PEI S LIU (MD) – Neurology Physician, NPI 1003234550
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,479 NEUROLOGY in CA
Provider Addresses for PEI S LIU (MD)
4234 RIVERWALK PKWY STE 280
RIVERSIDE, CA 925053370
Phone: (951) 785-7190
Fax: (951) 688-7246
Type: Mailing
4234 Riverwalk Pkwy Ste 280
Riverside, CA 925053370
Phone: (951) 785-7190
Fax: (951) 688-7246
Type: Location
1839 W REDLANDS BLVD
REDLANDS, CA 92373
Phone: (951) 785-7190
Fax: (951) 688-7246
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 64 Open Payments records for all available years, with a total value of $1,307.
Total Amount is formed as General ($1,307) + Research ($0) + Ownership ($0) = $1,307.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: ABBVIE INC. ($579).
Total Amount
$1,307
General + Research + Ownership
Payments
64
Total payment records
General Amount
$1,307
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $579 |
| Alexion Pharmaceuticals, Inc. | $311 |
| UCB, Inc. | $282 |
| MDD US Operations, LLC | $44 |
| Medtronic, Inc. | $41 |
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: 2019-07-24
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 |
|---|---|---|---|---|
| I20190724003343 | I | Neurology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 130 | 70 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 62 | 62 | $0 |
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | 58 | 26 | $0 |
| 95912 | Nerve conduction, 11-12 studies | 27 | 25 | $0 |
Insurance plans in this area (ZIP 92505)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CA | |
| N E U R O L O G Y | CA | |
| Physician Assistant | CA | |
| N E U R O L O G Y | CA | |
| N E U R O L O G Y | CA | |
| N E U R O L O G Y | CA |
Reviews
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