Maria Villanueva, NP
NPI 1609960434 · Nurse Practitioner · Palo Alto, CA
Maria Villanueva, NP is a Nurse Practitioner provider in Palo Alto, CA (NPI 1609960434).
Provider details
- NPI number
- 1609960434
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 9559 (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
19 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
- 2006-10-03
- Last updated
- 2024-01-24
- Certified
- 2024-01-24
Frequently asked questions
- What is Maria Villanueva's NPI number?
- Maria Villanueva's National Provider Identifier (NPI) is 1609960434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Villanueva's specialty?
- Maria Villanueva is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Villanueva located?
- Maria Villanueva's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Maria Villanueva's phone number?
- The practice phone number listed in the NPPES registry for Maria Villanueva is (650) 497-8000.
- Is Maria Villanueva's NPI active?
- Yes — Maria Villanueva's NPI (1609960434) is active in the NPPES registry as of the last update on 2024-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.