Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1831213313 Individual Practitioner Female Practitioner

Dr. Sara Acker Leo , PsyD

Psychologist • Concord, MA

Professional Overview & Biography Verified Profile Summary

Dr. Sara Leo, PsyD is a registered healthcare professional specializing in Psychologist in Concord, MA. Practice services are available at 45 WALDEN ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

45 Walden St

Concord, MA 017422533

Telephone 6174449198

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Concord, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 36.4 Yrs
State Avg: 32.3 Yrs
Regional Practice Density
25 Specialists

Practicing in Concord, MA (2533 Statewide)

Telehealth Adoption Rate
12.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-01-02
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License MA 9040

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

Psychologist - Cognitive & Behavioral

NUCC Taxonomy Code: 103TB0200X

A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.

Psychologist - Health

NUCC Taxonomy Code: 103TH0004X

A psychologist who specializes in clinical health psychology that investigates and implements clinical services across diverse populations and settings to promote health and well-being and to prevent, treat, and manage illness and disability. Clinical health psychology sees health as the confluence of psychological, social, cultural, and biological factors and applies this understanding to professional activities including:<br/>* Research<br/>* Clinical service<br/>* Consulting with, educating, and supervising other health care providers and psychologists<br/>* Advising organizations, institutions, the public, and policymakers

Psychologist - Clinical

NUCC Taxonomy Code: 103TC0700X

State License MA 9040

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
NPI 1265831739

Doctor of Philosophy (Ph.D.)

Judith Schwartz , LICSW

Social Worker - Clinical

NPI 1578536280

Licensed Independent Clinical Social Worker

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events
📍
Updated Practice Location January 02, 2026

Registered at 45 WALDEN ST, CONCORD, MA 017422533 (Tel: 6174449198)

📍
Updated Business Mailing Address January 02, 2026

Registered at 45 WALDEN ST, CONCORD, MA 017422533 (Tel: 6174449198)

📍
Updated Practice Location January 10, 2019

Registered at 264 BEACON STREET, FLOOR 5, BOSTON, MA 02116 (Tel: 6174449055)

📍
Updated Business Mailing Address January 10, 2019

Registered at 264 BEACON STREET, FLOOR 5, BOSTON, MA 02116 (Tel: 6174449055)

👤
Provider Name / Credentials Updated January 10, 2019

Recorded as SARA LEO, PSY.D

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 10, 2019

Psychologist

NPI Profile Active April 01, 2010

NPI status registered as active in NPPES database

📍
Updated Practice Location April 01, 2010

Registered at 26 TRAPELO RD, BELMONT, MA 024784457 (Tel: 6174449055)

📍
Updated Business Mailing Address April 01, 2010

Registered at 26 TRAPELO RD, BELMONT, MA 024784457 (Tel: 6174449055)

👤
Provider Name / Credentials Updated April 01, 2010

Recorded as SARA ACKER, PSY.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 01, 2010

Psychologist (License #9040 in MA)

🟢
Initial NPI Registration & Enumeration March 19, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1831213313
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 19, 2007
Last Update: January 02, 2026
Sole Proprietor: Yes

Mailing Address

45 Walden St

Concord, MA 017422533

Phone: 6174449198

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.