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

John Patrick Ohsann, PA-C

Individual provider Physician Assistant · NPI 1508379199

John Patrick Ohsann, PA-C is a Physician Assistant in Frederick, Maryland. Works from 3 locations. Licensed in Maryland.

Licensed in
MD
In the registry since
2017
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

110 Baughmans Ln Ste 140
Frederick, MD 21702-4649
Phone: (240) 215-1138
Show map & directions

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

Additional practice locations (2)

  • 998 Divisadero St Apt 105, San Francisco, CA 94115-4403 — (804) 502-8986
  • 196 Thomas Johnson Dr Ste 120, Frederick, MD 21702-4521 — (240) 566-3130

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence C0006814 (MD)

Record details

NPI number1508379199
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedNovember 6, 2017
Last updated in NPPESJanuary 28, 2021
Certification dateJanuary 9, 2021
Mailing address196 Thomas Johnson Dr Ste 120, Frederick, MD 21702-4521

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