DR. MICHAEL THOMAS WALSH (MD) – Neurological Surgery Physician, NPI 1922211788
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
327 NEUROSURGERY in IL
Provider Addresses for DR. MICHAEL THOMAS WALSH (MD)
1000 N WESTMORELAND RD # LEVEL3
LAKE FOREST, IL 600451658
Phone: (847) 535-7271
Fax: (847) 535-8488
Type: Mailing
Northwestern Medicine Lake Forest Health & Fitness Center, 1200, North Westmoreland Road, Deerpath, Lake Forest, Lake, Illinois, 60045, United States
STE 100
LAKE FOREST, IL 600451601
Phone: (847) 535-8500
Fax: (847) 535-8488
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $862.
Total Amount is formed as General ($362) + Research ($500) + Ownership ($0) = $862.
Last reported payment date: 2024-10-17 • Largest payer in this snapshot: Hubly Incorporated ($500).
Total Amount
$862
General + Research + Ownership
Payments
5
Total payment records
General Amount
$362
General payments
Research Amount
$500
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hubly Incorporated | $500 |
| Nevro Corp. | $150 |
| Boston Scientific Corporation | $147 |
| Medtronic, Inc. | $48 |
| Integra LifeSciences Corporation | $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: 2011-05-09
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 |
|---|---|---|---|---|
| I20090904000242 | I | Neurosurgery | IL | TBD |
| I20110509000001 | I | Neurosurgery | TN | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 18 | 17 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 12 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 12 | 12 | $0 |
| 61781 | Computer-assisted procedure inside brain | 11 | 11 | $0 |
Insurance plans in this area (ZIP 60045)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROSURGERY | IL | 63048 | Partial removal of spine bone with release of spinal cord and/or nerves | 14 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| P A T H O L O G Y | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| Internal Medicine | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | MN | |
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| Nurse Practitioner | IL |
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