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Physician Profile

Marissa N. Jansen, MD

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At a glance

About Dr. Jansen

Marissa N. Jansen, MD is listed as a student in an organized health care education program in Washington, DC. NPI 1639014046 identifies this record in the national registry.

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

Credentials & Licensing

NPINational Provider Identifier
1639014046Issued 2026

As reported to the NPI registry ↗

Common questions

What does Dr. Jansen specialize in?

Dr. Jansen is a medical trainee in Washington, DC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Student in an Organized Health Care Education Program”.

NPI registry

Where is Dr. Jansen located?

Dr. Jansen is listed at 110 Irving St Nw, Washington, DC 20010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Jansen's phone number?

The number on file is (202) 877-7000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Jansen's NPI number?

Dr. Jansen's National Provider Identifier is 1639014046. 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

Has Dr. Jansen confirmed this information?

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