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

Individual provider Internal Medicine Physician · NPI 1851787824

Mary Kathryn Hannan, MD is an Internal Medicine Physician in Washington, District of Columbia. Practices as a sole proprietor and works from 3 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2015
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Red Team Primary Care 50 Irving St NW
Washington, DC 20422
Phone: (202) 745-8000
Fax: (202) 518-4880
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 15 Parkman Street, Boston, MA 02114 — (617) 724-6610
  • 3400 Spruce St, Philadelphia, PA 19104-4238 — (215) 662-2200

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 276673 (MA)

Record details

NPI number1851787824
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 7, 2015
Last updated in NPPESSeptember 21, 2023
Certification dateSeptember 21, 2023

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