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Psychiatry

Cassandra G. Hennelly, MD

Sees patients in Syracuse, NY · New York

Summary

Dr. Cassandra G. Hennelly, MD is a psychiatrist at 719 Harrison St, Syracuse, NY 13210. May accept Medicare assignment. NPI 1720738610. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 719 Harrison St, Syracuse, NY 13210 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Medical school: Icahn School Of Medicine At Mount Sinai · graduated 2022 (4 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Cassandra G. Hennelly, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Cassandra G. Hennelly accept Medicare assignment?
Medicare's clinician data says Cassandra G. Hennelly may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Cassandra G. Hennelly's NPI number?
1720738610. 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 G. Hennelly is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Psychiatry doctors in New York →

Other psychiatrists in Syracuse

Clinicians with the same Medicare primary specialty in Syracuse, NY — not a recommendation.

All psychiatrists in Syracuse →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1720738610
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 October 2, 2026, retrieved October 29, 2026
  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