Doctor profile · Federal record
Dr. Marie O'Brien, ANP
Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Port Jefferson, NY
- NPI 1073860607
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 N Country RD
Port Jefferson, NY 117772119
(631) 473-1320
Credentials & registration
- NPI registered
- August 2012 — 14 yrs on file
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363LA2200X — NUCC code
- State license (1)
- New York #F306181-1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073860607. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
107
Distinct HCPCS
3
Medicare allowed
$12,609
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 39 | 29 | $116 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 37 | 23 | $77 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 31 | 29 | $169 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 89. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$84
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Braeburn Inc. | 1 | $84.02 |
By nature of payment
Frequently asked questions
What is Dr. Marie O'Brien's medical specialty?
Dr. Marie O'Brien practices Adult Health Nurse Practitioner in Port Jefferson, NY.
Where does Dr. Marie O'Brien practice?
Dr. Marie O'Brien practices at 75 N Country RD, Port Jefferson, NY 117772119. Office phone: 6314731320.
What is Dr. Marie O'Brien's NPI?
Dr. Marie O'Brien's National Provider Identifier (NPI) is 1073860607, issued by NPPES.
Does Dr. Marie O'Brien accept Medicare assignment?
Yes. Dr. Marie O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marie O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.