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

Dr. David M Callahan, DO

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1386660157

Dr. David M Callahan, DO is a Critical Care Medicine (Internal Medicine) Physician in West Grove, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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

1011 W Baltimore Pike Ste 301
West Grove, PA 19390-9446
Phone: (610) 869-3620
Fax: (610) 869-0358
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence AC9490929 (PA)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence AC9490929 (PA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence AC9490929 (PA)

Record details

NPI number1386660157
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESAugust 8, 2012
Mailing address1011 W Baltimore Pike, Suite 301, West Grove, PA 19390-9446