Julie L. Williams, P.A.
Physician Assistant · Round Rock, TX
Julie L. Williams, P.A. is a physician assistant with a practice address in Round Rock, Texas, and NPI 1952427007, issued on Mar 21, 2007. Check the license with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julie L. Williams
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1201 Sam Bass RD, Round Rock, TX 78681
- Phone
- (512) 964-6992
- Enumerated
- Mar 21, 2007
- Record last updated
- Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (512) 388-0373
- Medicare enrollment
- Enrolled (PECOS I20100218000114); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 1201 Sam Bass RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Musgrove, MDPsychiatry Physician1033166368
- Donna Prokop-Fettig, P.A.-CMedical Physician Assistant1013153147
Verify Julie L. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average physician assistant in 2024
1,048 Medicare Part D claims for 106 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Alprazolam67 claims
- Fluoxetine Hcl67 claims
- Quetiapine Fumarate67 claims
- Gabapentin56 claims
- Clonazepam51 claims
- Lamotrigine48 claims
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.
Industry payments in 2024: $2,671.23
133 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Round Rock Mental Health PARound Rock, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julie L. Williams among 10,999 physician assistant records in Texas
Julie L. Williams, 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 2007, is newer than 14% of them.
- NPI issued2007 · 14% of these records are older, 80% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1998 · median 2017 among the 6,096 with a school on file
- Record last updated2021 · 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
- Kellie BehanRound Rock, TX 786811194106070
- Dustin Fontenot, P.A.Round Rock, TX 786811508046715
- Amy Frank, PA-CRound Rock, TX 786811538118807
- Peter Ibarra, PARound Rock, TX 786811225467095
- Jerry Johnson, PA-CRound Rock, TX 786811780779140
- Jessica Langston, P.A.Round Rock, TX 786811467638528
- Rachel Lawson, PARound Rock, TX 786811801239793
- Stefan McFarland, PARound Rock, TX 786811992104285
Common questions
What is Julie L. Williams, P.A.'s NPI number?
Julie L. Williams, P.A.'s National Provider Identifier (NPI) is 1952427007, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Julie L. Williams, P.A. located?
The NPPES record lists a practice address at 1201 Sam Bass RD, Round Rock, TX, 78681. Phone: (512) 964-6992. Providers update this record themselves, so call before visiting.
How can I verify Julie L. Williams, P.A.'s license?
Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Julie L. Williams, P.A. prescribe under Medicare Part D?
In 2024, Julie L. Williams, P.A. had 1,048 Medicare Part D claims for 106 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.