Joan Catherine Mahoney, NP
Psychiatric/Mental Health Nurse Practitioner · Smithtown, NY
Joan Catherine Mahoney, NP is a psychiatric/mental health nurse practitioner with a practice address in Smithtown, New York, and NPI 1508484635, issued on Jul 6, 2020. Check the license (New York 405325, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joan Catherine Mahoney
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 405325 NY
431760 NY
Self-reported in NPPES; status is on the state search - Practice location
- 732 Smithtown Byp Ste 206, Smithtown, NY 11787
- Phone
- (631) 485-6074
- Enumerated
- Jul 6, 2020
- Record last updated
- Sep 19, 2024
- Fax
- (631) 532-4060
- 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 732 Smithtown Byp Ste 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tamara Crane, LMSWSocial Worker1184570954
- Matthew Gee, LCSW PHDClinical Social Worker1710971692
- Paige MeshconMental Health Counselor1386599496
- Deborah Sexton, LCSWClinical Social Worker1811060437
Verify Joan Catherine Mahoney 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 405325Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
212 Medicare Part D claims for 66 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Duloxetine Hcl15 claims
- Gabapentin15 claims
- Quetiapine Fumarate14 claims
- Clonazepam12 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.
Industry payments in 2024: $2,133.95
76 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, 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.
Joan Catherine Mahoney among 4,129 psychiatric/mental health nurse practitioner records in New York
Joan Catherine Mahoney, NP 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 2020, is newer than 58% of them.
- NPI issued2020 · 58% of these records are older, 37% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2024 · 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
- Catherine O'Brien, NPP., APRNSmithtown, NY 117871578513107
Common questions
What is Joan Catherine Mahoney, NP's NPI number?
Joan Catherine Mahoney, NP's National Provider Identifier (NPI) is 1508484635, issued on Jul 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Joan Catherine Mahoney, NP located?
The NPPES record lists a practice address at 732 Smithtown Byp Ste 206, Smithtown, NY, 11787. Phone: (631) 485-6074. Providers update this record themselves, so call before visiting.
How can I verify Joan Catherine Mahoney, NP's license?
NPPES lists New York license number 405325, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Joan Catherine Mahoney, NP prescribe under Medicare Part D?
In 2024, Joan Catherine Mahoney, NP had 212 Medicare Part D claims for 66 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions 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.