DR. OLIVER SHU-ON TAI (MD) – Nephrology Physician, NPI 1699885731
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,056 INTERNAL MEDICINE in WA
Provider Addresses for DR. OLIVER SHU-ON TAI (MD)
2707 COLBY AVE STE 718
EVERETT, WA 982013528
Phone: (425) 339-5413
Fax: (425) 339-4213
Type: Location
East Ray Road, Courtyards at Cobblestone, Chandler, Maricopa County, Arizona, 85225, United States
CHANDLER, AZ 852258720
Phone: (855) 397-0197
Fax: (800) 272-6512
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $231.
Total Amount is formed as General ($231) + Research ($0) + Ownership ($0) = $231.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Baxter Healthcare ($122).
Total Amount
$231
General + Research + Ownership
Payments
7
Total payment records
General Amount
$231
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
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: 2008-08-18
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 |
|---|---|---|---|---|
| I20080818000455 | I | Nephrology | WA | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 374 | 81 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 238 | 133 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 128 | 20 | $0 |
| 90966 | Home dialysis services per month (20 years or older) | 123 | 17 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 82 | 41 | $0 |
Insurance plans in this area (ZIP 98201)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | WA | 90935 | Hemodialysis procedure with one physician evaluation | 68 | 36 |
| NEPHROLOGY | WA | 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 99 | 33 |
| NEPHROLOGY | WA | 90966 | Home dialysis services per month, patient 20 years of age or older | 206 | 31 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | WA | |
| Nephrology, Internal Medicine | WA | |
| Nurse Practitioner | WA | |
| Internal Medicine | WA | |
| N E P H R O L O G Y | AZ | |
| Nurse Practitioner | MA | |
| N E P H R O L O G Y | WA | |
| Internal Medicine, Nephrology | RI | |
| N E P H R O L O G Y | MN |
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