NPPES file of Aug 9, 2026

Stephen Christopher Marshall

Psychiatric/Mental Health Nurse Practitioner · Brookhaven, NY

Stephen Christopher Marshall is a psychiatric/mental health nurse practitioner with a practice address in Brookhaven, New York, and NPI 1700590023, issued on Jan 11, 2023. Check the license (New York F40445-01, 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
1700590023
Name
Stephen Christopher Marshall
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
F40445-01 NY
Self-reported in NPPES; status is on the state search
Practice location
9 Newey LN, Brookhaven, NY 11719
Phone
(631) 946-9800
Enumerated
Jan 11, 2023
Record last updated
Jan 11, 2023
Medicare enrollment
Enrolled (PECOS I20260227001258); may accept 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 9 Newey LN

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

  1. Shannon Marshall, LCSWClinical Social Worker1386160901

Verify Stephen Christopher Marshall 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 F40445-01
    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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Industry payments in 2024: $33.06

2 payments; by number, the most common kind was food and beverage; the largest payer was Almatica Pharma LLC. 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. Stephen Marshall$33.06
  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.

Stephen Christopher Marshall among 4,129 psychiatric/mental health nurse practitioner records in New York

Stephen Christopher Marshall 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 updated2023 · 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).

1 psychiatric/mental health nurse practitioner record lists a practice address in Brookhaven

They are 1 of the 48 NPPES records with a practice address in Brookhaven, 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. Kathleen Bowen-Sklar, PMHNP-BCSouth Setauket, NY 117201326278516
  2. Filomena Buncke, PHD, NPSouth Setauket, NY 117201306911748
  3. Kimberly Buncke, NPSouth Setauket, NY 117201912308883
  4. Deborah Carney, RN NPPCentereach, NY 117201982929071
  5. Michael Chiarello, PHD, NPSouth Setauket, NY 117201235204678
  6. Amber Fales, ACRN, NPCentereach, NY 117201568149573
  7. Lindsey Freking, PMHNP, RNCentereach, NY 117201215374665
  8. Kendall GodtCentereach, NY 117201487338406

Common questions

What is Stephen Christopher Marshall's NPI number?

Stephen Christopher Marshall's National Provider Identifier (NPI) is 1700590023, issued on Jan 11, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Christopher Marshall located?

The NPPES record lists a practice address at 9 Newey LN, Brookhaven, NY, 11719. Phone: (631) 946-9800. Providers update this record themselves, so call before visiting.

How can I verify Stephen Christopher Marshall's license?

NPPES lists New York license number F40445-01, 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.