Doctor profile · Federal record

Dr. Stasha O'Callaghan, MD

Student in an Organized Health Care Education/Training Program · New York, NY

  • NPI 1154812998
  • 8 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
550 1St Ave
New York, NY 10016
(212) 263-5506
Additional location
462 1St Ave
New York, NY 100169196
(212) 562-4141
Mailing address
227 E 12Th St Apt 3C
New York, NY 100039166

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
July 2, 2018
Specialty taxonomy
390200000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154812998. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
35
Distinct HCPCS
2
Medicare allowed
$5,950
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 19 17 $199
99284 Emergency department visit with moderate level of medical decision making 16 16 $136

In context: peer comparison

Among 87 peers in this city , average services per provider: 115. This provider delivers 0.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Stasha O'Callaghan's medical specialty?
Dr. Stasha O'Callaghan practices Student in an Organized Health Care Education/Training Program in New York, NY.
Where does Dr. Stasha O'Callaghan practice?
Dr. Stasha O'Callaghan practices at 550 1St Ave, New York, NY 10016. Office phone: 2122635506.
What is Dr. Stasha O'Callaghan's NPI?
Dr. Stasha O'Callaghan's National Provider Identifier (NPI) is 1154812998, issued by NPPES.
What procedures does Dr. Stasha O'Callaghan 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.