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

Dr. Deborah Anne McMahan, MD

Individual provider Internal Medicine Physician · NPI 1366563165

Dr. Deborah Anne McMahan, MD is an Internal Medicine Physician in Fort Wayne, Indiana. Licensed in Indiana. Registered with an NPI since 2007.

Licensed in
IN
In the registry since
2007
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

4813 New Haven Ave
Fort Wayne, IN 46803-3018
Phone: (260) 449-7670
Fax: (260) 427-1391
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 01041980 (IN)

Record details

NPI number1366563165
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2007
Last updated in NPPESJanuary 24, 2012

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