Doctor profile · Federal record

Dr. William Katsiyiannis, MD

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Internal Medicine Physician · Cardiovascular Disease Physician · Minneapolis, MN

  • NPI 1811953987
  • Accepts Medicare
  • MIPS 83.5 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 E 28Th St
Minneapolis, MN 554073723
(612) 775-3030
Mailing address
2925 Chicago Ave
Minneapolis, MN 554071321

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
March 11, 2021
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State license (1)
Minnesota #46466

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811953987. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,012
Distinct HCPCS
10
Medicare allowed
$46,962
HCPCS Description Services Patients Avg allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 309 176 $23
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 212 123 $29
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 97 56 $36
99214 Established patient office or other outpatient visit, 30-39 minutes 82 81 $125
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 80 73 $14
93280 Programming of dual lead pacemaker system 75 65 $80
93279 Programming of single lead pacemaker system 32 25 $67
93281 Programming of multiple lead pacemaker system 30 21 $85
93286 Programming of single, dual, or multiple lead or leadless pacemaker system before or after surgery 24 11 $14
93283 Programming of dual lead implantable defibrillator system 23 20 $99

In context: peer comparison

Among 6 peers in Minneapolis Clinical Cardiac Electrophysiology Physician, average services per provider: 83. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$162
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 2 $162.24

By nature of payment

Food and Beverage
$162

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
868
Patients
206
Total drug cost
$499,627
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 299 73 $358,938
Flecainide Acetate Generic 142 44 $16,124
Metoprolol Succinate Generic 85 34 $2,932
Xarelto (Rivaroxaban) Brand 72 23 $108,911
Sotalol (Sotalol Hcl) Brand 68 21 $2,930
Propafenone Hcl Generic 34 0 $2,980
Amiodarone Hcl Generic 29 0 $810
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 24 0 $457
Metoprolol Tartrate Generic 22 11 $185
Carvedilol Generic 20 0 $249

Frequently asked questions

Auto-generated from federal data
What is Dr. William Katsiyiannis's medical specialty?
Dr. William Katsiyiannis practices Clinical Cardiac Electrophysiology Physician in Minneapolis, MN.
Where does Dr. William Katsiyiannis practice?
Dr. William Katsiyiannis practices at 800 E 28Th St, Minneapolis, MN 554073723. Office phone: 6127753030.
What is Dr. William Katsiyiannis's NPI?
Dr. William Katsiyiannis's National Provider Identifier (NPI) is 1811953987, issued by NPPES.
Does Dr. William Katsiyiannis accept Medicare assignment?
Yes. Dr. William Katsiyiannis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Katsiyiannis commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (HCPCS 93296); Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS 93294); Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (HCPCS 93295). Source: CMS Medicare Physician & Other Practitioners file.