DANIEL A WILLIAMS (PA-C) – Physician Assistant, NPI 1528140647
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DANIEL A WILLIAMS (PA-C)
19465 DEERFIELD AVE STE 405
LEESBURG, VA 201761707
Phone: (703) 858-1800
Fax: (703) 858-1801
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2019-06-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20070723000089 | I | Physician Assistant | VA | TBD |
| I20190607001996 | I | Physician Assistant | DC | 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 |
|---|---|---|---|---|
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 367 | 30 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 58 | 31 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 47 | 47 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 44 | 42 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 25 | 21 | $0 |
Insurance plans in this area (ZIP 20176)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | VA | |
| - | VA | |
| - | VA |
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