Internal Medicine - Rheumatology Specialists in Corvallis, OR
Browse 6 Internal Medicine - Rheumatology providers listed in NPPES with a practice address in Corvallis, Oregon.
How Corvallis compares with the U.S.
6 active clinicians in Internal Medicine - Rheumatology list a practice address in Corvallis, OR in the NPI registry.
With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.
Too few clinicians in Internal Medicine - Rheumatology in Corvallis are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.
These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.
Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com · Methodology
Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.
Dr. Mary Abraham , MD
Internal Medicine - Rheumatology
Dr. Jack Chen , DO
Internal Medicine - Rheumatology
Dr. Jonathan David Jones , MD
Internal Medicine - Rheumatology
Dr. Michelle Marie Ryan , MD
Internal Medicine - Rheumatology
Dr. John Stephen Thompson , MD
Internal Medicine - Rheumatology
Dr. John R Ladd , MD
Internal Medicine - Rheumatology
Frequently Asked Questions about Internal Medicine - Rheumatology in Corvallis
Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Oregon licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.
This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.
Other Specialties in Corvallis
- Student in an Organized Health Care Education/Training Program 177
- Physical Therapist 143
- Social Worker - Clinical 117
- Physician Assistant 75
- Pharmacist 69
- Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 48
- Nurse Practitioner - Family 45
- Dentist - General Practice 36
- Occupational Therapist 34
- Psychologist 28
- Specialist 27
- Chiropractor 23
Internal Medicine - Rheumatology Specialists in Other Oregon Cities
Cities with the most listed practitioners first.