Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marissa R. O'Malia PC

Organization Chiropractor · NPI 1851644652

Marissa R. O'Malia PC provides Chiropractor services in Washington, District of Columbia. Registered with an NPI since 2012.

In the registry since
2012
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2440 M St NW Ste 807
Washington, DC 20037-1475 Not confirmed with CMS for 13 years — call before visiting
Phone: (202) 887-5375
Fax: (202) 887-1833
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X

Record details

NPI number1851644652
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marissa O'Malia — Owner/President · (202) 887-5375
NPI enumeratedOctober 18, 2012
Last updated in NPPESOctober 18, 2012
Mailing address2440 M St Nw, Suite 807, Washington, DC 20037-1475

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