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

Dr. Michael Joseph Horwath, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1861427932

Dr. Michael Joseph Horwath, MD is an Endocrinology, Diabetes & Metabolism Physician in Alexandria, Virginia. Practices as a sole proprietor and works from 2 locations. Licensed in Virginia.

Licensed in
VA
In the registry since
2006
Specialties on file
2
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

6355 Walker Ln Ste 405
Alexandria, VA 22310-3238
Phone: (703) 719-6715
Fax: (703) 719-5762
Show map & directions

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

Additional practice locations (1)

  • 1800 Town Center Dr, Reston, VA 20190-3238 — (703) 978-1196

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 0101037920 (VA)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 37920 (VA)

Record details

NPI number1861427932
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 11, 2006
Last updated in NPPESSeptember 21, 2021
Certification dateSeptember 21, 2021

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