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
Mailing address3637 Rockdale Rd, Manchester, MD 21102-2617