Doctor profile · Federal record

Dr. Yen-Tsun Lai, M.D.

Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · Emergency Medicine Physician · Internal Medicine Physician · Renton, WA

  • NPI 1790727535
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4033 Talbot RD S Ste 570
Renton, WA 98055
(425) 690-3489
fax (425) 690-9089
Mailing address
3600 Lind Ave Sw, Suite 100 Credentialing
Renton, WA 980574970

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 26, 2018
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Washington #MD00042518
Medicaid (2)
WA #8365520 · WA #1030627

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790727535. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
720
Distinct HCPCS
8
Medicare allowed
$82,691
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 270 194 $105
99215 Established patient office or other outpatient visit, 40-54 minutes 153 151 $153
99205 New patient office or other outpatient visit, 60-74 minutes 90 90 $192
99213 Established patient office or other outpatient visit, 20-29 minutes 70 65 $72
36415 Insertion of needle into vein for collection of blood sample 65 62 $5
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 43 43 $142
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $142
G0444 Annual depression screening, 5 to 15 minutes 14 14 $10

In context: peer comparison

Among 1 peers in this city , average services per provider: 90. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,491
Patients
722
Total drug cost
$21,041
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 203 94 $2,642
Amlodipine Besylate Generic 163 89 $1,218
Levothyroxine Sodium Generic 147 75 $2,314
Losartan Potassium Generic 121 64 $1,878
Gabapentin Generic 103 49 $2,957
Omeprazole Generic 98 39 $1,720
Metoprolol Succinate Generic 95 42 $1,962
Rosuvastatin Calcium Generic 90 46 $1,750
Escitalopram Oxalate Generic 89 41 $1,362
Lisinopril Generic 83 44 $591

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Yen-Tsun Lai's medical specialty?
Dr. Yen-Tsun Lai practices Geriatric Medicine (Internal Medicine) Physician in Renton, WA.
Where does Dr. Yen-Tsun Lai practice?
Dr. Yen-Tsun Lai practices at 4033 Talbot RD S Ste 570, Renton, WA 98055. Office phone: 4256903489.
What is Dr. Yen-Tsun Lai's NPI?
Dr. Yen-Tsun Lai's National Provider Identifier (NPI) is 1790727535, issued by NPPES.
Does Dr. Yen-Tsun Lai accept Medicare assignment?
Yes. Dr. Yen-Tsun Lai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yen-Tsun Lai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.