Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DANIEL O'BRIEN
ActiveDANIEL O'BRIEN is a Psychiatric/Mental Health Nurse Practitioner healthcare provider located in FALMOUTH, Massachusetts. NPI 1831687144 is currently active in the NPPES registry. Verify at CMS.
Psychiatric/Mental Health Nurse Practitioner · FALMOUTH, MA
Registration Details
- NPI Number
- 1831687144
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 23, 2018 (8.2737891753587 yrs)
- Last Updated
- Aug 21, 2025
- License
-
RN2320615 (MA)
Practice Information
- Address
-
316 GIFFORD ST STE 1FALMOUTH, MA, 025402962Browse MA providers · Browse ZIP 02540
- Phone
- 8573280724
- Fax
- 9497037789
- Primary Specialty
-
Psychiatric/Mental Health Nurse Practitioner
363LP0808X
Other Psychiatric/Mental Health Nurse Practitioner Providers in FALMOUTH, MA
| Name | Credential | NPI |
|---|---|---|
| KARYN MARIE ELLIS | DNP, RN | 1225178346 |
| DR. WILLIAM STEPHEN SUTTON-OHANNESIAN | DNP, PMHNP-BC | 1013261965 |
| TERESA ANN ALLEN | PMHNP | 1417621780 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.