WILLIAM T KATSIYIANNIS (MD) – Clinical Cardiac Electrophysiology Physician, NPI 1811953987
Clinical Cardiac Electrophysiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
111 CARDIAC ELECTROPHYSIOLOGY in MN
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Provider Addresses for WILLIAM T KATSIYIANNIS (MD)
Chicago Av, Washington Avenue South, Minneapolis, Hennepin County, Minnesota, 55415:55454, United States
MINNEAPOLIS, MN 554071321
Phone: (612) 262-5000
Type: Mailing
Abbott Northwestern Hospital, 800, East 28th Street, Midtown Phillips, Phillips, Minneapolis, Hennepin County, Minnesota, 55407, United States
MINNEAPOLIS, MN 554073723
Phone: (612) 775-3030
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $162.
Total Amount is formed as General ($162) + Research ($0) + Ownership ($0) = $162.
Last reported payment date: 2024-09-20 • Largest payer in this snapshot: Medtronic, Inc. ($162).
Total Amount
$162
General + Research + Ownership
Payments
2
Total payment records
General Amount
$162
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $162 |
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: 2004-06-17
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 |
|---|---|---|---|---|
| I20040617000644 | I | Cardiac Electrophysiology | MN | 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 |
|---|---|---|---|---|
| 93296 | Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | 309 | 176 | $0 |
| 93294 | Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 212 | 123 | $0 |
| 93295 | Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 97 | 56 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 82 | 81 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 80 | 73 | $0 |
Insurance plans in this area (ZIP 55407)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | MN | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 170 | 124 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease | CO | |
| Qualified Audiologist | MN | |
| Family Practice | MN | |
| - | MN | |
| Family Practice | MN | |
| Nurse Practitioner | ND | |
| - | MN | |
| - | MN | |
| - | MN | |
| - | MN |
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