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

Dr. Timothy A. Deffer, MD

Individual provider Dermatology Physician · NPI 1851478283

Dr. Timothy A. Deffer, MD is a Dermatology Physician in Springfield, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
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

3231 S National Ave
Springfield, MO 65807-7304
Phone: (417) 885-0803
Fax: (417) 841-0110
Show map & directions

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 2001013325 (MO)

Record details

NPI number1851478283
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESMay 3, 2013

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