NPPES file of Aug 9, 2026

Susan M. Trees, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Central Islip, NY

Susan M. Trees, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Central Islip, New York, and NPI 1912219841, issued on Jul 8, 2010. Check the license (New York 402351, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912219841
Name
Susan M. Trees
Credential
PMHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
402351 NY
525012 NY
Self-reported in NPPES; status is on the state search
Practice location
159 Carleton Ave, Central Islip, NY 11722
Phone
(631) 650-2510
Enumerated
Jul 8, 2010
Record last updated
May 16, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181009002042); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 159 Carleton Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicole BalzafioreClinical Social Worker1568040319
  2. Christina Bianchini, DPTPhysical Therapist1235416397
  3. Lynn Boniecki Savino, PTPhysical Therapist1346382124
  4. Joanne Calamis, DENTAL HYGIENISTDental Hygienist1861061020
  5. Susann Cuccia, RDHDental Hygienist1316633936
  6. Triz Ann Dearoz, OTR/LOccupational Therapist1255099057

Verify Susan M. Trees in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 402351
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

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9% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

992 Medicare Part D claims for 77 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Susan Trees992
  2. Specialty average906

Most prescribed

  1. Fluoxetine Hcl84 claims
  2. Risperidone76 claims
  3. Divalproex Sodium70 claims
  4. Quetiapine Fumarate59 claims
  5. Aripiprazole51 claims
  6. Benztropine Mesylate46 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: $267.37

7 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, 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.

  1. Susan Trees$267.37
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Susan M. Trees among 4,129 psychiatric/mental health nurse practitioner records in New York

Susan M. Trees, PMHNP 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 2010, is newer than 18% of them.

  • NPI issued2010 · 18% of these records are older, 78% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2017 · median 2021 among the 1,914 with a school on file
  • Record last updated2019 · 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).

4 psychiatric/mental health nurse practitioner records list a practice address in Central Islip

They are 4 of the 482 NPPES records with a practice address in Central Islip, and 4,129 psychiatric/mental health nurse practitioner records in New York.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Tracy Dourdounas, N.P.Central Islip, NY 117221568787752
  2. Melvin George, RN, PMHNP-BCCentral Islip, NY 117221083471734
  3. Michele Seid, PMHNPCentral Islip, NY 117221023669348
  4. Kathleen Bowen-Sklar, PMHNP-BCSouth Setauket, NY 117201326278516
  5. Kimberly Buncke, NPSouth Setauket, NY 117201912308883
  6. Filomena Buncke, PHD, NPSouth Setauket, NY 117201306911748
  7. Deborah Carney, RN NPPCentereach, NY 117201982929071
  8. Michael Chiarello, PHD, NPSouth Setauket, NY 117201235204678

Common questions

What is Susan M. Trees, PMHNP's NPI number?

Susan M. Trees, PMHNP's National Provider Identifier (NPI) is 1912219841, issued on Jul 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Susan M. Trees, PMHNP located?

The NPPES record lists a practice address at 159 Carleton Ave, Central Islip, NY, 11722. Phone: (631) 650-2510. Providers update this record themselves, so call before visiting.

How can I verify Susan M. Trees, PMHNP's license?

NPPES lists New York license number 402351, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Susan M. Trees, PMHNP prescribe under Medicare Part D?

In 2024, Susan M. Trees, PMHNP had 992 Medicare Part D claims for 77 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.