Physician Profile

Ann S O'Malley, MD, MPH

Unclaimed Profile

About Dr. O'malley

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Specialty

Public Health & General Preventive Medicine (Primary)

Credentials & Licensing

MD licenseD0046559
NPI1558228155
NPI issued01/06/2026

Source: NPPES NPI Registry

Common questions

What is Dr. O'Malley's specialty?

Dr. O'Malley is a public health & general preventive medicine in Washington, DC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Public Health & General Preventive Medicine”.

NPI registry

Where can I find Dr. O'Malley?

Dr. O'Malley is listed at 1100 1ST ST NE FL E12, Washington, DC 20002. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. O'Malley?

The number on file is (202) 554-7569. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. O'Malley?

Dr. O'Malley's National Provider Identifier is 1558228155. 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

Is Dr. O'Malley's profile verified?

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