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TRISHA CHAU MD
NPI 1679246193
Psychiatry & Neurology - Psychiatry in Portland, OR

Active since July 29, 2021PECOS EnrolledAccepts Medicare Assignment
3181 SW SAM JACKSON PARK RD # L-579, PORTLAND, OR 97239(503) 494-8652(503) 494-8513 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 19, 2026, Jul 29, 2021 (2 updates tracked since 2021).

About Trisha Chau Md NPPES

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

TRISHA CHAU MD (NPI 1679246193) is an individual psychiatry provider in Portland, Oregon, licensed in Texas (V3839) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Aloha, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1679246193
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameTRISHA CHAUCredential: MD
Location Address3181 SW SAM JACKSON PARK RD # L-579Portland, OR 97239-3098
Mailing Address3181 Sw Sam Jackson Park Rd # L-579Portland, OR 97239-3098 · (503) 494-8652 · Fax (503) 494-8513
Phone(503) 494-8652
Fax(503) 494-8513
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJuly 29, 2021
Last NPPES UpdateAugust 19, 20262 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
✔ NPI 1679246193 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 TX · V3839
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.
3181 SW SAM JACKSON PARK RD # L-579, Portland, OR 97239
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Secondary Practice Location 1

Location 14585 SW 185th AveAloha, OR 97078-1557 · Phone (503) 591-9280

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare, Community First and more.Insurance ›

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

Trisha Chau 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 ID9739612698
PECOS Enrollment IDI20241030002495
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 Trisha Chau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry Of Texas PLLC
1,818 mi
Psychiatry
7877 WILLOW CHASE BLVD
Houston, TX 77070
  • Reassigned Medicare billing, Texas enrollment
  • 480 clinicians in this Medicare group
NPI 1013476027 (832) 869-4818
Psychplus Medical Associates, PLLC
1,818 mi
Family Medicine
7877 WILLOW CHASE BLVD
Houston, TX 77070
  • Reassigned Medicare billing, Texas enrollment
  • 435 clinicians in this Medicare group
NPI 1558118026 (832) 869-4818

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 97239 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
$176.88 typical visit price
range $58.99 – $176.88
Typical copayment $44.22 (range $14.74 – $44.22)
Most-billed visit code 99205
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
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. CLAIRE MCCORD CONRAD MD
Pediatrics
3181 SW SAM JACKSON PARK RD # L-579
PORTLAND, OR 97239
Multnomah County (503) 494-8211
LYNDSEY SANDOW MD
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD # L-579
PORTLAND, OR 97239
Multnomah County (503) 494-8311
MS. ERIKA BENNETT MD
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD # L-579
PORTLAND, OR 97239
Multnomah County (503) 494-8211
DR. WILLIAM ANDREW FRIZZELL M.D.
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD # L-579
PORTLAND, OR 97239
Multnomah County (503) 494-8211
DR. ZOE ANN THUESMUNN MD
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD # L-579
PORTLAND, OR 97239
Multnomah County (503) 494-8652
DR. BOONE ARTHUR RHINEHART DO
Pediatrics
3181 SW SAM JACKSON PARK RD # L-579
PORTLAND, OR 97239
Multnomah County (503) 346-0640
BRET GILBERT
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD # L-579
PORTLAND, OR 97239
Multnomah County (503) 494-8211
DR. PHILIP JAMES BLATT MD
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD # L-579
PORTLAND, OR 97239
Multnomah County (503) 494-8211

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 Trisha Chau's NPI number?

The NPI number for Trisha Chau is 1679246193. It was assigned to this individual provider in the NPPES registry on July 29, 2021.

Where is Trisha Chau located?

Trisha Chau practices at 3181 SW Sam Jackson Park Rd # L-579, Portland, OR 97239. The listed phone number is (503) 494-8652.

What is Trisha Chau's specialty?

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

Is Trisha Chau enrolled in Medicare?

Yes. Trisha Chau 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 Trisha Chau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Trisha Chau reassigns Medicare benefits to 2 organizations: Psychiatry Of Texas PLLC (Houston, TX) and Psychplus Medical Associates, PLLC (Houston, TX). 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 Trisha Chau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Trisha Chau accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare, Community First, Oscar Insurance Company and UnitedHealthcare list Trisha Chau as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Trisha Chau was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.