STONINGTON PSYCHOLOGY LLC
NPI 1659627453
Psychologist - Clinical in Mystic, CT

Q: What is Stonington Psychology LLC's NPI number?

The NPI number for Stonington Psychology LLC is 1659627453. It was assigned to this organization in the NPPES registry on July 30, 2012.

Q: What is Stonington Psychology LLC's specialty?

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

Active since July 30, 2012

14 MASONS ISLAND RD UNIT 4, MYSTIC, CT 06355(860) 245-9222(860) 535-9891 Get Directions Write a Review

NPPES record last updated: December 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Stonington Psychology Llc NPPES

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

STONINGTON PSYCHOLOGY LLC (NPI 1659627453) is a healthcare organization registered as a clinical in Mystic, Connecticut and active in the NPI registry since July 2012. The organization lists Linda W Suriyakham, Owner, as its authorized official.

NPPES Registry Identity

NPI1659627453

Entity TypeOrganization

Primary Taxonomy103TC0700X

Legal Business NameSTONINGTON PSYCHOLOGY LLC

Location Address14 MASONS ISLAND RD UNIT 4Mystic, CT 06355-2958

Mailing Address14 Masons Island Rd Unit 4Mystic, CT 06355-2958 · (860) 245-9222 · Fax (860) 535-9891

Phone(860) 245-9222

Fax(860) 535-9891

Organization SubpartNo

Authorized OfficialLinda W SuriyakhamOwner · (860) 245-9222

Enumeration DateJuly 30, 2012

Last NPPES UpdateDecember 5, 2025

NPPES CertifiedDecember 5, 2025

✔ NPI 1659627453 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 CT · 003158

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.

14 MASONS ISLAND RD UNIT 4, Mystic, CT 06355

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stonington Psychology Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Stonington Psychology LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Linda Suriyakham, PH.D.

Clinical Psychologist

NPI 1720354491

14 MASONS ISLAND RD UNIT 4
Mystic, CT 06355

(860) 245-9222

✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Stonington Psychology LLC's NPI number?

The NPI number for Stonington Psychology LLC is 1659627453. It was assigned to this organization in the NPPES registry on July 30, 2012.

Where is Stonington Psychology LLC located?

Stonington Psychology LLC is located at 14 Masons Island Rd Unit 4, Mystic, CT 06355. The listed phone number is (860) 245-9222.

What is Stonington Psychology LLC's specialty?

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

Is Stonington Psychology LLC enrolled in Medicare?

Yes. Stonington Psychology LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Stonington Psychology LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Stonington Psychology LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Stonington Psychology LLC was last updated on December 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.