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

Dr. Noah Russell Rees Mason, MD

Individual provider Pediatrics Physician · NPI 1003566795

Dr. Noah Russell Rees Mason, MD is a Hospitalist in Aurora, Colorado. Graduated from University of Chicago, Pritzker School of Medicine in 2022, 4 years ago. Practices with University Physicians Incorporated, a 3,148-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
4
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
CO
In the registry since
2022
Specialties on file
2
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

13123 E 16th Ave # B065
Aurora, CO 80045-7106
Phone: (720) 777-2715
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence DR.0075523 (CO)
Pediatrics Physician Taxonomy 208000000X · Licence DR.0075523 (CO)

Record details

NPI number1003566795
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2022
Last updated in NPPESAugust 14, 2025
Certification dateAugust 14, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Group practice University Physicians Incorporated — 3148 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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