Doctor profile · Federal record
Dr. Daniel O'Brien
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Falmouth, MA
- NPI 1831687144
- Accepts Medicare
- 3 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
316 Gifford St Ste 1
Falmouth, MA 025402962
(857) 328-0724
fax (949) 703-7789 - Mailing address
-
55 Beattie Pl Ste 810
Greenville, SC 296012191
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- August 21, 2025
- Year of graduation
- 2023 — 3 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State license (1)
- Massachusetts #RN2320615
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831687144. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, Inc | 1 | $124.69 |
By nature of payment
Frequently asked questions
What is Dr. Daniel O'Brien's medical specialty?
Dr. Daniel O'Brien practices Psychiatric/Mental Health Nurse Practitioner in Falmouth, MA.
Where does Dr. Daniel O'Brien practice?
Dr. Daniel O'Brien practices at 316 Gifford St Ste 1, Falmouth, MA 025402962. Office phone: 8573280724.
What is Dr. Daniel O'Brien's NPI?
Dr. Daniel O'Brien's National Provider Identifier (NPI) is 1831687144, issued by NPPES.
Does Dr. Daniel O'Brien accept Medicare assignment?
Yes. Dr. Daniel O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.