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

Ralph Lawrence Derstine, MD

Individual provider Family Medicine Physician · NPI 1265680938

Ralph Lawrence Derstine, MD is a Family Medicine Physician in Harleysville, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

488 Harleysville Pike
Harleysville, PA 19438
Phone: (215) 256-9445
Fax: (215) 256-4857
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD008043E (PA)

Record details

NPI number1265680938
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 5, 2008
Last updated in NPPESSeptember 5, 2008
Mailing address488 Harleysville Pike, Harleysville, PA 19438

Other providers in Harleysville