JEFFREY J WILLIAMS (D.O.) – Obstetrics & Gynecology Physician, NPI 1134328644
Obstetrics & Gynecology Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,923 OBSTETRICS/GYNECOLOGY in IL
Provider Addresses for JEFFREY J WILLIAMS (D.O.)
20201 Crawford Ave
Olympia Fields, IL 604611010
Phone: (708) 679-2160
Type: Location
9223, West Saint Francis Road, Frankfort, Will County, Illinois, 60423, United States
2ND FLOOR
FRANKFORT, IL 604238330
Phone: (815) 806-3111
Fax: (815) 464-2621
Type: Mailing
305, Vine Street, New Lenox, Will County, Illinois, 60451, United States
NEW LENOX, IL 604511666
Phone: (815) 463-4746
Fax: (815) 463-4937
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $404.
Total Amount is formed as General ($404) + Research ($0) + Ownership ($0) = $404.
Last reported payment date: 2024-09-19 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($186).
Total Amount
$404
General + Research + Ownership
Payments
8
Total payment records
General Amount
$404
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $186 |
| Organon LLC | $107 |
| Astellas Pharma US Inc | $93 |
| ViiV Healthcare Company | $17 |
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: 2007-08-14
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 |
|---|---|---|---|---|
| I20070814000078 | I | Obstetrics/Gynecology | 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 60461)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Family Practice | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Nurse Practitioner | IL | |
| Internal Medicine, Infectious Disease | IL | |
| - | IL | |
| P S Y C H I A T R Y | IL |
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