GARY J LEO (D.O) – Neurology Physician, NPI 1336182237
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for GARY J LEO (D.O)
Columbia College of Nursing, 4425, North Port Washington Road, Grover Heights, Glendale, Milwaukee County, Wisconsin, 53212, United States
CSMCP CLINIC CREDENTIALING
GLENDALE, WI 532121082
Phone: (414) 319-3000
Fax: (414) 319-3033
Type: Mailing
2311, North Prospect Avenue, Northpoint, Milwaukee, Milwaukee County, Wisconsin, 53211, United States
MILWAUKEE, WI 532114445
Phone: (414) 319-3000
Fax: (414) 319-3033
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: 2005-12-20
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 |
|---|---|---|---|---|
| I20051220000834 | I | Neurology | WI | 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 53212)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| Diagnostic Radiology | WI | |
| D E R M A T O L O G Y | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| H E M A T O L O G Y/ O N C O L O G Y | WI | |
| - | WI | |
| - | WI | |
| - | WI |
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