MS. JULIE L WILLIAMS (P.A.) – Physician Assistant, NPI 1952427007
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,491 PHYSICIAN ASSISTANT in TX
Provider Addresses for MS. JULIE L WILLIAMS (P.A.)
1201 SAM BASS RD
ROUND ROCK, TX 786814137
Phone: (512) 964-6992
Fax: (512) 388-0373
Type: Mailing
1717 N IH 35 STE 200
ROUND ROCK, TX 786642901
Phone: (512) 964-6992
Fax: (512) 610-5679
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 242 Open Payments records for all available years, with a total value of $4,800.
Total Amount is formed as General ($4,800) + Research ($0) + Ownership ($0) = $4,800.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Otsuka America Pharmaceutical, Inc. ($731).
Total Amount
$4,800
General + Research + Ownership
Payments
242
Total payment records
General Amount
$4,800
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Otsuka America Pharmaceutical, Inc. | $731 |
| ABBVIE INC. | $518 |
| Alkermes, Inc. | $452 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | $263 |
| Lundbeck LLC | $263 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-02-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100218000114 | I | Physician Assistant | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 147 | 47 | $0 |
Insurance plans in this area (ZIP 78681)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Physician Assistant | FL |
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