DR. MARK D WEISSMAN (M.D.) – Emergency Medicine Physician, NPI 1366426538
Emergency Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,297 EMERGENCY MEDICINE in WI
Loading map...
Provider Addresses for DR. MARK D WEISSMAN (M.D.)
Oak Brook Post Office, 1314, Kensington Road, Oak Brook, DuPage County, Illinois, 60523, United States
MEA AEA KENOSH SC
OAK BROOK, IL 605223043
Phone: (630) 734-0200
Fax: (630) 734-1560
Type: Mailing
Aurora Medical Center, 10400, 75th Street, Pleasant Prairie, Kenosha County, Wisconsin, 53143, United States
AURORA MEDICAL CENTER
KENOSHA, WI 531427884
Phone: (262) 697-7000
Fax: (630) 734-1560
Type: Location
10400 75th St
Aurora Medical Center
Kenosha, WI 531427884
Phone: (262) 697-7000
Fax: (630) 734-1560
Type: Location
100 County Road B
Shawano, WI 541667072
Phone: (715) 524-2161
Fax: (715) 526-7308
Type: Location
3003 UNIVERSITY DR
MARINETTE, WI 541434110
Phone: (715) 735-4200
Type: Location
PO BOX 735044
CHICAGO, IL 606735044
Phone: (800) 326-2250
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $24.
Total Amount is formed as General ($24) + Research ($0) + Ownership ($0) = $24.
Last reported payment date: 2023-09-28 • Largest payer in this snapshot: Medline Industries LP ($24).
Total Amount
$24
General + Research + Ownership
Payments
1
Total payment records
General Amount
$24
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-09-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medline Industries LP | $24 |
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: 2015-06-18
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 |
|---|---|---|---|---|
| I20040813000380 | I | Emergency Medicine | IL | TBD |
| I20150618000437 | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 295 | 288 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 125 | 124 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 88 | 84 | $0 |
| 99291 | Critical care, first 30-74 minutes | 18 | 18 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 14 | 14 | $0 |
Insurance plans in this area (ZIP 60522)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| Family Practice | WI | |
| Geriatric Medicine, Internal Medicine | WI | |
| - | WI | |
| - | WI | |
| - | IL | |
| Family Practice | WI | |
| - | OH | |
| - | WI |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.