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

ADAM J SHAYWITZ MD PHD
NPI 1821079179
Internal Medicine in Belmont, MA

Active since November 11, 2005
115 MILL ST, BELMONT, MA 02478(617) 855-2352 Get Directions Write a Review

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

About Adam J Shaywitz Md Phd NPPES

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

ADAM J SHAYWITZ MD PHD (NPI 1821079179) is an individual internal medicine provider in Belmont, Massachusetts, licensed in Massachusetts (220885) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1821079179
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameADAM J SHAYWITZCredential: MD PHD
Location Address115 MILL STBelmont, MA 02478-1041
Mailing AddressPo Box 9142, Mass General Physicians OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Sole ProprietorNo
Enumeration DateNovember 11, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1821079179 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 220885
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
115 MILL ST, Belmont, MA 02478

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.

Social Worker (Clinical)
115 MILL ST, MAILSTOP 137
BELMONT, MA 02478
Psychiatry & Neurology (Neurology)
115 MILL ST, MCLEAN HOSPITAL
BELMONT, MA 02478
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478

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 Adam Shaywitz's NPI number?

The NPI number for Adam Shaywitz is 1821079179. It was assigned to this individual provider in the NPPES registry on November 11, 2005.

Where is Adam Shaywitz located?

Adam Shaywitz practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-2352.

What is Adam Shaywitz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Adam Shaywitz 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 35 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.