Physician Profile

Jonathan M. Claassen, MD

Unclaimed Profile

About Dr. Claassen

Jonathan M. Claassen, MD is a healthcare provider in Medford, OR specializing in anesthesiology. Jonathan trained at University of North Carolina at Chapel Hill School of Medicine, graduating in 2002. According to Medicare claims data, Jonathan cared for 179 Medicare patients across 179 services. The services billed most often include anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, anesthesia for procedure for total knee joint replacement, and injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve).

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Anesthesiology (Primary)
Anesthesiology (Additional)

Credentials & Licensing

OR licenseMD29027
CA licenseA87730
NPI1780799114
NPI issued08/19/2006

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
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. Claassen?

Dr. Claassen is an anesthesiologist in Medford, OR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

What is Dr. Claassen's address?

Dr. Claassen is listed at 842 E Main St, Medford, OR 97504. 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. Claassen?

The number on file is (541) 773-7273. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Claassen's NPI number?

Dr. Claassen's National Provider Identifier is 1780799114. 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. Claassen train?

Dr. Claassen attended University of North Carolina at Chapel Hill School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Claassen been practicing?

Dr. Claassen has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Claassen perform?

According to Medicare billing data, Dr. Claassen performs procedures including injection of anesthetic agent and/or steroid into thigh nerve and insertion of artery tube for blood sampling or infusion through skin; provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for procedure for total knee joint replacement. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Claassen confirmed this information?

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

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.