DR. DAVID W WU (MD) – Rheumatology Physician, NPI 1023015484
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
759 RHEUMATOLOGY in CA
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Provider Addresses for DR. DAVID W WU (MD)
La Casa Via, Walnut Creek, Contra Costa County, California, 95498, United States
STE 204
WALNUT CREEK, CA 945983007
Phone: (925) 210-1050
Fax: (925) 210-1082
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 394 Open Payments records for all available years, with a total value of $8,162.
Total Amount is formed as General ($8,162) + Research ($0) + Ownership ($0) = $8,162.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Amgen Inc. ($1,620).
Total Amount
$8,162
General + Research + Ownership
Payments
394
Total payment records
General Amount
$8,162
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 |
|---|---|
| Amgen Inc. | $1,620 |
| Janssen Biotech, Inc. | $845 |
| UCB, Inc. | $772 |
| ABBVIE INC. | $760 |
| Fresenius Kabi USA, LLC | $238 |
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: 2010-08-18
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 |
|---|---|---|---|---|
| I20100818000420 | I | Rheumatology | 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 | 886 | 290 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 160 | 93 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 99 | 11 | $0 |
| 96365 | Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 69 | 14 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 56 | 56 | $0 |
Insurance plans in this area (ZIP 94598)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| R H E U M A T O L O G Y | CA | |
| R H E U M A T O L O G Y | IL | |
| - | CA | |
| R H E U M A T O L O G Y | CA | |
| R H E U M A T O L O G Y | IL | |
| R H E U M A T O L O G Y | CA | |
| - | CA |
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