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

MS. Mary Ann Villanueva, NP

Individual provider Adult Health Nurse Practitioner · NPI 1649588252

MS. Mary Ann Villanueva, NP is an Adult Health Nurse Practitioner in Los Angeles, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

400 W 30th St
Los Angeles, CA 90007-3320
Phone: (213) 284-3200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 20284 (CA)

Record details

NPI number1649588252
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedSeptember 16, 2010
Last updated in NPPESNovember 30, 2021

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