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

Joshua Andrew Keller, MD

Individual provider Rheumatology Physician · NPI 1578975439

Joshua Andrew Keller, MD is a Rheumatology in Portland, Maine. Qualified in 2014, 12 years ago. Practices with York Hospital, a 206-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
12
Licensed in
ME
In the registry since
2014
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

51 Sewall St
Portland, ME 04102-2643
Phone: (207) 774-5761
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence MD21587 (ME)

Record details

NPI number1578975439
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 27, 2014
Last updated in NPPESSeptember 30, 2021
Certification dateSeptember 30, 2021

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice York Hospital — 206 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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