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

Dr. Philip Augustus Deffer Jr., MD

Individual provider Orthopaedic Hand Surgery Physician · NPI 1356344261

Dr. Philip Augustus Deffer Jr., MD is an Orthopaedic Hand Surgery Physician in Spencer, Iowa. Licensed in Iowa. Registered with an NPI since 2005.

Licensed in
IA
In the registry since
2005
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

1200 1st Ave E Ste C
Spencer, IA 51301-4342
Phone: (712) 262-7511
Fax: (712) 262-3658
Show map & directions

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

Specialties & licences

Orthopaedic Hand Surgery Physician (primary) Taxonomy 207XS0106X · Licence 31115 (IA)

Record details

NPI number1356344261
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESAugust 2, 2007