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MARK THOMAS VILLANUEVA
NPI 1265115224
Social Worker - Clinical in Wahiawa, HI

Active since August 08, 2023PECOS Enrolled
PO BOX 861684, WAHIAWA, HI 96786(808) 220-7042 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 4, 2026, Feb 18, 2025, Aug 8, 2023 (3 updates tracked since 2023).

About Mark Thomas Villanueva NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK THOMAS VILLANUEVA (NPI 1265115224) is an individual clinical provider in Wahiawa, Hawaii, licensed in Hawaii (5291) and active in the NPI registry since August 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265115224
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARK THOMAS VILLANUEVA
Location AddressPO BOX 861684Wahiawa, HI 96786-8563
Mailing AddressPo Box 752123Houston, TX 77275-2123 · (312) 476-9064
Phone(808) 220-7042
Sole ProprietorYes
Enumeration DateAugust 8, 2023
Last NPPES UpdateMay 4, 20263 updates tracked since enumeration
NPPES CertifiedMay 4, 2026
✔ NPI 1265115224 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in HI · 5291✔ Licensed in NV · 12858-C
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedSocial WorkerTaxonomy 104100000X · License 2523 (HI)
PO BOX 861684, Wahiawa, HI 96786
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Thomas Villanueva is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96786 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $60.53 – $180.05
Typical copayment $0.00 (range $15.13 – $45.01)
Most-billed visit code NA
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Villanueva's NPI number?

The NPI number for Mark Villanueva is 1265115224. It was assigned to this individual provider in the NPPES registry on August 8, 2023.

Where is Mark Villanueva located?

Mark Villanueva practices at PO Box 861684, Wahiawa, HI 96786. The listed phone number is (808) 220-7042.

What is Mark Villanueva's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mark Villanueva enrolled in Medicare?

Yes. Mark Villanueva is registered in the Medicare PECOS enrollment system.

What insurance does Mark Villanueva accept?

Health plans from HMSA and Providence Health Plan list Mark Villanueva as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Villanueva was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.