Catherine Bridget O'Brien, NPP., APRN
Psychiatric/Mental Health Nurse Practitioner · Smithtown, NY
Catherine Bridget O'Brien, NPP., APRN is a psychiatric/mental health nurse practitioner with a practice address in Smithtown, New York, and NPI 1578513107, issued on May 12, 2006. Check the license (New York F400083, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Bridget O'Brien
- Credential
- NPP., APRN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- F400083 NY
Self-reported in NPPES; status is on the state search - Practice location
- 637 Veterans Hwy, Smithtown, NY 11787
- Phone
- (631) 656-9761
- Enumerated
- May 12, 2006
- Record last updated
- Jan 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (631) 656-9765
- Medicare enrollment
- Enrolled (PECOS I20070815000609); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- 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 637 Veterans Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diana Faraci, LCSWMental Health Counselor1790967388
Verify Catherine Bridget 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 F400083Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,340 Medicare Part D claims for 119 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.
Most prescribed
- Quetiapine Fumarate203 claims
- Escitalopram Oxalate105 claims
- Venlafaxine Hcl Er100 claims
- Mirtazapine77 claims
- Trazodone Hcl74 claims
- Clonazepam71 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 98.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $187.03
7 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Meeting House Lane Medical Practice PCSouthampton, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Bridget O'Brien among 4,129 psychiatric/mental health nurse practitioner records in New York
Catherine Bridget O'Brien, NPP., APRN 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 92% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1995 · median 2021 among the 1,914 with a school on file
- Record last updated2015 · 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).
22 psychiatric/mental health nurse practitioner records list a practice address in Smithtown
They are 22 of the 1,907 NPPES records with a practice address in Smithtown, and 4,129 psychiatric/mental health nurse practitioner records in New York.
All 4,129 in New York → Every provider in Smithtown → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Timothy Aiello, NPPSmithtown, NY 117871851815716
- Bernadette Barron, N.P.Smithtown, NY 117871679871032
- Diane Boaro, APRN, MS, PMHNP-BCSmithtown, NY 117871427175348
- Tracey Brown, NPPSmithtown, NY 117871649436957
- Eileen Levy, NPPSmithtown, NY 117871710024211
- Denise Lundquist, NPSmithtown, NY 117871285187302
- Perrine Nixon, NPSmithtown, NY 117871922112028
- Lorraine Ricciardi Golden, N.P.P.,R.N.Smithtown, NY 117871679606784
Common questions
What is Catherine Bridget O'Brien, NPP., APRN's NPI number?
Catherine Bridget O'Brien, NPP., APRN's National Provider Identifier (NPI) is 1578513107, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Bridget O'Brien, NPP., APRN located?
The NPPES record lists a practice address at 637 Veterans Hwy, Smithtown, NY, 11787. Phone: (631) 656-9761. Providers update this record themselves, so call before visiting.
How can I verify Catherine Bridget O'Brien, NPP., APRN's license?
NPPES lists New York license number F400083, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Bridget O'Brien, NPP., APRN prescribe under Medicare Part D?
In 2024, Catherine Bridget O'Brien, NPP., APRN had 1,340 Medicare Part D claims for 119 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
What is Catherine Bridget O'Brien, NPP., APRN's MIPS final score?
The 2023 MIPS final score is 98.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.