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JUSTIN NGOC NGUYEN DO
NPI 1659909000
Psychiatry & Neurology - Psychiatry in Ventura, CA

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment
147 N BRENT ST, VENTURA, CA 93003(805) 948-5672 Get Directions Write a Review

NPPES record last updated: July 10, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 10, 2024, Jun 12, 2021, May 21, 2021 and 2 more (5 updates tracked since 2020).

About Justin Ngoc Nguyen Do NPPES

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

JUSTIN NGOC NGUYEN DO (NPI 1659909000) is an individual psychiatry provider in Ventura, California, licensed in California (21212) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2020).

NPPES Registry Identity

NPI1659909000
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJUSTIN NGOC NGUYENCredential: DO
Location Address147 N BRENT STVentura, CA 93003-2809
Mailing Address147 N Brent StVentura, CA 93003-2809
Phone(805) 948-5672
Sole ProprietorNo
Medical School CMSTouro Un College Of Osteopathic Medicine, VallejoGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateJuly 10, 20245 updates tracked since enumeration
NPPES CertifiedJuly 10, 2024
✔ NPI 1659909000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · 21212
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
147 N BRENT ST, Ventura, CA 93003
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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

Justin Ngoc Nguyen 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 ID1254779895
PECOS Enrollment IDI20240402003070
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

3

Medicare enrollment records show Justin Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community Memorial Health System
Same address
General Acute Care Hospital
147 N BRENT ST
Ventura, CA 93003
  • Reassigned Medicare billing, California enrollment
  • 267 clinicians in this Medicare group
NPI 1215903018 (805) 652-5011
Community Physicians Of Ventura County
0.1 mi
Multi-Specialty
168 N BRENT ST STE 403B
Ventura, CA 93003
  • Reassigned Medicare billing, California enrollment
  • 17 clinicians in this Medicare group
NPI 1558797233 (805) 948-6920
County Of Ventura
0.3 mi
Mental Health (Including Community Mental Health Center)
200 HILLMONT AVE
Ventura, CA 93003
  • Reassigned Medicare billing, California enrollment
  • 710 clinicians in this Medicare group
NPI 1205394525 (805) 652-6002

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 93003 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
$185.36 typical visit price
range $62.32 – $185.36
Typical copayment $46.34 (range $15.58 – $46.34)
Most-billed visit code 99205
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.

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.

DR. DANIEL BLAINE ASAY M.D.
Anesthesiology
147 N BRENT ST
VENTURA, CA 93003
Ventura County (801) 722-8295
CORY ROBERT GALL DO
Student in an Organized Health Care Education/Training Program
147 N BRENT ST
VENTURA, CA 93003
Ventura County (805) 948-5672
DR. ETHAN SCOTT LIEBERMAN MD
Internal Medicine
147 N BRENT ST
VENTURA, CA 93003
Ventura County (818) 719-2706
BREANNA CAYWOOD DO
Student in an Organized Health Care Education/Training Program
147 N BRENT ST
VENTURA, CA 93003
Ventura County (805) 948-5677
SHEROSE DANIELLA RENCK M.S. CCC-SLP
Speech-Language Pathologist
147 N BRENT ST
VENTURA, CA 93003
Ventura County (805) 948-5011
SERENA GERMAIN
Physical Therapist
147 N BRENT ST
VENTURA, CA 93003
Ventura County (805) 948-5011
CHUNG NAN WANG, M.D., INC.
Anesthesiology
147 N BRENT ST
VENTURA, CA 93003
Ventura County (805) 652-5011
VIGILANT MEDICAL, INC.
Anesthesiology
147 N BRENT ST
VENTURA, CA 93003
Ventura County (209) 473-6555

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 Justin Nguyen's NPI number?

The NPI number for Justin Nguyen is 1659909000. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Justin Nguyen located?

Justin Nguyen practices at 147 N Brent St, Ventura, CA 93003. The listed phone number is (805) 948-5672.

What is Justin Nguyen's specialty?

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

Is Justin Nguyen enrolled in Medicare?

Yes. Justin Nguyen 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 Justin Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Nguyen reassigns Medicare benefits to 3 organizations: Community Memorial Health System (Ventura, CA), Community Physicians Of Ventura County (Ventura, CA) and County Of Ventura (Ventura, 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 Justin Nguyen'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 Justin Nguyen was last updated on July 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.