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
Mailing address43 Center St, Suite 201, Northampton, MA 01060-3063

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