MICHAEL CANNON WILLIAMSON (LCSW) – Clinical Social Worker, NPI 1649882622
Clinical Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,023 CLINICAL SOCIAL WORKER in VA
Provider Addresses for MICHAEL CANNON WILLIAMSON (LCSW)
675 PETER JEFFERSON PKWY STE 300
CHARLOTTESVLE, VA 229118618
Phone: (434) 817-6900
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: 2020-08-27
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 |
|---|---|---|---|---|
| I20200827003242 | I | Clinical Social Worker | VA | 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 |
|---|---|---|---|---|
| 90837 | Psychotherapy, 1 hour | 113 | 38 | $0 |
| 90846 | Family psychotherapy without patient, 50 minutes | 62 | 21 | $0 |
| 98968 | Telephone medical discussion provided by nonphysician professional, 21-30 minutes | 20 | 14 | $0 |
| 90834 | Psychotherapy, 45 minutes | 18 | 14 | $0 |
| 90832 | Psychotherapy, 30 minutes | 15 | 14 | $0 |
Insurance plans in this area (ZIP 22911)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA |
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