Doctor profile · Federal record

Dr. Erin O'Brien, PA-C

Physician Assistant · Medical Physician Assistant · Surgical Physician Assistant · Bay Shore, NY

  • NPI 1225538697
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 E Main St
Bay Shore, NY 117068408
(631) 968-3000

Credentials & registration

NPPES · NUCC
NPI registered
February 2018 — 8 yrs on file
Profile last updated
February 7, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225538697. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
27
Distinct HCPCS
2
Medicare allowed
$2,738
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 14 12 $77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $128

In context: peer comparison

Among 19 peers in Bay Shore Physician Assistant, average services per provider: 46. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$79
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Baxter Healthcare 2 $78.62

By nature of payment

Food and Beverage
$79

Frequently asked questions

Auto-generated from federal data
What is Dr. Erin O'Brien's medical specialty?
Dr. Erin O'Brien practices Physician Assistant in Bay Shore, NY.
Where does Dr. Erin O'Brien practice?
Dr. Erin O'Brien practices at 301 E Main St, Bay Shore, NY 117068408. Office phone: 6319683000.
What is Dr. Erin O'Brien's NPI?
Dr. Erin O'Brien's National Provider Identifier (NPI) is 1225538697, issued by NPPES.
Does Dr. Erin O'Brien accept Medicare assignment?
Yes. Dr. Erin O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erin O'Brien commonly perform?
Top Medicare-reported procedures in 2023: 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.