Jonathan Walsh, MD

Practice locations

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

• 4940 Eastern AveBaltimore, MD 21224 (410) 550‑0100

Group practices

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

• Johns Hopkins University2,909 clinicians in the group

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in Maryland →

Other ENT doctors in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

• Andrea M. Hebert, MD
• Julie B. Winston, MD
• Deepa Galaiya, MD
• Grace E. Snow, MD
• Christopher Maroun, MD
• Douglas Reh, MD
• Mohammad Abraham A. Kazemizadeh Gol, MD
• Charles Stewart, MD

All ENT doctors in Baltimore →

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 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