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DR. CHAU TON-THAT D.O.
NPI 1205902301
Psychiatry & Neurology - Psychiatry in Westminster, CA

Active since November 28, 2006PECOS EnrolledAccepts Medicare Assignment
9533 BOLSA AVE, WESTMINSTER, CA 92683(714) 531-8720(714) 531-5794 Get Directions Write a Review

NPPES record last updated: April 26, 2018. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Chau Ton-that D.o. NPPES

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

DR. CHAU TON-THAT D.O. (NPI 1205902301) is an individual psychiatry provider in Westminster, California, licensed in California (20A7177) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of College Of Osteo Med Of The Pacific At Pomona (1992).

NPPES Registry Identity

NPI1205902301
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. CHAU TON-THATCredential: D.O.
Location Address9533 BOLSA AVEWestminster, CA 92683-5904
Mailing Address4131 Costero RiscoSan Clemente, CA 92673-6408 · (949) 699-3445 · Fax (949) 218-8173
Phone(714) 531-8720
Fax(714) 531-5794
Sole ProprietorYes
Medical School CMSCollege Of Osteo Med Of The Pacific At PomonaGraduated 1992
Enumeration DateNovember 28, 2006
Last NPPES UpdateApril 26, 2018
✔ NPI 1205902301 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 · 20A7177
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.
9533 BOLSA AVE, Westminster, CA 92683
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Other Identifiers 1

Medicaid00AX71770CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Chau Ton-that D.o. 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 ID3072598085
PECOS Enrollment IDI20040623000658
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.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
701 services96 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92683 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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

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

CHAU TON-THAT,D.O.,INC.
Psychiatry & Neurology (Psychiatry)
9533 BOLSA AVE
WESTMINSTER, CA 92683
Orange County (714) 531-8720

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 Chau Ton-that's NPI number?

The NPI number for Chau Ton-that is 1205902301. It was assigned to this individual provider in the NPPES registry on November 28, 2006.

Where is Chau Ton-that located?

Chau Ton-that practices at 9533 Bolsa Ave, Westminster, CA 92683. The listed phone number is (714) 531-8720.

What is Chau Ton-that's specialty?

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

Is Chau Ton-that enrolled in Medicare?

Yes. Chau Ton-that 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.

When was this NPI record last updated?

The NPPES record for Chau Ton-that was last updated on April 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.