1. Home
  2. Directory
  3. Massachusetts
  4. Wellesley
  5. Psychiatry Neurology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM DAVIS SINGR M.D.
NPI 1932163417
Psychiatry & Neurology - Neurology in Wellesley, MA

Active since April 13, 2006
42 WASHINGTON ST, SUITE 100, WELLESLEY, MA 02481(781) 416-1919(781) 263-9017 Get Directions Write a Review

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

About Dr. William Davis Singr M.d. NPPES

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

DR. WILLIAM DAVIS SINGR M.D. (NPI 1932163417) is an individual neurology provider in Wellesley, Massachusetts, licensed in Massachusetts (37938) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1932163417
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. WILLIAM DAVIS SINGRCredential: M.D.
Location Address42 WASHINGTON ST, SUITE 100Wellesley, MA 02481-1803
Mailing Address42 Washington St, Suite 100Wellesley, MA 02481-1803 · (781) 416-1919 · Fax (781) 263-9017
Phone(781) 416-1919
Fax(781) 263-9017
Sole ProprietorNo
Enumeration DateApril 13, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1932163417 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in MA · 37938
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
42 WASHINGTON ST, Wellesley, MA 02481
Open in Google Maps ↗

Other Identifiers 4

Medicaid3021260MA
OtherSI-K19118MA · Blue Cross/blue Shield
Other037938MA · Tufts Health Plan
Medicaid30001447NH

Other Providers at the Same Location NPPES 17

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

DR. BARBARA SABIN DALEY
Psychologist (Clinical)
42 WASHINGTON ST, STE. 100
WELLESLEY, MA 02481
Norfolk County (781) 416-1919
MS. JUDITH G. D'AFFLITTI M.S.N.
Registered Nurse (Psychiatric/Mental Health, Adult)
42 WASHINGTON ST, SUITE 210
WELLESLEY HILLS, MA 02481
Norfolk County (781) 239-9700
SUZANNE LEE COOLEY MSN, RN, CS
Nurse Practitioner (Psychiatric/Mental Health)
42 WASHINGTON ST, SUITE 210
WELLESLEY HILLS, MA 02481
Norfolk County (781) 416-7317
MRS. ANDREA F HARTNETT LICSW
Social Worker (Clinical)
42 WASHINGTON ST, STE 210
WELLESLEY HILLS, MA 02481
Norfolk County (508) 668-3284
MS. MARY ELLEN GORMAN RN CS MS
Registered Nurse (Psychiatric/Mental Health, Adult)
42 WASHINGTON ST, SUITE 210
WELLESLEY, MA 02481
Norfolk County (781) 431-1990
KIDS AT HEART - METROWEST
Clinic/Center (Adolescent and Children Mental Health)
42 WASHINGTON ST
WELLESLEY, MA 02481
Norfolk County (508) 341-3104
RUTH E JOHNSON MSN, CNM, CS
Registered Nurse (Psychiatric/Mental Health, Child & Adolescent)
42 WASHINGTON ST, SUITE 210
WELLESLEY, MA 02481
Norfolk County (781) 431-2629
ZOE GRACE JACOB LMHC
Counselor (Mental Health)
42 WASHINGTON ST
WELLESLEY HILLS, MA 02481
Norfolk County (781) 400-3232

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 William Singr's NPI number?

The NPI number for William Singr is 1932163417. It was assigned to this individual provider in the NPPES registry on April 13, 2006.

Where is William Singr located?

William Singr practices at 42 Washington St Suite 100, Wellesley, MA 02481. The listed phone number is (781) 416-1919.

What is William Singr's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

When was this NPI record last updated?

The NPPES record for William Singr 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 39 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.