1. Home
  2. Directory
  3. Massachusetts
  4. Newton Centre
  5. Psychologist
  6. NPI Profile

DR. MARK ROBERT STEWARD PH.D.
NPI 1821152828
Psychologist - Adult Development & Aging in Newton Centre, MA

Active since December 21, 2006
53 LANGLEY RD, SUITE 340D, NEWTON CENTRE, MA 02459(617) 484-7604 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark Robert Steward Ph.d. NPPES

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

DR. MARK ROBERT STEWARD PH.D. (NPI 1821152828) is an individual adult development & aging provider in Newton Centre, Massachusetts, licensed in Massachusetts (4784) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1821152828
Entity TypeIndividualMale
Primary Taxonomy103TA0700X
Provider Legal NameDR. MARK ROBERT STEWARDCredential: PH.D.
Location Address53 LANGLEY RD, SUITE 340DNewton Centre, MA 02459-1913
Mailing Address17 Edgemoor RdBelmont, MA 02478-3916 · (617) 484-7604
Phone(617) 484-7604
Sole ProprietorYes
Enumeration DateDecember 21, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1821152828 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 7

★ Primary SpecialtyPsychologist · Adult Development & AgingBehavioral Health & Social Service Providers
Taxonomy Code103TA0700X
License✔ Licensed in MA · 4784
Definition
A psychologist who specializes in geropsychology, which applies the knowledge and methods of psychology to understanding and helping older persons and their families to maintain well-being, overcome problems and achieve maximum potential during later life. Professional geropsychology appreciates the wide diversity among older adults, the complex ethical issues that can arise in geriatric practice and the importance of interdisciplinary models of care.
Also ListedPsychologistTaxonomy 103T00000X · License 4784 (MA)
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 4784 (MA)
Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License 4784 (MA)
Also ListedPsychologist · FamilyTaxonomy 103TF0000X · License 4784 (MA)
Also ListedPsychologist · Group PsychotherapyTaxonomy 103TP2701X · License 4784 (MA)
Also ListedPsychologist · SchoolTaxonomy 103TS0200X · License 4784 (MA)

Other Identifiers 1

OtherW04555MA · Blue Cross Blue Shield

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.

CAROLE SLIPOWITZ BOTH PSY.D.AND LICSW
Psychologist
53 LANGLEY RD, SUITE 230
NEWTON, MA 02459
Middlesex County (617) 549-6426
DR. STEVEN C. GERMAN PH.D
Psychologist
53 LANGLEY RD, SUITE 280
NEWTON CENTRE, MA 02459
Middlesex County (617) 527-1541
STELLA FRISHMAN LIC. AC.
Acupuncturist
53 LANGLEY RD
NEWTON, MA 02459
Middlesex County (617) 967-2321
SHEILA MARILYN STATLENDER PH.D.
Psychologist (Clinical)
53 LANGLEY RD, SUITE 330C
NEWTON CENTRE, MA 02459
Middlesex County (617) 965-2329
MS. MARY L GOLDBERG MS,RN,CS
Clinical Nurse Specialist (Psychiatric/Mental Health, Adult)
53 LANGLEY RD, SUITE 330
NEWTON CENTER, MA 02459
Middlesex County (617) 671-1239
MS. MARGALIT RABINOVICH MSW
Social Worker (Clinical)
53 LANGLEY RD, SUITE 340
NEWTON CENTER, MA 02459
Middlesex County (617) 332-6010
DR. CYNTHIA ANN WORTH EDD
Psychologist (Clinical)
53 LANGLEY RD, 310D
NEWTON, MA 02459
Middlesex County (617) 630-0642
MS. DIANA DELANOY PARAD MSW
Social Worker (Clinical)
53 LANGLEY RD, SUITE 230
NEWTON CENTER, MA 02459
Middlesex County (617) 637-2060

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 Mark Steward's NPI number?

The NPI number for Mark Steward is 1821152828. It was assigned to this individual provider in the NPPES registry on December 21, 2006.

Where is Mark Steward located?

Mark Steward practices at 53 Langley Rd Suite 340D, Newton Centre, MA 02459. The listed phone number is (617) 484-7604.

What is Mark Steward's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Adult Development & Aging, with taxonomy code 103TA0700X.

When was this NPI record last updated?

The NPPES record for Mark Steward was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.