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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JULIO MAYO
NPI 1033462072
Social Worker - Clinical in Oxnard, CA

Active since October 15, 2012PECOS Enrolled

NPPES record last updated: October 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Julio Mayo NPPES

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

JULIO MAYO (NPI 1033462072) is an individual clinical provider in Oxnard, California, licensed in California (70247) and active in the NPI registry since October 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1033462072
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJULIO MAYO
Location Address3014 S D STOxnard, CA 93033-5204
Mailing Address3014 S D StOxnard, CA 93033-5204
Phone(805) 832-4265
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateOctober 15, 2012
Last NPPES UpdateOctober 29, 2026
NPPES CertifiedOctober 29, 2026
✔ NPI 1033462072 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 70247
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.
3014 S D ST, Oxnard, CA 93033
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Julio Mayo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446740716
PECOS Enrollment IDI20251105002376
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.

Medicare Billing Reassignment

Medicare enrollment records show Julio Mayo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Ventura
Same address
Federally Qualified Health Center (FQHC)
2400 S C ST
Oxnard, CA 93033
  • Reassigned Medicare billing, California enrollment
  • 710 clinicians in this Medicare group
NPI 1952542896 (805) 240-7000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93033 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 $62.32 – $185.36
Typical copayment $0.00 (range $15.58 – $46.34)
Most-billed visit code NA
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
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 Julio Mayo's NPI number?

The NPI number for Julio Mayo is 1033462072. It was assigned to this individual provider in the NPPES registry on October 15, 2012.

Where is Julio Mayo located?

Julio Mayo practices at 3014 S D St, Oxnard, CA 93033. The listed phone number is (805) 832-4265.

What is Julio Mayo's specialty?

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

Is Julio Mayo enrolled in Medicare?

Yes. Julio Mayo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Julio Mayo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Julio Mayo reassigns Medicare benefits to County Of Ventura (Oxnard, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Julio Mayo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Julio Mayo was last updated on October 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.