Mark Villanueva
NPI 1265115224 · Clinical Social Worker · Wahiawa, HI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Villanueva is a Clinical Social Worker provider in Wahiawa, HI (NPI 1265115224).
Provider details
- NPI number
- 1265115224
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2523 (HI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2023-08-08
- Last updated
- 2026-05-04
- Certified
- 2026-05-04
Frequently asked questions
- What is Mark Villanueva's NPI number?
- Mark Villanueva's National Provider Identifier (NPI) is 1265115224, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Villanueva's specialty?
- Mark Villanueva is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Villanueva located?
- Mark Villanueva's practice location on file with NPPES is Po Box 861684, Wahiawa, HI 96786-8563.
- What is Mark Villanueva's phone number?
- The practice phone number listed in the NPPES registry for Mark Villanueva is (808) 220-7042.
- Does Mark Villanueva accept Medicare?
- Mark Villanueva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Villanueva's NPI active?
- Yes — Mark Villanueva's NPI (1265115224) is active in the NPPES registry as of the last update on 2026-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.