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

Dr. Gaylen S Johnson, MD

Individual provider Aerospace Medicine Physician · NPI 1952326548

Dr. Gaylen S Johnson, MD is an Aerospace Medicine Physician in Hagerstown, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

10715 Downsville Pike Ste 100
Hagerstown, MD 21740-7240
Phone: (240) 313-9910
Fax: (240) 313-9915
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Medicine Physician (primary) Taxonomy 2083X0100X · Licence D54711 (MD)
Aerospace Medicine Physician Taxonomy 2083A0100X · Licence D54711 (MD)

Record details

NPI number1952326548
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 13, 2006
Last updated in NPPESDecember 31, 2013