Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ann S O'Malley, MD, MPH

Individual provider Public Health & General Preventive Medicine Physician · NPI 1558228155

Dr. Ann S O'Malley, MD, MPH is a Public Health & General Preventive Medicine Physician in Washington, District of Columbia. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2026
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

1100 1st St NE Fl E12
Washington, DC 20002-5049
Phone: (202) 554-7569
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Public Health & General Preventive Medicine Physician (primary) Taxonomy 2083P0901X · Licence D0046559 (MD)

Record details

NPI number1558228155
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorYes
NPI enumeratedJanuary 6, 2026
Last updated in NPPESJanuary 6, 2026
Certification dateJanuary 6, 2026

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