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

Ryan Herchan, DO

Individual provider Obesity Medicine (Internal Medicine) Physician · NPI 1790487346

Ryan Herchan, DO is an Obesity Medicine (Internal Medicine) Physician in Danville, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2023
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

100 N Academy Ave
Danville, PA 17822-9800
Phone: (570) 271-6468
Fax: (570) 271-7805
Show map & directions

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

Specialties & licences

Obesity Medicine (Internal Medicine) Physician (primary) Taxonomy 207RB0002X · Licence OS025800 (PA)

Record details

NPI number1790487346
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 20, 2023
Last updated in NPPESJune 29, 2026
Certification dateJune 29, 2026