MICHAEL J. HARTMANN (MD) – Emergency Medicine Physician, NPI 1013073253
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MICHAEL J. HARTMANN (MD)
Mercy Health Hospital & Trauma Center, 1000, Mineral Point Avenue, Janesville, Rock County, Wisconsin, 53548, United States
JANESVILLE, WI 535482940
Phone: (608) 756-6111
Fax: (608) 756-6177
Type: Mailing
1000 Mineral Point Ave
Janesville, WI 53548
Phone: (608) 756-6111
Fax: (608) 756-6177
Type: Location
801 S WASHINGTON ST
NAPERVILLE, IL 605407430
Phone: (630) 527-3000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $20.
Total Amount is formed as General ($20) + Research ($0) + Ownership ($0) = $20.
Last reported payment date: 2023-01-31 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($20).
Total Amount
$20
General + Research + Ownership
Payments
1
Total payment records
General Amount
$20
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-01-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $20 |
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: 2013-10-11
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 |
|---|---|---|---|---|
| I20041102000057 | I | Emergency Medicine | IL | TBD |
| I20131011000349 | 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 | 380 | 375 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 362 | 343 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 172 | 170 | $0 |
| 99291 | Critical care, first 30-74 minutes | 68 | 67 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 32 | 31 | $0 |
Insurance plans in this area (ZIP 53548)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | IL | |
| Nurse Practitioner | MI | |
| - | IL | |
| Emergency Medicine | IL | |
| Emergency Medicine | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Nurse Practitioner | IL |
Reviews
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