KHAI NGUYEN MD
NPI 1992102990
Psychiatry & Neurology - Psychiatry in Patton, CA

Active since November 19, 2014PECOS EnrolledAccepts Medicare Assignment
3102 E HIGHLAND AVE, PATTON, CA 92369(951) 840-5836 Get Directions Write a Review

NPPES record last updated: April 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 26, 2021, Jun 29, 2020, Feb 8, 2020 and 1 more (4 updates tracked since 2019).

About Khai Nguyen Md NPPES

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

KHAI NGUYEN MD (NPI 1992102990) is an individual psychiatry provider in Patton, California, licensed in California (A151492) and active in the NPI registry since November 2014. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2016).

NPPES Registry Identity

NPI1992102990
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameKHAI NGUYENCredential: MD
Location Address3102 E HIGHLAND AVEPatton, CA 92369-7813
Mailing Address3870 La Sierra Ave # 1144Riverside, CA 92505-3528 · (951) 840-5836
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2016
Enumeration DateNovember 19, 2014
Last NPPES UpdateApril 27, 20234 updates tracked since enumeration
NPPES CertifiedApril 27, 2023
✔ NPI 1992102990 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 · A151492
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 ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License A151492 (CA)
3102 E HIGHLAND AVE, Patton, CA 92369

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

Khai Nguyen Md 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 ID1355760083
PECOS Enrollment IDI20200930001513
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 Khai Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry
400 N PEPPER AVE
Colton, CA 92324
  • Reassigned Medicare billing, California enrollment
  • 208 clinicians in this Medicare group
Psychiatric Hospital
11401 BLOOMFIELD AVE
Norwalk, CA 90650
  • Reassigned Medicare billing, California enrollment
  • 755 clinicians in this Medicare group
Child & Adolescent Psychiatry
1225 W 190TH ST STE 280
Gardena, CA 90248
  • Reassigned Medicare billing, California enrollment
  • 375 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92369 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.

Social Worker (Clinical)
3102 E HIGHLAND AVE
PATTON, CA 92369
Psychiatry & Neurology (Psychiatry)
3102 E HIGHLAND AVE
PATTON, CA 92369
Psychologist (Clinical)
3102 E HIGHLAND AVE
PATTON, CA 92369
Clinical Neuropsychologist
3102 E HIGHLAND AVE
PATTON, CA 92369
Psychiatric Hospital
3102 E HIGHLAND AVE
PATTON, CA 92369
Psychiatry & Neurology (Psychiatry)
3102 E HIGHLAND AVE
PATTON, CA 92369
Psychologist
3102 E HIGHLAND AVE
PATTON, CA 92369
Psychiatry & Neurology (Psychiatry)
3102 E HIGHLAND AVE, MEDICAL STAFF OFFICE
PATTON, CA 92369

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 Khai Nguyen's NPI number?

The NPI number for Khai Nguyen is 1992102990. It was assigned to this individual provider in the NPPES registry on November 19, 2014.

Where is Khai Nguyen located?

Khai Nguyen practices at 3102 E Highland Ave, Patton, CA 92369. The listed phone number is (951) 840-5836.

What is Khai Nguyen's specialty?

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

Is Khai Nguyen enrolled in Medicare?

Yes. Khai 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 Khai Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Khai Nguyen reassigns Medicare benefits to 3 organizations: Cep America - Psychiatry PC (Colton, CA), Department Of State Hospitals (Norwalk, CA) and Ehab Yacoub MD Inc. (Gardena, 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 Khai 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 Khai Nguyen was last updated on April 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.