1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Social Worker
  6. NPI Profile

MS. CASSANDRA XANTHOS LICSW
NPI 1982117743
Social Worker - Clinical in Boston, MA

Active since November 14, 2017PECOS EnrolledAccepts Medicare Assignment
TCA COUNSELING, 262 BEACON ST. 2ND FLOOR, BOSTON, MA 02116(617) 858-1051 Get Directions Write a Review

NPPES record last updated: November 14, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Cassandra Xanthos Licsw NPPES

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

MS. CASSANDRA XANTHOS LICSW (NPI 1982117743) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (119345) and active in the NPI registry since November 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1982117743
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. CASSANDRA XANTHOSCredential: LICSW
Location AddressTCA COUNSELING, 262 BEACON ST. 2ND FLOORBoston, MA 02116
Mailing Address105 Fletcher StRoslindale, MA 02131-1917 · (617) 519-3952
Phone(617) 858-1051
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateNovember 14, 2017
✔ NPI 1982117743 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MA · 119345
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.
TCA COUNSELING, Boston, MA 02116
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Cassandra Xanthos Licsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466847363
PECOS Enrollment IDI20220310002520
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Cassandra Xanthos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

President And Fellows Of Harvard College
1.6 mi
General Practice
188 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • Medicare enrollment name: President & Fellows Of Harvard College
  • 170 clinicians in this Medicare group
NPI 1972761807 (617) 432-1440

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02116 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $63.72 – $189.86
Typical copayment $0.00 (range $15.93 – $47.46)
Most-billed visit code NA
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Cassandra Xanthos's NPI number?

The NPI number for Cassandra Xanthos is 1982117743. It was assigned to this individual provider in the NPPES registry on November 14, 2017.

Where is Cassandra Xanthos located?

Cassandra Xanthos practices at Tca Counseling 262 Beacon St. 2nd Floor, Boston, MA 02116. The listed phone number is (617) 858-1051.

What is Cassandra Xanthos's specialty?

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

Is Cassandra Xanthos enrolled in Medicare?

Yes. Cassandra Xanthos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Cassandra Xanthos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Xanthos reassigns Medicare benefits to President And Fellows Of Harvard College (Boston, MA). The 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 Cassandra Xanthos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Cassandra Xanthos was last updated on November 14, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.