ANDREW MICHAEL BROWN (MD) – Emergency Medicine Physician, NPI 1366553539
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for ANDREW MICHAEL BROWN (MD)
Oak Brook Post Office, 1314, Kensington Road, Oak Brook, DuPage County, Illinois, 60523, United States
OAK BROOK, IL 605225168
Phone: (630) 734-0200
Type: Mailing
Saint Catherine Hospital, 4321, Fir Street, Indiana Harbor, East Chicago, Lake County, Indiana, 46312, United States
EAST CHICAGO, IN 463123049
Phone: (219) 382-1700
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: 2011-03-31
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20040405001637 | I | Emergency Medicine | IL | TBD |
| I20110331000763 | I | Emergency Medicine | LA | 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 60522)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | LA | |
| - | MS | |
| Nurse Practitioner | LA | |
| Physician Assistant | OK |
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