Doctor profile · Federal record

Dr. Terence Omalley, MD

Anesthesiology Physician · West Islip, NY

  • NPI 1003890013
  • 21 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Montauk Hwy, Good Samaritan Hospital Medical Center
West Islip, NY 11795
(631) 376-4088
fax (631) 376-3289
Mailing address
3 Boyle Road
Selden, NY 11784

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207L00000X — NUCC code
State license (1)
New York #1604611
Medicaid
NY #01105504

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003890013. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
49
Distinct HCPCS
4
Medicare allowed
$9,787
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 14 14 $152
00400 Anesthesia for other procedure on skin of arms, legs, and front body 12 12 $174
00530 Anesthesia for insertion of permanent heart pacemaker 12 12 $257
01922 Anesthesia for x-ray or radiation therapy 11 11 $227

In context: peer comparison

Among 10 peers in this city , average services per provider: 25. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Terence Omalley's medical specialty?
Dr. Terence Omalley practices Anesthesiology Physician in West Islip, NY.
Where does Dr. Terence Omalley practice?
Dr. Terence Omalley practices at 1000 Montauk Hwy, West Islip, NY 11795. Office phone: 6313764088.
What is Dr. Terence Omalley's NPI?
Dr. Terence Omalley's National Provider Identifier (NPI) is 1003890013, issued by NPPES.
What procedures does Dr. Terence Omalley commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on skin of arms, legs, and front body (HCPCS 00400); Anesthesia for insertion of permanent heart pacemaker (HCPCS 00530). Source: CMS Medicare Physician & Other Practitioners file.