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

GIOVANNI VILLEGAS DO
NPI 1629607908
Psychiatry & Neurology - Psychiatry in Riverside, CA

Active since April 07, 2020PECOS Enrolled
5900 BROCKTON AVE, RIVERSIDE, CA 92506(951) 275-8400 Get Directions Write a Review

NPPES record last updated: November 1, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 1, 2026, Jul 22, 2024, Jul 19, 2024 and 2 more (5 updates tracked since 2020).

About Giovanni Villegas Do NPPES

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

GIOVANNI VILLEGAS DO (NPI 1629607908) is an individual psychiatry provider in Riverside, California, licensed in California (20A22304) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1629607908
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameGIOVANNI VILLEGASCredential: DO
Location Address5900 BROCKTON AVERiverside, CA 92506-1862
Mailing Address30767 Gateway Pl # 556Rancho Mission Viejo, CA 92694-1856 · (949) 370-7245
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateApril 7, 2020
Last NPPES UpdateNovember 1, 20265 updates tracked since enumeration
NPPES CertifiedNovember 1, 2026
✔ NPI 1629607908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · 20A22304
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
5900 BROCKTON AVE, Riverside, CA 92506

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Giovanni Villegas Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688112535
PECOS Enrollment IDI20240809003845
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 Reassignments

2

Medicare enrollment records show Giovanni Villegas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adult Mental Health
6833 INDIANA AVE STE 101
Riverside, CA 92506
  • Reassigned Medicare billing, California enrollment
  • 40 clinicians in this Medicare group
Adult Mental Health
2401 E KATELLA AVE STE 625
Anaheim, CA 92806
  • Reassigned Medicare billing, California enrollment
  • 20 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
60 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92506 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
$179.42 typical visit price
range $59.60 – $179.42
Typical copayment $44.85 (range $14.90 – $44.85)
Most-billed visit code 99205
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatric Hospital
5900 BROCKTON AVE
RIVERSIDE, CA 92506
Psychiatry & Neurology (Psychiatry)
5900 BROCKTON AVE
RIVERSIDE, CA 92506
Clinic/Center
5900 BROCKTON AVE
RIVERSIDE, CA 92506
General Acute Care Hospital
5900 BROCKTON AVE
RIVERSIDE, CA 92506
Internal Medicine
5900 BROCKTON AVE
RIVERSIDE, CA 92506
Psychiatry & Neurology (Psychiatry)
5900 BROCKTON AVE, SUITE A RIVERSIDE PSYCHIATRIC MEDICAL GROUP
RIVERSIDE, CA 92506
Psychiatric Hospital
5900 BROCKTON AVE
RIVERSIDE, CA 92506
Psychiatric Hospital
5900 BROCKTON AVE
RIVERSIDE, CA 92506

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 Giovanni Villegas's NPI number?

The NPI number for Giovanni Villegas is 1629607908. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Where is Giovanni Villegas located?

Giovanni Villegas practices at 5900 Brockton Ave, Riverside, CA 92506. The listed phone number is (951) 275-8400.

What is Giovanni Villegas's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Giovanni Villegas enrolled in Medicare?

Yes. Giovanni Villegas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Giovanni Villegas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Giovanni Villegas reassigns Medicare benefits to 2 organizations: Nebula Health, LLC (Riverside, CA) and Eugene Rosenman MD Professional Corporation (Anaheim, CA). Each 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 Giovanni Villegas'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 Giovanni Villegas was last updated on November 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.