Mary Ann Villanueva, NP
NPI 1649588252 · Adult Health Nurse Practitioner · Los Angeles, CA
Mary Ann Villanueva, NP is a Adult Health Nurse Practitioner provider in Los Angeles, CA (NPI 1649588252).
Provider details
- NPI number
- 1649588252
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 20284 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-09-16
- Last updated
- 2021-11-30
Frequently asked questions
- What is Mary Ann Villanueva's NPI number?
- Mary Ann Villanueva's National Provider Identifier (NPI) is 1649588252, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Villanueva's specialty?
- Mary Ann Villanueva is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Ann Villanueva located?
- Mary Ann Villanueva's practice location on file with NPPES is 400 W 30th St, Los Angeles, CA 90007-3320.
- What is Mary Ann Villanueva's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Villanueva is (213) 284-3200.
- Is Mary Ann Villanueva's NPI active?
- Yes — Mary Ann Villanueva's NPI (1649588252) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.