Adam Gordon O'Brien, APRN, RN, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Valhalla, NY
Adam Gordon O'Brien, APRN, RN, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Valhalla, New York, and NPI 1801592951, issued on Jan 31, 2023. Check the license (New York 404805, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Adam Gordon O'Brien
- Credential
- APRN, RN, PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 404805 NY
668512 NY
011631 CT
10.180247 CT
09190023 NH
and 2 more
Self-reported in NPPES; status is on the state search - Practice location
- 100 Woods RD, Valhalla, NY 10595
- Phone
- (914) 493-7182
- Enumerated
- Jan 31, 2023
- Record last updated
- Aug 7, 2026
- Fax
- (914) 493-7152
- Medicare enrollment
- Enrolled (PECOS I20230828000968); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,129 in New York → Look up another NPI →
Also registered at 100 Woods RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marie Abate, PA-CPhysician Assistant1285225524
- Shaimaa AbdallahStudent in an Organized Health Care Education/Training Program1215616321
- Omar Abdelkader, MDStudent in an Organized Health Care Education/Training Program1790571099
- Magdi Abdelrahman, MBBSStudent in an Organized Health Care Education/Training Program1669925178
- Ruba Abdul WahedStudent in an Organized Health Care Education/Training Program1821626011
- Ammar AbdulfattahStudent in an Organized Health Care Education/Training Program1982345740
Verify Adam Gordon O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 404805Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Westchester Medical Center Advanced Physician Services PCValhalla, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam Gordon O'Brien among 4,129 psychiatric/mental health nurse practitioner records in New York
Adam Gordon O'Brien, APRN, RN, PMHNP-BC is one of 4,129 psychiatric/mental health nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 76% of them.
- NPI issued2023 · 76% of these records are older, 17% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2022 · median 2021 among the 1,914 with a school on file
- Record last updated2026 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in New York
There are 4,129 psychiatric/mental health nurse practitioner records in New York.
All 4,129 in New York → Every provider in Valhalla → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Rebbecca Cohen, PMHNPValhalla, NY 105951861384943
- Amy Gershater, RN, PMHNPValhalla, NY 105951558601146
- Sarah Kent, N.P.Valhalla, NY 105951093011231
- Kyungae Kim, PMHNP-BC (PSYCHATRICValhalla, NY 105951801128053
- Elisabeth MaherValhalla, NY 105951508264490
- Deirdre Mullen, CRNAValhalla, NY 105951013012525
- Veronica O'Meally-Tully, FNPValhalla, NY 105951225444094
- John Regan, PMHNPValhalla, NY 105951477968709
Common questions
What is Adam Gordon O'Brien, APRN, RN, PMHNP-BC's NPI number?
Adam Gordon O'Brien, APRN, RN, PMHNP-BC's National Provider Identifier (NPI) is 1801592951, issued on Jan 31, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Adam Gordon O'Brien, APRN, RN, PMHNP-BC located?
The NPPES record lists a practice address at 100 Woods RD, Valhalla, NY, 10595. Phone: (914) 493-7182. Providers update this record themselves, so call before visiting.
How can I verify Adam Gordon O'Brien, APRN, RN, PMHNP-BC's license?
NPPES lists New York license number 404805, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.