MICHAEL WARREN – Pain Medicine (Anesthesiology) Physician, NPI 1093138075
Pain Medicine (Anesthesiology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
483 PAIN MANAGEMENT in IL
Provider Addresses for MICHAEL WARREN
1740 W Taylor St
Chicago, IL 606127232
Phone: (866) 600-2273
Type: Location
1701 W WASHINGTON BLVD
APT 1
CHICAGO, IL 606122637
Phone: (312) 320-3809
Type: Mailing
1740 W TAYLOR ST
CHICAGO, IL 606127232
Phone: (866) 600-2273
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $2,166.
Total Amount is formed as General ($2,166) + Research ($0) + Ownership ($0) = $2,166.
Last reported payment date: 2024-01-02 • Largest payer in this snapshot: Nevro Corp. ($1,859).
Total Amount
$2,166
General + Research + Ownership
Payments
11
Total payment records
General Amount
$2,166
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Nevro Corp. | $1,859 |
| Medtronic, Inc. | $125 |
| ABBVIE INC. | $80 |
| Boston Scientific Corporation | $69 |
| Amgen Inc. | $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: 2021-03-25
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 |
|---|---|---|---|---|
| I20200103000065 | I | Pain Management | PA | TBD |
| I20210325000749 | I | Pain Management | MI | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 236 | 105 | $0 |
| 62323 | Injection of substance into lower spine canal using imaging guidance | 55 | 41 | $0 |
| 27096 | Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance | 33 | 24 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 21 | 21 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 20 | 19 | $0 |
Insurance plans in this area (ZIP 60612)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IN | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| D E R M A T O L O G Y | MI | |
| - | MI | |
| E N D O C R I N O L O G Y | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| Hospitalist, Internal Medicine | MI | |
| - | MI | |
| Nurse Practitioner | MI |
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