LYNN M. SUSSMAN, PH.D. LLC
NPI 1205000569
Psychologist - Counseling in Stamford, CT

Active since April 17, 2008
1173 ROCK RIMMON RD, STAMFORD, CT 06903(203) 517-8816 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 9, 2025, Nov 6, 2025 (2 updates tracked since 2025).

About Lynn M. Sussman, Ph.d. Llc NPPES

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

LYNN M. SUSSMAN, PH.D. LLC (NPI 1205000569) is a healthcare organization registered as a counseling in Stamford, Connecticut and active in the NPI registry since April 2008. The organization lists Lynn Merle Sussman, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1205000569
Entity TypeOrganization
Primary Taxonomy103TC1900X
Legal Business NameLYNN M. SUSSMAN, PH.D. LLC
Location Address1173 ROCK RIMMON RDStamford, CT 06903-1210
Mailing Address1173 Rock Rimmon RdStamford, CT 06903-1210 · (203) 517-8816
Organization SubpartNo
Authorized OfficialLynn Merle SussmanAuthorized Official · (203) 517-8816
Enumeration DateApril 17, 2008
Last NPPES UpdateDecember 9, 20252 updates tracked since enumeration
NPPES CertifiedDecember 9, 2025
✔ NPI 1205000569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · CounselingBehavioral Health & Social Service Providers
Taxonomy Code103TC1900X
License✔ Licensed in CT · 002767
Definition
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.
1173 ROCK RIMMON RD, Stamford, CT 06903

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)

Lynn M. Sussman, Ph.d. 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 Lynn M. Sussman, Ph.D. LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Clinical Psychologist
NPI 1023215043
16 ROCKLEDGE AVE APT 3C1
Ossining, NY 10562
(203) 517-8816
✔ PECOS✔ Accepts Medicare15 mi

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 Lynn M. Sussman, Ph.D. LLC's NPI number?

The NPI number for Lynn M. Sussman, Ph.D. LLC is 1205000569. It was assigned to this organization in the NPPES registry on April 17, 2008.

Where is Lynn M. Sussman, Ph.D. LLC located?

Lynn M. Sussman, Ph.D. LLC is located at 1173 Rock Rimmon Rd, Stamford, CT 06903. The listed phone number is (203) 517-8816.

What is Lynn M. Sussman, Ph.D. LLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Counseling, with taxonomy code 103TC1900X.

Is Lynn M. Sussman, Ph.D. LLC enrolled in Medicare?

Yes. Lynn M. Sussman, Ph.D. LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lynn M. Sussman, Ph.D. LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Lynn M. Sussman, Ph.D. 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 Lynn M. Sussman, Ph.D. LLC was last updated on December 9, 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.