WILLIAM EDWARD IV GREER (PA-C) – Physician Assistant, NPI 1336397355
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,035 PHYSICIAN ASSISTANT in IL
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Provider Addresses for WILLIAM EDWARD IV GREER (PA-C)
1025 S 6TH ST
SPRINGFIELD, IL 627032403
Phone: (217) 528-7541
Fax: (217) 525-7616
Type: Mailing
Memorial Medical Center, 701, North 1st Street, Springfield, Sangamon County, Illinois, 62781, United States
SPRINGFIELD, IL 627810001
Phone: (217) 588-2726
Fax: (217) 588-6464
Type: Location
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: 2008-09-27
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 |
|---|---|---|---|---|
| I20080927000258 | I | Physician Assistant | IL | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 62703)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Internal Medicine | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Diagnostic Radiology | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL |
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