DR. ERIC WILLIAM SIMONS (MD) – Obstetrics & Gynecology Physician, NPI 1598762577
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,923 OBSTETRICS/GYNECOLOGY in IL
Provider Addresses for DR. ERIC WILLIAM SIMONS (MD)
912 N HENRIETTA ST
EFFINGHAM, IL 624011788
Phone: (312) 775-1100
Fax: (312) 775-1101
Type: Mailing
Memorial Hospital, 1401, West Locust Street, Stilwell, Adair County, Oklahoma, 74960, United States
STE 102
STILWELL, OK 749603275
Phone: (918) 696-4065
Fax: (918) 696-5971
Type: Mailing
100 MEDICAL PKWY
STE A
DENISON, IA 514422614
Phone: (712) 265-2700
Fax: (712) 263-1777
Type: Mailing
100 MEDICAL PKWY STE A
DENISON, IA 514422614
Phone: (712) 265-2700
Fax: (712) 263-1777
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: 2021-05-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20040802000091 | I | Obstetrics/Gynecology | IL | TBD |
| I20101020000593 | I | Obstetrics/Gynecology | MN | TBD |
| I20120924000793 | I | Obstetrics/Gynecology | OK | TBD |
| I20210511000657 | I | Obstetrics/Gynecology | IA | 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 62401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Certified Nurse Midwife (Cnm) | IL | |
| Certified Nurse Midwife (Cnm) | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Physician Assistant | IL | |
| Nurse Practitioner | IL | |
| Physician Assistant | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| 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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