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.

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Practice location Address checks out

3231 S National Ave
Springfield, MO 65807-7304
Phone: (417) 885-0803
Fax: (417) 841-0110
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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
Mailing addressPo Box 2580, Springfield, MO 65801-2580

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