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Physician Profile

Clayton B. Hess, MD

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Where to find Clayton B. Hess, MD

About Dr. Hess

Clayton B. Hess, MD is a healthcare provider in Grass Valley, CA specializing in radiation oncology. Clayton trained at Pennsylvania State University College of Medicine, graduating in 2011. Medicare claims data shows Clayton provided 8,656 services to 1,800 patients. The services billed most often include ct guidance for insertion of radiation therapy fields, superficial and/or low voltage radiation treatment delivery, and calculation of radiation therapy dose. This provider record is associated with NPI 1235429507.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Radiation Oncology (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 123801CurrentExpires Dec 31, 2026Since 2012
GA licenceAs reported to the NPI registry
No. 081479As reported
MA licenceAs reported to the NPI registry
No. 270290As reported
TX licenceAs reported to the NPI registry
No. BP1-0039560As reported
NPINational Provider Identifier
1235429507Issued 2011

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Hess?

Dr. Hess is a radiation oncologist in Grass Valley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.

NPI registry

What is Dr. Hess's address?

Dr. Hess is listed at 155 Glasson Way Bldg 3L-20, Grass Valley, CA 95945. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Hess?

The number on file is (530) 274-6600. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Hess?

Dr. Hess's National Provider Identifier is 1235429507. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Hess train?

Dr. Hess attended Pennsylvania State University College of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Hess have?

Dr. Hess has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Hess perform?

According to Medicare billing data, Dr. Hess performs procedures including diagnostic exam of voice box using a flexible endoscope; reads or performs imaging such as ct guidance for insertion of radiation therapy fields and superficial and/or low voltage radiation treatment delivery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Hess's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hess. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

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