Harry Clifford Walker, P.A.
Physician Assistant · Round Rock, TX
Harry Clifford Walker, P.A. is a physician assistant with a practice address in Round Rock, Texas, and NPI 1174599021, issued on Feb 28, 2006. Check the license (Texas PA02016, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Harry Clifford Walker
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA02016 TX
Self-reported in NPPES; status is on the state search - Practice location
- 302 University Blvd, Round Rock, TX 78665
- Phone
- (512) 509-0200
- Enumerated
- Feb 28, 2006
- Record last updated
- Jan 25, 2022
- Fax
- (512) 218-6330
- Medicaid ID
- 208954201 TX
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 302 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Harry Clifford Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA02016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
32 Medicare Part D claims for 25 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Harry Clifford Walker among 10,999 physician assistant records in Texas
Harry Clifford Walker, P.A. is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 86% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 physician assistant records list a practice address in Round Rock
They are 154 of the 3,815 NPPES records with a practice address in Round Rock, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in Round Rock → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jaime Caro, PACRound Rock, TX 786651548252588
- Barry Castaneda, P.A.Round Rock, TX 786651659395556
- Cassie Connerty, PA-CRound Rock, TX 786651790820397
- Harold Durbin, PACRound Rock, TX 786651154436269
- Kristin Hart, PACRound Rock, TX 786651053341974
- Karen Holmes, PARound Rock, TX 786651225091549
- Eric Kaszynski, PACRound Rock, TX 786651750438263
- Marcy Long, PA-CRound Rock, TX 786651437228111
Common questions
What is Harry Clifford Walker, P.A.'s NPI number?
Harry Clifford Walker, P.A.'s National Provider Identifier (NPI) is 1174599021, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harry Clifford Walker, P.A. located?
The NPPES record lists a practice address at 302 University Blvd, Round Rock, TX, 78665. Phone: (512) 509-0200. Providers update this record themselves, so call before visiting.
How can I verify Harry Clifford Walker, P.A.'s license?
NPPES lists Texas license number PA02016, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Harry Clifford Walker, P.A. prescribe under Medicare Part D?
In 2024, Harry Clifford Walker, P.A. had 32 Medicare Part D claims for 25 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.