RYAN SLIWAK
NPI 1326887423
Psychologist in Boston, MA

Active since May 20, 2024
1 CONSTITUTION PLZ, BOSTON, MA 02129(617) 724-5202 Get Directions Write a Review

NPPES record last updated: September 16, 2024. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Sep 16, 2024, Jul 11, 2024 (2 updates tracked since 2024).

About Ryan Sliwak NPPES

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

RYAN SLIWAK (NPI 1326887423) is an individual psychologist in Boston, Massachusetts and active in the NPI registry since May 2024.

NPPES Registry Identity

NPI1326887423
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameRYAN SLIWAK
Location Address1 CONSTITUTION PLZBoston, MA 02129-2025
Mailing Address344 Commonwealth Ave Apt 4fBoston, MA 02115-2152 · (516) 242-6227
Sole ProprietorNo
Enumeration DateMay 20, 2024
Last NPPES UpdateSeptember 16, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2024
NPI 1326887423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Definition

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.

1 CONSTITUTION PLZ, Boston, MA 02129

Other Providers at the Same Location NPPES 6

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

Psychologist
1 CONSTITUTION PLZ, HOME BASE PROGRAM
CHARLESTOWN, MA 02129
Nurse Practitioner (Family)
1 CONSTITUTION PLZ
CHARLESTOWN, MA 02129
Psychologist
1 CONSTITUTION PLZ
CHARLESTOWN, MA 02129
Nurse Practitioner (Psychiatric/Mental Health)
1 CONSTITUTION PLZ
CHARLESTOWN, MA 02129
Student in an Organized Health Care Education/Training Program
1 CONSTITUTION PLZ
CHARLESTOWN, MA 02129
Psychologist
1 CONSTITUTION PLZ
CHARLESTOWN, MA 02129

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 Ryan Sliwak's NPI number?

The NPI number for Ryan Sliwak is 1326887423. It was assigned to this individual provider in the NPPES registry on May 20, 2024.

Where is Ryan Sliwak located?

Ryan Sliwak practices at 1 Constitution Plz, Boston, MA 02129. The listed phone number is (617) 724-5202.

What is Ryan Sliwak's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Ryan Sliwak was last updated on September 16, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.