Doctor profile · Federal record

Dr. William Apterbach, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Flushing, NY

  • NPI 1114242054
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5645 Main St
Flushing, NY 113555045
(718) 670-1231

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
May 5, 2013
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
New York #269509

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114242054. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
2
Medicare allowed
$16,724
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 68 68 $206
99284 Emergency department visit with moderate level of medical decision making 19 19 $141

In context: peer comparison

Among 37 peers in this city , average services per provider: 81. This provider delivers 1.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Apterbach's medical specialty?
Dr. William Apterbach practices Emergency Medicine Physician in Flushing, NY.
Where does Dr. William Apterbach practice?
Dr. William Apterbach practices at 5645 Main St, Flushing, NY 113555045. Office phone: 7186701231.
What is Dr. William Apterbach's NPI?
Dr. William Apterbach's National Provider Identifier (NPI) is 1114242054, issued by NPPES.
Does Dr. William Apterbach accept Medicare assignment?
Yes. Dr. William Apterbach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Apterbach commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.