Doctor profile · Federal record

Dr. William Kostis, PH.D., M.D.

Internal Medicine Physician (CMS: Cardiovascular Disease (Cardiology)) · Internal Medicine Physician · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Clinical Cardiac Electrophysiology Physician · Clinical Cardiac Electrophysiology Physician · New Brunswick, NJ

  • NPI 1922203439
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
125 Paterson St, Cab-5200
New Brunswick, NJ 089011962
(732) 235-6561

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
April 30, 2024
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
New Jersey #25MA09632800 · Massachusetts #240190

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922203439. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,035
Distinct HCPCS
10
Medicare allowed
$132,143
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 3,160 2,082 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 211 152 $140
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 139 89 $16
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 129 65 $127
93280 Programming of dual lead pacemaker system 94 59 $91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 69 65 $186
99291 Critical care, first 30-74 minutes 45 25 $223
99213 Established patient office or other outpatient visit, 20-29 minutes 43 40 $100
93284 Programming of multiple lead implantable defibrillator system 27 16 $120
93283 Programming of dual lead implantable defibrillator system 25 15 $111

In context: peer comparison

Among 37 peers in New Brunswick Internal Medicine Physician, average services per provider: 119. This provider delivers 34× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$183
Transactions
10
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 3 $48.54
Baxter Healthcare 2 $40.01
Pfizer INC. 2 $33.65
Boston Scientific Corporation 1 $21.42
AstraZeneca Pharmaceuticals Lp 1 $20.32
Lantheus Medical Imaging, INC. 1 $19.15

By nature of payment

Food and Beverage
$183

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,129
Patients
303
Total drug cost
$344,785
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 262 78 $8,073
Eliquis (Apixaban) Brand 218 55 $238,896
Atorvastatin Calcium Generic 129 39 $1,954
Losartan Potassium Generic 69 17 $826
Amiodarone Hcl Generic 58 19 $3,027
Xarelto (Rivaroxaban) Brand 56 13 $57,948
Furosemide Generic 49 18 $401
Clopidogrel (Clopidogrel Bisulfate) Brand 48 15 $828
Lisinopril Generic 41 12 $518
Sotalol (Sotalol Hcl) Brand 39 12 $1,270

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Kostis's medical specialty?
Dr. William Kostis practices Internal Medicine Physician in New Brunswick, NJ.
Where does Dr. William Kostis practice?
Dr. William Kostis practices at 125 Paterson St, New Brunswick, NJ 089011962. Office phone: 7322356561.
What is Dr. William Kostis's NPI?
Dr. William Kostis's National Provider Identifier (NPI) is 1922203439, issued by NPPES.
Does Dr. William Kostis accept Medicare assignment?
Yes. Dr. William Kostis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Kostis commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.