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

Dr. John Barthelow Classen, MD

Individual provider Emergency Medicine Physician · NPI 1215037676

Dr. John Barthelow Classen, MD is an Emergency Medicine Physician in Edgewater, Maryland. Practices as a sole proprietor. Licensed in Maryland.

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

3059 Solomons Island Rd Ste F-2
Edgewater, MD 21037-1433
Phone: (410) 956-3394
Fax: (410) 956-3324
Show map & directions

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

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence D0052684 (MD)
Emergency Medicine Physician Taxonomy 207P00000X · Licence D0052684 (MD)

Record details

NPI number1215037676
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 25, 2006
Last updated in NPPESJune 11, 2021
Certification dateJune 8, 2021