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

Arthur Louis Lenahan III, MDMPH

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1023647062

Arthur Louis Lenahan III, MDMPH is a Medical Genetics and Genomics in Portland, Oregon. Graduated from Oregon Health Sciences University School of Medicine in 2020, 6 years ago. Practices with Legacy Emanuel Hospital and Health Center, a 233-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
6
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
OR
In the registry since
2020
Specialties on file
2
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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Portland, OR

No coordinates on file. Search this address in Google Maps

Additional practice locations (3)

  • 1040 Nw 22nd Ave Ste Ll030, Portland, OR 97210-3057 — (503) 413-7702
  • 2801 N Gantenbein Ave Fl 3, Portland, OR 97227-1623 — (503) 276-9300
  • 4800 Sand Point Way Ne # Oc.7830, Seattle, WA 98105-3901 — (206) 987-2000

Specialties & licences

Ph.D. Medical Genetics Physician (primary) Taxonomy 207SG0205X · Licence MD220000 (OR)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1023647062
Entity typeIndividual (Type 1)
GenderMale
Credentials MDMPH
Sole proprietorNo
NPI enumeratedApril 2, 2020
Last updated in NPPESFebruary 14, 2025
Certification dateFebruary 14, 2025

Medicare enrollment

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

Medicare specialtyMEDICAL GENETICS AND GENOMICS
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 2020 (6 years in practice)
Group practice Legacy Emanuel Hospital And Health Center — 233 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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