Shannon Hansen Cook, MD

Practice locations

Addresses where Shannon Hansen Cook is enrolled with Medicare (CMS data updated October 2, 2026).

• 102 N Broadway StJohnson City, TN 37601 (423) 588‑9978

Group practices

Medicare enrollment lists Shannon Hansen Cook as a member of this group (CMS data updated October 2, 2026).

• Dragonfly Medical and Behavioral Health Professsional Corporation2 clinicians in the group

Specialties

• Psychiatryprimary
• Addiction Medicinealso

Find other Psychiatry doctors in Tennessee →

Other psychiatrists in Johnson City

Clinicians with the same Medicare primary specialty in Johnson City, TN — not a recommendation.

• Shambhavi Chandraiah, MD
• Kamran Hayel-Moghadam, MD
• Zachary A. Hammons, MD
• Holly McNew, MD
• Gregory L. De Roo, MD
• Stevenson Howard, DO
• Martha A. Bird, MD
• Edgar Kahn, MD

All psychiatrists in Johnson City →

Other clinicians in Dragonfly Medical and Behavioral Health Professsional Corporation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Matthew J. Caffrey, MD

Clinician information

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