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

DR. ALAN S BARRY MD
NPI 1750371431
Psychiatry & Neurology - Addiction Psychiatry in Belmont, MA

Active since October 25, 2005Opted out of Medicare · through Jan 1, 2027
115 MILL ST, BELMONT, MA 02478(617) 855-2786(617) 855-2699 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Alan S Barry Md NPPES

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

DR. ALAN S BARRY MD (NPI 1750371431) is an individual addiction psychiatry provider in Belmont, Massachusetts, licensed in Massachusetts (39462) and active in the NPI registry since October 2005. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1750371431
Entity TypeIndividualMale
Primary Taxonomy2084P0802X
Provider Legal NameDR. ALAN S BARRYCredential: MD
Location Address115 MILL STBelmont, MA 02478-1041
Mailing Address139 Bishops Forest DrWaltham, MA 02452-8800 · (617) 855-2786 · Fax (617) 855-2699
Phone(617) 855-2786
Fax(617) 855-2699
Sole ProprietorNo
Enumeration DateOctober 25, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1750371431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0802X
License✔ Licensed in MA · 39462
Definition
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
115 MILL ST, Belmont, MA 02478
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Dr. Alan S Barry Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2017 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2017
Opt-Out In Effect ThroughJanuary 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 20

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

KATY TARELLA LICSW
Social Worker (Clinical)
115 MILL ST, MAILSTOP 137
BELMONT, MA 02478
Middlesex County (617) 855-4178
EVAN D MURRAY MD
Psychiatry & Neurology (Neurology)
115 MILL ST, MCLEAN HOSPITAL
BELMONT, MA 02478
Middlesex County (617) 855-2354
MIQVEH STEINHART
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3118
DANIELLE PACE PSYD
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-2000
DR. MARNI JOY CHANOFF MD
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3937
DR. NANCY ANN HUXLEY PH.D.
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3645
JOAN MARTHA COTTLER LICSW
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3623
PROF. BRUCE MICHAEL COHEN M.D., PH.D.
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3227

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 Alan Barry's NPI number?

The NPI number for Alan Barry is 1750371431. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Alan Barry located?

Alan Barry practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-2786.

What is Alan Barry's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is Alan Barry enrolled in Medicare?

No. Alan Barry has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Alan Barry 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 43 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.