Doctor profile · Federal record

Dr. Harold Horowitz, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Brooklyn, NY

  • NPI 1528084274
  • Accepts Medicare
  • MIPS 83.0 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
506 6Th St
Brooklyn, NY 112153609
(718) 780-5257
fax (718) 780-3259

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 6, 2023
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
New York #155554
Medicaid
NY #00473038

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528084274. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
235
Distinct HCPCS
4
Medicare allowed
$20,271
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 97 43 $59
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 86 42 $92
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 27 27 $153
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 25 25 $99

In context: peer comparison

Among 30 peers in Brooklyn Infectious Disease Physician, average services per provider: 217. This provider delivers 1.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Harold Horowitz's medical specialty?
Dr. Harold Horowitz practices Infectious Disease Physician in Brooklyn, NY.
Where does Dr. Harold Horowitz practice?
Dr. Harold Horowitz practices at 506 6Th St, Brooklyn, NY 112153609. Office phone: 7187805257.
What is Dr. Harold Horowitz's NPI?
Dr. Harold Horowitz's National Provider Identifier (NPI) is 1528084274, issued by NPPES.
Does Dr. Harold Horowitz accept Medicare assignment?
Yes. Dr. Harold Horowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harold Horowitz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.