DR. LORIN MERRILL BROWN (M.D.) – Pediatric Orthopaedic Surgery Physician, NPI 1376622936
Pediatric Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
668 ORTHOPEDIC SURGERY in IN
Provider Addresses for DR. LORIN MERRILL BROWN (M.D.)
1650 45TH AVE
SUITE F
MUNSTER, IN 463213962
Phone: (219) 924-6544
Type: Mailing
10855 Virginia St
Crown Point, IN 463070210
Phone: (773) 702-1000
Type: Location
150 HARVESTER DR STE 300
BURR RIDGE, IL 605275965
Phone:
Type: Mailing
5841 S MARYLAND AVE
CHICAGO, IL 606371443
Phone: (773) 702-1000
Type: Location
200, 45th Street, Munster, Bloom Township, Lake County, Indiana, 46321, United States
MUNSTER, IN 463213958
Phone: (219) 924-6544
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.
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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: 2022-08-18
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 |
|---|---|---|---|---|
| I20130424000110 | I | Orthopedic Surgery | IN | TBD |
| I20220818003117 | I | Orthopedic Surgery | 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 46321)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | IL | |
| N E U R O L O G Y | IL | |
| General Surgery | IN | |
| Pediatric Medicine, Emergency Medicine | IL | |
| - | IL | |
| - | IL | |
| Cardiovascular Disease (Cardiology) | IL | |
| - | IL | |
| Nurse Practitioner | MI | |
| Interventional Cardiology, Internal Medicine, Cardiovascular Disease (Cardiology) | IL |
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