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SONDER PSYCHOTHERAPY, PLLC
NPI 1700476116
Social Worker - Clinical in Concord, NH

Active since January 20, 2021
35 PLEASANT ST, CONCORD, NH 03301(603) 513-9445 Get Directions Write a Review

NPPES record last updated: October 4, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 4, 2021, Jan 28, 2021, Jan 20, 2021 (3 updates tracked since 2021).

About Sonder Psychotherapy, Pllc NPPES

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

SONDER PSYCHOTHERAPY, PLLC (NPI 1700476116) is a healthcare organization registered as a clinical in Concord, New Hampshire and active in the NPI registry since January 2021. The organization lists Cynthia Tubbs, Manager, as its authorized official.

NPPES Registry Identity

NPI1700476116
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameSONDER PSYCHOTHERAPY, PLLC
Location Address35 PLEASANT STConcord, NH 03301-4004
Mailing Address35 Pleasant StConcord, NH 03301-4004 · (603) 513-9445
Phone(603) 513-9445
Organization SubpartNo
Authorized OfficialCynthia TubbsManager · (603) 513-9445
Enumeration DateJanuary 20, 2021
Last NPPES UpdateOctober 4, 20213 updates tracked since enumeration
NPPES CertifiedOctober 4, 2021
✔ NPI 1700476116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedSocial WorkerTaxonomy 104100000X
35 PLEASANT ST, Concord, NH 03301
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Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP
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)

Sonder Psychotherapy, Pllc 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 Sonder Psychotherapy, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Cynthia Tubbs, LICSW
Clinical Social Worker
NPI 1821624511
8 CENTRE ST # 2
Concord, NH 03301
(603) 228-7300
✔ PECOS✔ Accepts Medicare0.3 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 Sonder Psychotherapy, PLLC's NPI number?

The NPI number for Sonder Psychotherapy, PLLC is 1700476116. It was assigned to this organization in the NPPES registry on January 20, 2021.

Where is Sonder Psychotherapy, PLLC located?

Sonder Psychotherapy, PLLC is located at 35 Pleasant St, Concord, NH 03301. The listed phone number is (603) 513-9445.

What is Sonder Psychotherapy, PLLC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Sonder Psychotherapy, PLLC enrolled in Medicare?

Yes. Sonder Psychotherapy, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sonder Psychotherapy, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Sonder Psychotherapy, PLLC. 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 Sonder Psychotherapy, PLLC was last updated on October 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.