Doctor profile · Federal record

Dr. Patrick Chau, M.D.

Child & Adolescent Psychiatry Physician (CMS: Psychiatry) · Sioux City, IA

  • NPI 1992766299
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3549 Southern Hills Dr
Sioux City, IA 511064736
(712) 274-6729
fax (712) 274-6744
Additional location
1004 Fir St
Longview, WA 986322527
(360) 423-6110
fax (360) 423-8078
Additional location
100 Indian Hills Dr
Macy, NE 680393023
(402) 837-5381
fax (402) 837-5303
Mailing address
1004 Fir St
Longview, WA 986322527

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
September 12, 2024
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
2084P0804X — NUCC code
State license (1)
Washington #MD00030085
Medicaid
WA #1084862

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992766299. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
264
Distinct HCPCS
4
Medicare allowed
$30,039
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 196 73 $114
99213 Established patient office or other outpatient visit, 20-29 minutes 35 20 $75
90792 Psychiatric diagnostic evaluation with medical services 20 20 $185
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 13 12 $100

In context: peer comparison

Among 2 peers in this city , average services per provider: 56. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,455
Transactions
119
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, Inc. 11 $360.23
Teva Pharmaceuticals USA, Inc. 12 $322.90
Otsuka America Pharmaceutical, Inc. 20 $293.17
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 19 $280.48
Vanda Pharmaceuticals Inc. 6 $255.10
Lundbeck LLC 13 $227.25
E.R. Squibb & Sons, L.L.C. 3 $145.41
ABBVIE INC. 7 $109.16
Axsome Therapeutics, Inc. 5 $86.80
Corium, LLC 8 $75.26
Janssen Pharmaceuticals, Inc 4 $67.03
Neurocrine Biosciences, Inc. 4 $65.15
Noven Therapeutics, LLC 3 $47.55
ACADIA Pharmaceuticals Inc 2 $43.78
Alkermes, Inc. 2 $32.74

By nature of payment

Food and Beverage
$2,292
Education
$163

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,118
Patients
289
Total drug cost
$235,551
Drug Type Claims Patients Total cost
Fluoxetine Hcl Generic 247 42 $1,790
Quetiapine Fumarate Generic 220 38 $4,121
Rexulti (Brexpiprazole) Brand 205 18 $186,416
Trazodone Hcl Generic 203 25 $1,666
Olanzapine Generic 155 21 $5,463
Duloxetine Hcl Generic 147 20 $4,271
Mirtazapine Generic 137 16 $2,820
Sertraline Hcl Generic 126 23 $1,156
Lorazepam Generic 124 21 $1,609
Clonazepam Generic 109 14 $880

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Chau's medical specialty?
Dr. Patrick Chau practices Child & Adolescent Psychiatry Physician in Sioux City, IA.
Where does Dr. Patrick Chau practice?
Dr. Patrick Chau practices at 3549 Southern Hills Dr, Sioux City, IA 511064736. Office phone: 7122746729.
What is Dr. Patrick Chau's NPI?
Dr. Patrick Chau's National Provider Identifier (NPI) is 1992766299, issued by NPPES.
Does Dr. Patrick Chau accept Medicare assignment?
Yes. Dr. Patrick Chau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Chau commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.