DR. YEN-TSUN LAI (M.D.) – Geriatric Medicine (Internal Medicine) Physician, NPI 1790727535
Geriatric Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
107 GERIATRIC MEDICINE in WA
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Provider Addresses for DR. YEN-TSUN LAI (M.D.)
Home Depot Kitchen & Bathroom Refacing, 3600, Lind Avenue Southwest, Renton, King County, Washington, 98055, United States
SUITE 100 CREDENTIALING
RENTON, WA 980574970
Phone: (425) 228-3440
Type: Mailing
Talbot Road South, Renton, King County, Washington, 98057, United States
RENTON, WA 98055
Phone: (425) 690-3489
Fax: (425) 690-9089
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $125.
Total Amount is formed as General ($125) + Research ($0) + Ownership ($0) = $125.
Last reported payment date: 2023-07-26 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($125).
Total Amount
$125
General + Research + Ownership
Payments
1
Total payment records
General Amount
$125
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-07-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $125 |
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: 2008-04-23
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 |
|---|---|---|---|---|
| I20080423000745 | I | Geriatric Medicine | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 270 | 194 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 153 | 151 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 90 | 90 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 70 | 65 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 65 | 62 | $0 |
Insurance plans in this area (ZIP 98057)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MA | |
| Internal Medicine | VA | |
| Family Practice | GA | |
| Orthopedic Surgery | IL | |
| - | NC | |
| - | TX | |
| Internal Medicine | MA | |
| Family Practice | OR | |
| Nurse Practitioner | WA | |
| Internal Medicine | MA |
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