MR. WILLIAM S CHIZMAR (AA) – Anesthesiologist Assistant, NPI 1700999513
Anesthesiologist Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
39 ANESTHESIOLOGY ASSISTANT in MI
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Provider Addresses for MR. WILLIAM S CHIZMAR (AA)
3333, Evergreen Drive Northeast, Evergreen Lake Office Park, Grand Rapids Charter Township, Kent County, Michigan, 49525, United States
GRAND RAPIDS, MI 495259756
Phone: (616) 364-4200
Fax: (616) 364-7347
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.
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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: 2010-12-22
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 |
|---|---|---|---|---|
| I20101222000585 | I | Anesthesiology Assistant | MI | 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 | 23 | 23 | $0 |
Insurance plans in this area (ZIP 49525)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | TX | |
| Certified Registered Nurse Anesthetist (Crna) | MI | |
| - | MI | |
| Certified Registered Nurse Anesthetist (Crna) | MI | |
| A N E S T H E S I O L O G Y | MI | |
| A N E S T H E S I O L O G Y | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| A N E S T H E S I O L O G Y | MI |
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