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

Ann K. Markes, MD

Individual provider Internal Medicine Physician · NPI 1407820640

Ann K. Markes, MD is an Internal Medicine Physician in Northampton, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
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

43 Center St Ste 201
Northampton, MA 01060-3063
Phone: (413) 587-4223
Fax: (413) 587-0416
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 54512 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 54512 (MA)

Record details

NPI number1407820640
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 15, 2006
Last updated in NPPESSeptember 11, 2025

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