harry Walker practice?
The practice location on file with NPPES is in Round Rock, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Harry Walker?
The National Provider Identifier (NPI) for Harry Walker is 1174599021, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2022-01-25.