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

Dr. Katherine Elizabeth Ferguson, MD

Individual provider Internal Medicine Physician · NPI 1891229829

Dr. Katherine Elizabeth Ferguson, MD is an Internal Medicine Physician in Portland, Maine. Works from 3 locations. Licensed in Massachusetts and Maine.

Licensed in
MA, ME
In the registry since
2017
Specialties on file
3
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

22 Bramhall St
Portland, ME 04102-3134
Phone: (207) 662-3500
Fax: (207) 662-6006
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 55 Fruit St, Boston, MA 02114-2621 — (973) 255-7042
  • 144 Us Route 1 Ste 2, Scarborough, ME 04074-7219 — (207) 396-7606

Specialties & licences

Hospice and Palliative Medicine (Internal Medicine) Physician (primary) Taxonomy 207RH0002X · Licence MD30676 (ME)
Internal Medicine Physician Taxonomy 207R00000X · Licence 282719 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD30676 (ME)

Record details

NPI number1891229829
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 17, 2017
Last updated in NPPESJuly 15, 2026
Certification dateJuly 15, 2026

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