Doctor profile · Federal record

Dr. James Horowitz, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Critical Care Medicine (Internal Medicine) Physician · Student in an Organized Health Care Education/Training Program · Internal Medicine Physician · New York, NY

  • NPI 1831374131
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
550 1St Avenue, Skirball 9R
New York, NY 10016
(212) 263-7000

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
April 2, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
New York #244152

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831374131. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
397
Distinct HCPCS
6
Medicare allowed
$73,297
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 243 75 $239
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 60 42 $133
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 25 $89
99238 Hospital discharge day management, 30 minutes or less 30 30 $88
76937 Ultrasonic guidance for blood vessel access 17 13 $16
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 12 11 $96

In context: peer comparison

Among 234 peers in New York Cardiovascular Disease Physician, average services per provider: 176. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$558
Transactions
19
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Philips North America LLC 3 $213.11
Nuwellis, INC. 2 $63.76
Pfizer INC. 2 $50.26
Novartis Pharmaceuticals Corporation 2 $45.46
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 3 $40.21
AstraZeneca Pharmaceuticals Lp 2 $36.60
E.R. Squibb & Sons, L.L.C. 1 $25.48
Amgen INC. 1 $23.69
Inari Medical, INC. 1 $23.26
Abiomed 1 $18.01
Janssen Pharmaceuticals, INC 1 $17.71

By nature of payment

Food and Beverage
$558

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Horowitz's medical specialty?
Dr. James Horowitz practices Cardiovascular Disease Physician in New York, NY.
Where does Dr. James Horowitz practice?
Dr. James Horowitz practices at 550 1St Avenue, New York, NY 10016. Office phone: 2122637000.
What is Dr. James Horowitz's NPI?
Dr. James Horowitz's National Provider Identifier (NPI) is 1831374131, issued by NPPES.
Does Dr. James Horowitz accept Medicare assignment?
Yes. Dr. James Horowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Horowitz commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.