DR. ANN S O'MALLEY MD, MPH
NPI 1558228155
Preventive Medicine - Public Health & General Preventive Medicine in Washington, DC

Q: What is Ann O'malley's NPI number?

The NPI number for Ann O'malley is 1558228155. It was assigned to this individual provider in the NPPES registry on January 6, 2026.

Q: What is Ann O'malley's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

Q: When was this NPI record last updated?

The NPPES record for Ann O'malley was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 06, 2026

1100 1ST ST NE FL E12, WASHINGTON, DC 20002(202) 554-7569 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Ann S O'malley Md, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANN S O'MALLEY MD, MPH (NPI 1558228155) is an individual public health & general preventive medicine provider in Washington, District Of Columbia, licensed in Maryland (D0046559) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1558228155

Entity TypeIndividualFemale

Primary Taxonomy2083P0901X

Provider Legal NameDR. ANN S O'MALLEYCredential: MD, MPH

Location Address1100 1ST ST NE FL E12Washington, DC 20002-5049

Mailing Address1100 1st St Ne Fl E12Washington, DC 20002-5049 · (202) 554-7569

Phone(202) 554-7569

Sole ProprietorYes

Enumeration DateJanuary 6, 2026

NPPES CertifiedJanuary 6, 2026

✔ NPI 1558228155 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Public Health & General Preventive MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083P0901X

License✔ Licensed in MD · D0046559

Definition

Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

1100 1ST ST NE FL E12, Washington, DC 20002

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ann O'malley's NPI number?

The NPI number for Ann O'malley is 1558228155. It was assigned to this individual provider in the NPPES registry on January 6, 2026.

Where is Ann O'malley located?

Ann O'malley practices at 1100 1st St NE Fl E12, Washington, DC 20002. The listed phone number is (202) 554-7569.

What is Ann O'malley's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

When was this NPI record last updated?

The NPPES record for Ann O'malley was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.