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Sleep Medicine

Crystal Cassimere, DO

Sees patients in Atlanta, GA · Addison, TX · Georgia, Texas

Summary

Dr. Crystal Cassimere, DO is a sleep medicine doctor at 2201 Henderson Mill Rd NE, Atlanta, GA 30345. May accept Medicare assignment. NPI 1760909329. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Sleep medicine doctor (Medicare lists Sleep Medicine)
  • Address: 2201 Henderson Mill Rd NE, Atlanta, GA 30345 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Medical school: University Of North Texas Hsc, College Of Osteopathic Med · 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 Crystal Cassimere, 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 Crystal Cassimere accept Medicare assignment?
Medicare's clinician data says Crystal Cassimere may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Crystal Cassimere's NPI number?
1760909329. 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 Crystal Cassimere is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2201 Henderson Mill Rd NEAtlanta, GA 30345
  • 5080 Spectrum Dr, Suite 1200wAddison, TX 75001

Specialties

Find other Sleep Medicine doctors in Georgia →

Other sleep medicine doctors in Atlanta

Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.

All sleep medicine doctors in Atlanta →

Clinician information

CredentialDO
Medical schoolUniversity Of North Texas Hsc, College Of Osteopathic Med
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1760909329
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