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

DR. MARK JEFFREY HAUSER M.D.
NPI 1649231879
Psychiatry & Neurology - Forensic Psychiatry in Newton, MA

Q: What is Mark Hauser's NPI number?

The NPI number for Mark Hauser is 1649231879. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Q: What is Mark Hauser's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Forensic Psychiatry, with taxonomy code 2084F0202X.

Q: When was this NPI record last updated?

The NPPES record for Mark Hauser was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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 March 29, 2006

16 CONVERSE AVE, NEWTON, MA 02458(617) 969-6331(617) 969-6350 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About Dr. Mark Jeffrey Hauser M.d. NPPES

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

DR. MARK JEFFREY HAUSER M.D. (NPI 1649231879) is an individual forensic psychiatry provider in Newton, Massachusetts, licensed in Connecticut (028531) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1649231879

Entity TypeIndividualMale

Primary Taxonomy2084F0202X

Provider Legal NameDR. MARK JEFFREY HAUSERCredential: M.D.

Location Address16 CONVERSE AVENewton, MA 02458-2504

Mailing Address16 Converse AveNewton, MA 02458-2504 · (617) 969-6331 · Fax (617) 969-6350

Phone(617) 969-6331

Fax(617) 969-6350

Sole ProprietorNo

Enumeration DateMarch 29, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1649231879 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Forensic PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084F0202X

Licenses✔ Licensed in CT · 028531✔ Licensed in MA · 49874

Definition

Forensic Psychiatry is a subspecialty with psychiatric focus on interrelationships with civil, criminal and administrative law, evaluation and specialized treatment of individuals involved with the legal system, incarcerated in jails, prisons, and forensic psychiatry hospitals.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 49874 (MA), 028531 (CT)

16 CONVERSE AVE, Newton, MA 02458

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Other Identifiers 1

Medicaid3023656MA

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Hauser's NPI number?

The NPI number for Mark Hauser is 1649231879. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Mark Hauser located?

Mark Hauser practices at 16 Converse Ave, Newton, MA 02458. The listed phone number is (617) 969-6331.

What is Mark Hauser's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Forensic Psychiatry, with taxonomy code 2084F0202X.

When was this NPI record last updated?

The NPPES record for Mark Hauser was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.