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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. ROGER D WEISS MD
NPI 1245229855
Psychiatry & Neurology - Addiction Medicine in Belmont, MA

Active since October 17, 2005
115 MILL ST, BELMONT, MA 02478(617) 855-2242(617) 855-2699 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Roger D Weiss Md NPPES

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

DR. ROGER D WEISS MD (NPI 1245229855) is an individual addiction medicine provider in Belmont, Massachusetts, licensed in Massachusetts (42785) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1245229855
Entity TypeIndividualMale
Primary Taxonomy2084A0401X
Provider Legal NameDR. ROGER D WEISSCredential: MD
Location Address115 MILL STBelmont, MA 02478-1041
Mailing Address115 Mill StBelmont, MA 02468 · (617) 855-2242 · Fax (617) 855-2699
Phone(617) 855-2242
Fax(617) 855-2699
Sole ProprietorNo
Enumeration DateOctober 17, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1245229855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084A0401X
License✔ Licensed in MA · 42785
Definition
A doctor of osteopathy board eligible/certified in the field of Psychiatry by the American Osteopathic Board of Neurology and Psychiatry is able to obtain a Certificate of Added Qualifications in the field of Addiction Medicine
115 MILL ST, Belmont, MA 02478
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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 Roger Weiss's NPI number?

The NPI number for Roger Weiss is 1245229855. It was assigned to this individual provider in the NPPES registry on October 17, 2005.

Where is Roger Weiss located?

Roger Weiss practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-2242.

What is Roger Weiss's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Medicine, with taxonomy code 2084A0401X.

When was this NPI record last updated?

The NPPES record for Roger Weiss 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 32 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.