Summary

Dr. Katherine Keller is a rheumatologist who also practices internal medicine, bringing specialized expertise in diagnosing and treating conditions that affect the joints, muscles, and immune system. Her dual training allows her to provide comprehensive care for patients with complex rheumatic diseases while managing their overall health needs.

Dr. Keller practices at MaineHealth Maine Medical Center and Northern Light Mercy Hospital in Portland, Maine. She focuses on treating rheumatoid arthritis and helping patients manage joint pain and stiffness. Her approach includes comprehensive blood work and metabolic testing to monitor disease activity and treatment response.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 2 specialties
  • 1 area of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Female

Office Locations

Dr. Katherine Peterson Keller has 2 locations

Rheumatology Associates Pa

51 Sewall StPortland, ME 04102
Mon9:00 am - 5:00 pm
Tue11:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Mainehealth Maine Medical Center

22 Bramhall StPortland, ME 04102

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Dr. Katherine Peterson Keller, MDDr. Michael David Digianvittorio, DODr. Walter L Novey, MDDr. Susan Ellen Dunn, MD
RheumatologyDiagnostic RadiologyEmergency MedicineNephrology
Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
16 Years of Experience 36 Years of Experience 18 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Portland , MESouth Portland , MESCARBOROUGH , MEAugusta , ME
Med School: University Of New England College Of Osteopathic Medicine Med School: Icahn School Of Medicine At Mount Sinai Med School: Saba University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Katherine Peterson Keller

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Katherine Peterson Keller has the following 2 specialties

Specialty Expertise

Dr. Katherine Peterson Keller has the following area of expertise

  • Internal Medicine

Certifications, License, & Education

MEDICAL LICENSE

Doctor Of Osteopathy, Maine, 2025, Expired

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Frequently Asked Questions

Which hospitals is Dr. Katherine Keller affiliated with?
Dr. Katherine Keller is affiliated with Mainehealth Maine Medical Center and Northern Light Mercy Hospital.
Does Dr. Katherine Keller accept my insurance?
You can see the insurance plans that Dr. Katherine Keller accepts on their Vitals profile.
Where is Dr. Katherine Keller's office located?
Dr. Katherine Keller's office is located at 51 Sewall St, Portland, ME, 04102.
Is Dr. Katherine Keller accepting new patients?
Dr. Katherine Keller is accepting new patients on Vitals. View Dr. Katherine Keller's profile on Vitals to make an appointment.
Does Dr. Katherine Keller accept virtual/telehealth appointments?
Dr. Katherine Keller has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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