ERVIN WILLIAMS (CRNA) – Anesthesiologist Assistant, NPI 1699145417
Anesthesiologist Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
936 ANESTHESIOLOGY ASSISTANT in FL
Provider Addresses for ERVIN WILLIAMS (CRNA)
4048 EVANS AVE
STE 303
FORT MYERS, FL 339019322
Phone: (239) 332-5344
Fax: (239) 332-7246
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: 2015-12-01
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 |
|---|---|---|---|---|
| I20151201000011 | I | Anesthesiology Assistant | FL | 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 |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 46 | 46 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 33 | 32 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 24 | 24 | $0 |
| 00813 | Anesthesia for procedure on small and large bowel using an endoscope | 11 | 11 | $0 |
Insurance plans in this area (ZIP 33901)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | FL | |
| - | FL | |
| - | WA | |
| - | MI | |
| - | FL | |
| - | FL | |
| - | MD | |
| General Surgery | IL | |
| Emergency Medicine | FL | |
| A N E S T H E S I O L O G Y | IL |
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