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Physician Profile

John M. Holland, MD

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Where to find John M. Holland, MD

About Dr. Holland

John M. Holland, MD is a healthcare provider in Portland, OR specializing in radiation oncology. John trained at Washington University School of Medicine, graduating in 1989. According to Medicare claims data, John cared for 34 Medicare patients across 153 services. The services billed most often include ct guidance for insertion of radiation therapy fields and radiation treatment management, 5 treatment sessions. This provider record is associated with NPI 1104834662.

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

Education & Training

Specialty

Radiation Oncology (Primary)

Credentials & Licensing

OR licenceAs reported to the NPI registry
No. MD19074As reported
NPINational Provider Identifier
1104834662Issued 2006

As reported to the NPI registry ↗

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. Holland?

Dr. Holland is a radiation oncologist in Portland, OR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.

NPI registry

What is Dr. Holland's address?

Dr. Holland is listed at 3181 Sw Sam Jackson Park Rd Kpv4, Portland, OR 97239. 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. Holland?

The number on file is (503) 494-8756. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Holland's NPI number?

Dr. Holland's National Provider Identifier is 1104834662. 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. Holland train?

Dr. Holland attended Washington University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Holland been practicing?

Dr. Holland has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Holland perform?

According to Medicare billing data, Dr. Holland performs imaging including ct guidance for insertion of radiation therapy fields and radiation treatment management, 5 treatment sessions. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Holland confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Holland. 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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