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

Katherine R Caldwell, MD

Individual provider Internal Medicine Physician · NPI 1730257411

Katherine R Caldwell, MD is an Internal Medicine in Portland, Maine. Graduated from University of Massachusetts Medical School in 2004, 22 years ago. Practices with Intermed PA, a 185-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maine and Minnesota.

Years since qualifying
22
Trained at
University of Massachusetts Medical School
Licensed in
ME, MN
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

84 Marginal Way Ste 700
Portland, ME 04101-2443
Phone: (207) 774-5816
Fax: (207) 523-8597
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD17709 (ME)
Internal Medicine Physician Taxonomy 207R00000X · Licence EC05076 (ME)
Internal Medicine Physician Taxonomy 207R00000X · Licence 017709 (ME)
Internal Medicine Physician Taxonomy 207R00000X · Licence 55033 (MN)

Record details

NPI number1730257411
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2006
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 2004 (22 years in practice)
Group practice Intermed Pa — 185 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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