Doctor profile · Federal record

Dr. James O'Halloran, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Staten Island, NY

  • NPI 1912352105
  • Accepts Medicare
  • MIPS 86.4 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
475 Seaview Ave
Staten Island, NY 103053436
(718) 226-1548
Additional location
64 Robbins St
Waterbury, CT 067082613
(330) 664-4512

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
June 10, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Connecticut #63597

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912352105. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
259
Distinct HCPCS
5
Medicare allowed
$36,843
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 118 115 $181
99284 Emergency department visit with moderate level of medical decision making 80 80 $125
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 28 26 $8
99291 Critical care, first 30-74 minutes 19 19 $221
99283 Emergency department visit with low level of medical decision making 14 14 $74

In context: peer comparison

Among 37 peers in this city , average services per provider: 80. This provider delivers 3.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
44
Patients
44
Total drug cost
$316
Drug Type Claims Patients Total cost
Cephalexin Generic 20 20 $194
Ondansetron Odt (Ondansetron) Brand 13 13 $95
Oxycodone Hcl Generic 11 11 $27

Frequently asked questions

Auto-generated from federal data
What is Dr. James O'Halloran's medical specialty?
Dr. James O'Halloran practices Emergency Medicine Physician in Staten Island, NY.
Where does Dr. James O'Halloran practice?
Dr. James O'Halloran practices at 475 Seaview Ave, Staten Island, NY 103053436. Office phone: 7182261548.
What is Dr. James O'Halloran's NPI?
Dr. James O'Halloran's National Provider Identifier (NPI) is 1912352105, issued by NPPES.
Does Dr. James O'Halloran accept Medicare assignment?
Yes. Dr. James O'Halloran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James O'Halloran 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.