DR. LEO TREYSMAN (M.D.) – Emergency Medicine Physician, NPI 1184838575
Emergency Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. LEO TREYSMAN (M.D.)
2661 County Highway I
Chippewa Falls, WI 547295407
Phone: (715) 723-1811
Type: Location
900 W Clairemont Ave
Eau Claire, WI 547016122
Phone: (715) 717-4121
Type: Location
1740 W Taylor St
Chicago, IL 606127232
Phone: (866) 600-2273
Type: Location
626 NAPLES CT
GLENVIEW, IL 600253815
Phone: (847) 699-2387
Type: Mailing
PO BOX 735044
CHICAGO, IL 606735044
Phone: (800) 326-2250
Type: Mailing
1032 E SUMNER ST
HARTFORD, WI 530271608
Phone: (262) 673-2300
Type: Location
University of Illinois at Chicago Hospital (UICH), 1740, West Taylor Street, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60612, United States
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)
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: 2011-07-05
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 |
|---|---|---|---|---|
| I20110705000456 | I | Emergency Medicine | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99284 | Emergency department visit with moderate level of medical decision making | 44 | 44 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 42 | 42 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 33 | 30 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 17 | 17 | $0 |
Insurance plans in this area (ZIP 54729)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | IL | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 14 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Physician Assistant | WI | |
| - | WI | |
| Nurse Practitioner | WI | |
| - | WI |
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