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

Dr. David Troy Armstrong, DO

Individual provider Internal Medicine Physician · NPI 1487852349

Dr. David Troy Armstrong, DO is an Internal Medicine Physician in Louisville, Kentucky. Licensed in Kentucky, Pennsylvania and Wyoming. Registered with an NPI since 2007.

Licensed in
KY, PA, WY
In the registry since
2007
Specialties on file
4
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.

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Practice location Address checks out

401 E Chestnut St Unit 310
Louisville, KY 40202-5703
Phone: (502) 588-4600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence TP821 (KY)
Internal Medicine Physician Taxonomy 207R00000X · Licence OS014098 (PA)
Rheumatology Physician Taxonomy 207RR0500X · Licence 10351A (WY)
Rheumatology Physician Taxonomy 207RR0500X · Licence OS014098 (PA)

Record details

NPI number1487852349
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 3, 2007
Last updated in NPPESJune 14, 2022
Certification dateJune 14, 2022

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