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

Dr. Harry Ashby De Butts III, DO

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1225267891

Dr. Harry Ashby De Butts III, DO is an Internal Medicine in Horsham, Pennsylvania. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2009, 17 years ago. Practices as a sole proprietor. Licensed in Pennsylvania.

Years since qualifying
17
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
PA
In the registry since
2009
Specialties on file
3
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

401 Horsham Rd
Horsham, PA 19044-2013
Phone: (484) 944-1551
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 OS016305 (PA)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence OS016305 (PA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence OT013274 (PA)

Record details

NPI number1225267891
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 4, 2009
Last updated in NPPESNovember 22, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2009 (17 years in practice)
Accepts Medicare assignment Not indicated