Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Jeffrey Mark Downen, MD

Individual provider Emergency Medicine Physician · NPI 1871170951

Jeffrey Mark Downen, MD is an Emergency Medicine Physician in Jacksonville, Florida. Works from 2 locations. Licensed in Florida and Georgia.

Licensed in
FL, GA
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

655 W 8th St
Jacksonville, FL 32209-6511
Phone: (904) 244-6340
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1364 Clifton Rd Ne, Atlanta, GA 30322-1059 — (404) 251-8865

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence ME173562 (FL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 100028 (GA)

Record details

NPI number1871170951
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2021
Last updated in NPPESJuly 17, 2025
Certification dateJuly 17, 2025
Mailing address655 W 8th St, Jacksonville, FL 32209-6511

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