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

Dr. Nelson O Onyango, MD

Individual provider Hospitalist Physician · NPI 1265896658

Dr. Nelson O Onyango, MD is a Hospitalist in Scottsdale, Arizona. Graduated from Pennsylvania State University College of Medicine in 2016, 10 years ago. Practices with Mayo Clinic Arizona, a 1,616-clinician group and accepts Medicare assignment. Licensed in Arizona and Ohio.

Years since qualifying
10
Trained at
Pennsylvania State University College of Medicine
Licensed in
AZ, OH
In the registry since
2016
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

13400 E Shea Blvd
Scottsdale, AZ 85259-5499
Phone: (480) 301-8000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 77160 (AZ)
Hospitalist Physician Taxonomy 208M00000X · Licence 35139444 (OH)
Pediatrics Physician Taxonomy 208000000X · Licence 35139444 (OH)

Record details

NPI number1265896658
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 12, 2016
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Mayo Clinic Arizona — 1616 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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