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

James Nathaniel Mason, DO

Individual provider Hematology & Oncology Physician · NPI 1114362001

James Nathaniel Mason, DO is a Hematology/Oncology in Ogden, Utah. Graduated from Oklahoma State University College of Osteopathic Medicine in 2013, 13 years ago. Practices with Ihc Health Services Inc, a 3,947-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
13
Trained at
Oklahoma State University College of Osteopathic Medicine
Licensed in
TX
In the registry since
2013
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

4403 Harrison Blvd Ste 1670
Ogden, UT 84403-3306
Phone: (801) 387-7150
Show map & directions

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

Additional practice locations (1)

  • 2401 S 31st St, Temple, TX 76508-0001 — (254) 724-2111

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence Q8954 (TX)

Record details

NPI number1114362001
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 6, 2013
Last updated in NPPESJuly 16, 2025
Certification dateJuly 16, 2025
Mailing addressPo Box 844658, Dallas, TX 75284-4658

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2013 (13 years in practice)
Group practice Ihc Health Services Inc — 3947 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Ogden