Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Cassandra Williams

Sees patients in Waterbury, CT · Connecticut

Summary

Cassandra Williams (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Waterbury, CT. NPI 1851796957. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Cassandra Williams, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
4Years since medical school (graduated 2022)
FemaleGender (as listed)
Family Intervention Center, IncGroup practice

Quick answers

Where does Cassandra Williams see patients?
Medicare's clinician data lists 1 practice location in Waterbury, CT. Call before your visit to confirm the address.
What is Cassandra Williams's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Cassandra Williams accept Medicare assignment?
Yes. Medicare's clinician data says Cassandra Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Cassandra Williams?
(203) 753-2153, as listed in official Medicare / NPI Registry data.
What is Cassandra Williams's NPI number?
1851796957. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Cassandra Williams is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Cassandra Williams as a member of this group (CMS data updated 2026-10-02).

  • Family Intervention Center, Inc4 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Connecticut →

Other nurse practitioners in Waterbury

Clinicians with the same Medicare primary specialty in Waterbury, CT — not a recommendation.

All nurse practitioners in Waterbury →

Clinician information

Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851796957
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians