Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MATTHEW STEPHEN DUNCAN DO, MS
NPI 1922610252
Psychiatry & Neurology - Psychiatry in Vauxhall, NJ

Q: What is Matthew Duncan's NPI number?

The NPI number for Matthew Duncan is 1922610252. It was assigned to this individual provider in the NPPES registry on August 18, 2020.

Q: What is Matthew Duncan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Duncan was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 18, 2020

3 FARRINGTON ST, VAUXHALL, NJ 07088(973) 762-4944 Get Directions Write a Review

NPPES record last updated: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Oct 1, 2026, Aug 18, 2020 (2 updates tracked since 2020).

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About Dr. Matthew Stephen Duncan Do, Ms NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MATTHEW STEPHEN DUNCAN DO, MS (NPI 1922610252) is an individual psychiatry provider in Vauxhall, New Jersey, licensed in New Jersey (25MB12916600) and active in the NPI registry since August 2020.

NPPES Registry Identity

NPI1922610252

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. MATTHEW STEPHEN DUNCANCredential: DO, MS

Location Address3 FARRINGTON STVauxhall, NJ 07088-1307

Mailing Address3 Farrington StVauxhall, NJ 07088-1307 · (862) 201-3856

Phone(973) 762-4944

Sole ProprietorNo

Enumeration DateAugust 18, 2020

Last NPPES UpdateOctober 1, 20262 updates tracked since enumeration

NPPES CertifiedOctober 1, 2026

✔ NPI 1922610252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in NJ · 25MB12916600

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · Addiction PsychiatryTaxonomy 2084P0802X · License 25MB12916600 (NJ)

3 FARRINGTON ST, Vauxhall, NJ 07088

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Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATHYANN S DUNCAN M.D.

Family Medicine