DR. PAO Y. CHIU (M.D.) – Emergency Medicine Physician, NPI 1285686592
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,791 EMERGENCY MEDICINE in CA
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Provider Addresses for DR. PAO Y. CHIU (M.D.)
17117, Leal Avenue, Cerritos, Los Angeles County, California, 90703, United States
CERRITOS, CA 907031337
Phone: (213) 268-4168
Fax: (213) 268-4168
Type: Mailing
Good Samaritan Hospital, 1225, Wilshire Boulevard, Westlake, Los Angeles, Los Angeles County, California, 90017, United States
LOS ANGELES, CA 900172395
Phone: (213) 977-2423
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $101.
Total Amount is formed as General ($101) + Research ($0) + Ownership ($0) = $101.
Last reported payment date: 2024-10-08 • Largest payer in this snapshot: ABBVIE INC. ($76).
Total Amount
$101
General + Research + Ownership
Payments
5
Total payment records
General Amount
$101
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $76 |
| PFIZER INC. | $25 |
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: 2003-12-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20031223000870 | I | Emergency Medicine | CA | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 462 | 452 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 145 | 143 | $0 |
| 99291 | Critical care, first 30-74 minutes | 47 | 47 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 26 | 26 | $0 |
Insurance plans in this area (ZIP 90703)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CA | |
| Emergency Medicine | CA | |
| Physician Assistant | CA | |
| Emergency Medicine | CA | |
| Nurse Practitioner | CA | |
| Emergency Medicine | CA | |
| Physician Assistant | CA | |
| Nurse Practitioner | CA | |
| Emergency Medicine | CA | |
| Nurse Practitioner | CA |
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