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

Dr. Trinka Susan Coster, MD

Individual provider Internal Medicine Physician · NPI 1255340261

Dr. Trinka Susan Coster, MD is an Internal Medicine Physician in Frederick, Maryland. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

1434 Porter Street Barquist Army Health Care Facility
Frederick, MD 21702
Phone: (301) 319-7208
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G76367 (CA)

Record details

NPI number1255340261
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 7, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Frederick