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Physician Profile

Mark C. Olesen, MD

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At a glance

About Dr. Olesen

Mark C. Olesen, MD practices preventive medicine — preventive/occupational in Bethesda, MD. The provider's National Provider Identifier (NPI) is 1558363184.

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

Credentials & Licensing

CA licenceAs reported to the NPI registry
No. GFE53142As reported
NPINational Provider Identifier
1558363184Issued 2005

As reported to the NPI registry ↗

Medicare information

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. Olesen?

Dr. Olesen is a preventive medicine in Bethesda, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Preventive Medicine — Preventive/Occupational”.

NPI registry

What is Dr. Olesen's address?

Dr. Olesen is listed at 8901 Wisconsin Avenue National Naval Medical Center, Bethesda, MD 20889. 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. Olesen?

The number on file is (301) 295-2427. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Olesen's NPI number?

Dr. Olesen's National Provider Identifier is 1558363184. 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

How long has Dr. Olesen been practicing?

Dr. Olesen has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Olesen confirmed this information?

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

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