DR. PATRICK KEE CHAU (M.D.) – Child & Adolescent Psychiatry Physician, NPI 1992766299
Child & Adolescent Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
304 PSYCHIATRY in IA
Provider Addresses for DR. PATRICK KEE CHAU (M.D.)
3549 SOUTHERN HILLS DR
SIOUX CITY, IA 511064736
Phone: (712) 274-6729
Fax: (712) 274-6744
Type: Location
1004 Fir St
Longview, WA 986322527
Phone: (360) 423-6110
Fax: (360) 423-8078
Type: Location
100 Indian Hills Dr
Macy, NE 680393023
Phone: (402) 837-5381
Fax: (402) 837-5303
Type: Location
1004, Fir Street, Longview, Cowlitz County, Washington, 98632, United States
LONGVIEW, WA 986322527
Phone: (360) 423-6110
Fax: (360) 423-8078
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 213 Open Payments records for all available years, with a total value of $4,120.
Total Amount is formed as General ($4,120) + Research ($0) + Ownership ($0) = $4,120.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Otsuka America Pharmaceutical, Inc. ($724).
Total Amount
$4,120
General + Research + Ownership
Payments
213
Total payment records
General Amount
$4,120
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-06-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20200910000199 | I | Psychiatry | IA | TBD |
| I20250613001128 | I | Psychiatry | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 196 | 73 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 35 | 20 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 20 | 20 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 13 | 12 | $0 |
Insurance plans in this area (ZIP 51106)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | IA | |
| P S Y C H I A T R Y | IA | |
| Mental Health Counselor | UT | |
| Physician Assistant | IA | |
| P S Y C H I A T R Y | IA | |
| Nurse Practitioner | SD | |
| Mental Health Counselor | IA |
Reviews
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