DR. MARK WARREN HISER (M.D.) – Cardiovascular Disease Physician, NPI 1538184924
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
214 CARDIAC ELECTROPHYSIOLOGY in IL
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Provider Addresses for DR. MARK WARREN HISER (M.D.)
Rockford Post Office, 401, South Main Street, Downtown Rockford, Rockford, Rockford Township, Winnebago County, Illinois, 61101, United States
ROCKFORD, IL 611266003
Phone: (815) 398-3000
Fax: (815) 391-5096
Type: Mailing
Rockford Cardiovascular Association, 444, Roxbury Road, Rockford, Winnebago County, Illinois, 61107, United States
ROCKFORD, IL 611075059
Phone: (815) 398-3000
Fax: (815) 398-3041
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: 2004-04-21
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 |
|---|---|---|---|---|
| I20040421000089 | I | Cardiac Electrophysiology | IL | 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 |
|---|---|---|---|---|
| 93793 | Anticoagulant management of patient taking warfarin | 707 | 360 | $0 |
| 85610 | Blood test, clotting time | 243 | 29 | $0 |
| 93296 | Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | 89 | 54 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 70 | 58 | $0 |
| 93294 | Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 63 | 39 | $0 |
Insurance plans in this area (ZIP 61126)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | IL | 85610 | Blood test, clotting time | 930 | 64 |
| CARDIAC ELECTROPHYSIOLOGY | IL | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 12 | 12 |
| CARDIAC ELECTROPHYSIOLOGY | IL | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 242 | 104 |
| CARDIAC ELECTROPHYSIOLOGY | IL | 93284 | Evaluation, testing and programming adjustment of defibrillator with analysis, review and report | 99 | 43 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| - | IL | |
| - | TN | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Physician Assistant | MO | |
| - | IL |
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