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SQUARE MEDICAL GROUP LLC
NPI 1356515464
Clinic/Center - Adult Mental Health in Watertown, MA

Active since April 18, 2008CLIA 22D2236133 · Waiver
124 WATERTOWN ST, SUITE 2D, WATERTOWN, MA 02472(617) 916-5069(617) 467-4073 Get Directions Write a Review

NPPES record last updated: August 13, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Square Medical Group Llc NPPES

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

SQUARE MEDICAL GROUP LLC (NPI 1356515464) is a healthcare organization registered as an adult mental health in Watertown, Massachusetts and active in the NPI registry since April 2008. The organization holds a CLIA Waiver certificate valid through September 14, 2027 and lists Natalie Leonid Lender, Medical Director, Owner, as its authorized official.

NPPES Registry Identity

NPI1356515464
Entity TypeOrganization
Primary Taxonomy261QM0850X
Legal Business NameSQUARE MEDICAL GROUP LLC
Location Address124 WATERTOWN ST, SUITE 2DWatertown, MA 02472-2576
Mailing Address124 Watertown St, Suite 2dWatertown, MA 02472-2576 · (617) 916-5069 · Fax (617) 467-4073
Phone(617) 916-5069
Fax(617) 467-4073
Organization SubpartNo
Authorized OfficialNatalie Leonid LenderMedical Director, Owner · (617) 916-5069
Enumeration DateApril 18, 2008
Last NPPES UpdateAugust 13, 2015
✔ NPI 1356515464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Adult Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0850X
License✔ Licensed in MA · 152859
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
Also ListedClinic/Center · Adolescent and Children Mental HealthTaxonomy 261QM0855X · License 152859 (MA)
124 WATERTOWN ST, Watertown, MA 02472
Open in Google Maps ↗

Other Identifiers 2

Medicare UPING56508
Medicaid3173615MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 22D2236133

Square Medical Group - River House · Waltham, MA
Active · expires Sep 14, 2027
CLIA Number22D2236133
Laboratory TypeRecovery Home For Sud
Certificate Effective DateSeptember 15, 2025
Certificate Expiration DateSeptember 14, 2027
Laboratory DirectorNatalie L. Lender
Laboratory Phone(617) 916-5069
Laboratory LocationSquare Medical Group - River House276 River Street, Waltham, MA 02453
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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.

DORI FISHBONE MS OTRL
Occupational Therapist (Pediatrics)
124 WATERTOWN ST
WATERTOWN, MA 02472
Middlesex County (617) 923-4410
KAREN CHENAUSKY MS CFSLP
Speech-Language Pathologist
124 WATERTOWN ST
WATERTOWN, MA 02472
Middlesex County (617) 923-4410
MATTHEW RINALDI
Social Worker (Clinical)
124 WATERTOWN ST
WATERTOWN, MA 02472
Middlesex County (617) 916-5069
PEARL P MORGOVSKY
Counselor (Addiction (Substance Use Disorder))
124 WATERTOWN ST
WATERTOWN, MA 02472
Middlesex County (617) 916-5069
DR. KAREN LYNNE KOUMJIAN OD
Optometrist
124 WATERTOWN ST, STE 3E
WATERTOWN, MA 02472
Middlesex County (617) 923-2761
MELANIE ALLEN-SALORT OTRL
Occupational Therapist (Pediatrics)
124 WATERTOWN ST
WATERTOWN, MA 02472
Middlesex County (617) 923-4410
NINA TALAYCO MS OTRL
Occupational Therapist (Pediatrics)
124 WATERTOWN ST
WATERTOWN, MA 02472
Middlesex County (617) 923-4410
MARGARET ELEANOR MEYER MS OTR/L
Occupational Therapist
124 WATERTOWN ST
WATERTOWN, MA 02472
Middlesex County (617) 923-4410

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 Square Medical Group LLC's NPI number?

The NPI number for Square Medical Group LLC is 1356515464. It was assigned to this organization in the NPPES registry on April 18, 2008.

Where is Square Medical Group LLC located?

Square Medical Group LLC is located at 124 Watertown St Suite 2D, Watertown, MA 02472. The listed phone number is (617) 916-5069.

What is Square Medical Group LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.

Does Square Medical Group LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D2236133) is associated with this NPI, valid through September 14, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Square Medical Group LLC accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Square Medical Group LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Square Medical Group LLC was last updated on August 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.