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

Clayton Burnett Hess, MD

Individual provider Radiation Oncology Physician · NPI 1235429507

Clayton Burnett Hess, MD is a Radiation Oncology in Grass Valley, California. Graduated from Pennsylvania State University College of Medicine in 2011, 15 years ago. Practices with Grass Valley Radiation Oncology, a 5-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California, Georgia, Massachusetts and Texas.

Years since qualifying
15
Trained at
Pennsylvania State University College of Medicine
Licensed in
CA, GA, MA, TX
In the registry since
2011
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

155 Glasson Way Bldg 3L-20
Grass Valley, CA 95945-5723
Phone: (530) 274-6600
Show map & directions

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

Additional practice locations (1)

  • 300 Sierra College Dr Ste 150, Grass Valley, CA 95945-5083 — (530) 274-6600

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence A123801 (CA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence BP1-0039560 (TX)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 270290 (MA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 081479 (GA)

Record details

NPI number1235429507
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2011
Last updated in NPPESFebruary 7, 2024
Certification dateFebruary 7, 2024

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Also practisesFAMILY PRACTICE
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Grass Valley Radiation Oncology — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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