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

Patricia M Callahan, MD

Individual provider Pediatrics Physician · NPI 1023010543

Patricia M Callahan, MD is a Pediatric Medicine in Eugene, Oregon. Graduated from West Virginia University School of Medicine in 1999, 27 years ago. Practices with Oregon Healthcare Resources LLC, a 162-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan, Oregon and Wisconsin.

Years since qualifying
27
Trained at
West Virginia University School of Medicine
Licensed in
MI, OR, WI
In the registry since
2005
Specialties on file
3
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

2830 Crescent Ave
Eugene, OR 97408-7397
Phone: (541) 686-9000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2701 E Enterprise Ave, Appleton, WI 54913-7729 — (920) 831-5050

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MD221841 (OR)
Pediatrics Physician Taxonomy 208000000X · Licence 4301081153 (MI)
Pediatrics Physician Taxonomy 208000000X · Licence 52382 (WI)

Record details

NPI number1023010543
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 15, 2005
Last updated in NPPESSeptember 19, 2025
Certification dateSeptember 19, 2025

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Oregon Healthcare Resources Llc — 162 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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