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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.
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.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 2 specialties
- 1 area of expertise
- 2 hospital affiliations
- 2 office locations
- Female
Office Locations
Dr. Katherine Peterson Keller has 2 locationsRheumatology Associates Pa
51 Sewall StPortland, ME 04102 Tel: (207) 774-5761
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
Compare with Similar Doctors
 | | |  |
| Dr. Katherine Peterson Keller, MD | Anna Stasiv | Janet Worrell Radford | Dr. Janet Diane Mcculley, DO |
| Rheumatology | Nurse Practitioner | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 22 Years of Experience | |||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | ||
| Portland , ME | Scarborough , ME | South Portland , ME | Portland , ME |
| Med School: University Of New England College Of Osteopathic Medicine | |||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Katherine Peterson Keller
Medical Specialties
Dr. Katherine Peterson Keller has the following 2 specialties
Specialty Expertise
Dr. Katherine Peterson Keller has the following area of expertise
Certifications, License, & Education
Dr. Katherine Peterson Keller holds an expired medical license in the state of Maine.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Maine that expired in 2025.
NPI Number
Dr. Keller's NPI number is 1568854404.
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Frequently Asked Questions
- 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 my insurance?
- You can see the insurance plans that Dr. Katherine Keller accepts on their Vitals profile.
- Which hospitals is Dr. Katherine Keller affiliated with?
- Dr. Katherine Keller is affiliated with Mainehealth Maine Medical Center and Northern Light Mercy Hospital.
- Where is Dr. Katherine Keller's office located?
- Dr. Katherine Keller's office is located at 51 Sewall St, Portland, ME, 04102.
- 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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