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

DR. BARBARA L. SIEGEL PH.D.
NPI 1902865983
Psychologist - Clinical in Arlington, MA

Q: What is Barbara Siegel's NPI number?

The NPI number for Barbara Siegel is 1902865983. It was assigned to this individual provider in the NPPES registry on March 20, 2006. The provider is also known as Dr. Barbara L. Siegel Ph.D..

Q: What is Barbara Siegel's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Barbara Siegel 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 56 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 20, 2006

22 MILL ST, SUITE 004, ARLINGTON, MA 02476(781) 646-0500(781) 646-7130 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

On this page

About Dr. Barbara L. Siegel Ph.d. NPPES

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

DR. BARBARA L. SIEGEL PH.D. (NPI 1902865983) is an individual clinical provider in Arlington, Massachusetts, licensed in Massachusetts (2696) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1902865983

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. BARBARA L. SIEGELCredential: PH.D.

Location Address22 MILL ST, SUITE 004Arlington, MA 02476-4784

Mailing Address22 Mill St, Suite 004Arlington, MA 02476-4784 · (781) 646-0500 · Fax (781) 646-7130

Phone(781) 646-0500

Fax(781) 646-7130

Sole ProprietorNo

Enumeration DateMarch 20, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1902865983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in MA · 2696

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

22 MILL ST, Arlington, MA 02476

Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Barbara L. Siegel Ph.d.

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.

MS. JOANNE TSAKAS BARROS LMHC

Counselor (Mental Health)

22 MILL ST, SUITE 306
ARLINGTON, MA 02476

Middlesex County (781) 643-0610

ALAN N. ERTEL, MD, PC

Specialist

22 MILL ST, SUITE 302
ARLINGTON, MA 02476

Middlesex County (781) 646-7730

ELIZABETH MYERS NP

Nurse Practitioner (Primary Care)

22 MILL ST
ARLINGTON, MA 02476

Middlesex County (617) 816-0368

DR. KENNETH M. REEVES PH.D.

Psychologist (Clinical)

22 MILL ST, SUITE 004
ARLINGTON, MA 02476

Middlesex County (781) 646-0500

DR. TAYLOR LEE HOTCHKISS M.D.

Obstetrics & Gynecology (Obstetrics)

22 MILL ST, STE 204
ARLINGTON, MA 02476

Middlesex County (781) 646-1043

WILLIAM F. FLYNN JR. MD PC

Surgery

22 MILL ST, # 301
ARLINGTON, MA 02476

Middlesex County (781) 643-6313

MS. KATHARINE ELLIOTT MAYERS LICSW

Social Worker (Clinical)

22 MILL ST, STE 306
ARLINGTON, MA 02476

Middlesex County (781) 643-0610

DR. EDWARD ROLDE

Psychiatry & Neurology (Psychiatry)

22 MILL ST, SUITE 004
ARLINGTON, MA 02476

Middlesex County (781) 646-0500

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 Barbara Siegel's NPI number?

The NPI number for Barbara Siegel is 1902865983. It was assigned to this individual provider in the NPPES registry on March 20, 2006. The provider is also known as Dr. Barbara L. Siegel Ph.D..

Where is Barbara Siegel located?

Barbara Siegel practices at 22 Mill St Suite 004, Arlington, MA 02476. The listed phone number is (781) 646-0500.

What is Barbara Siegel's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Barbara Siegel 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 56 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.