DR. YEN-TSUN LAI M.D.
NPI 1790727535
Internal Medicine - Geriatric Medicine in Renton, WA

Q: What is Yen-tsun Lai's NPI number?

The NPI number for Yen-tsun Lai is 1790727535. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Q: What is Yen-tsun Lai's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Q: When was this NPI record last updated?

The NPPES record for Yen-tsun Lai was last updated on November 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 12, 2006PECOS EnrolledAccepts Medicare Assignment

4033 TALBOT RD S STE 570, RENTON, WA 98055(425) 690-3489(425) 690-9089 Get Directions Write a Review

NPPES record last updated: November 26, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Yen-tsun Lai M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. YEN-TSUN LAI M.D. (NPI 1790727535) is an individual geriatric medicine provider in Renton, Washington, licensed in Washington (MD00042518) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of Vanderbilt University School Of Medicine (2000).

NPPES Registry Identity

NPI1790727535

Entity TypeIndividualMale

Primary Taxonomy207RG0300X

Provider Legal NameDR. YEN-TSUN LAICredential: M.D.

Location Address4033 TALBOT RD S STE 570Renton, WA 98055

Mailing Address3600 Lind Ave Sw, Suite 100 CredentialingRenton, WA 98057-4970 · (425) 228-3440

Phone(425) 690-3489

Fax(425) 690-9089

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 2000

Enumeration DateJune 12, 2006

Last NPPES UpdateNovember 26, 2018

✔ NPI 1790727535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RG0300X

License✔ Licensed in WA · MD00042518

Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

Also ListedEmergency MedicineTaxonomy 207P00000X · License MD00042518 (WA)

Also ListedInternal MedicineTaxonomy 207R00000X · License MD00042518 (WA)

4033 TALBOT RD S STE 570, Renton, WA 98055

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Other Identifiers 4

Medicaid8365520WA

OtherG8978329WA · Medicare

Medicaid1030627WA

OtherP00627784WA · Medicare Railroad

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Yen-tsun Lai M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284712753

PECOS Enrollment IDI20080423000745

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Yen-tsun Lai reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Valley Medical Group-Renton

0.1 mi

General Acute Care Hospital

400 S 43RD ST
Renton, WA 98055

Reassigned Medicare billing, Washington enrollment
689 clinicians in this Medicare group

NPI 1619209574 (425) 228-3440

John H. Addison MD Ps

9.2 mi

Geriatric Medicine

9725 SE 36TH ST., SUITE 214
Mercer Island, WA 98040

Reassigned Medicare billing, Washington enrollment
21 clinicians in this Medicare group

NPI 1497706774 (206) 275-3588

Overlake Medical Clinics, LLC

12 mi

Specialist

1135 116TH AVE NE, SUITE 110
Bellevue, WA 98004

Reassigned Medicare billing, Washington enrollment
566 clinicians in this Medicare group

NPI 1801828421 (425) 688-5670

The Polyclinic

13 mi

Ambulatory Surgical

1229 MADISON ST, SUITE 1660
Seattle, WA 98104

Reassigned Medicare billing, Washington enrollment
911 clinicians in this Medicare group

NPI 1073944039 (206) 860-5582

Public Hospital District No 2

15 mi

Family Medicine

22850 NE 8TH ST, STE 103
Sammamish, WA 98074

Reassigned Medicare billing, Washington enrollment
Medicare enrollment name: King County Public Hospital District No 2
1,074 clinicians in this Medicare group

NPI 1417058694 (425) 898-0305

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

583 services316 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

269 services209 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

167 services167 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

155 services155 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

88 services82 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

70 services65 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Overlake Hospital Medical Center

Acute Care Hospitals · Bellevue, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number500051

Location1035-116th Ave NEBellevue, WA 98004 · King County

Emergency services Birthing friendly

Evergreenhealth Monroe

Acute Care Hospitals · Monroe, WA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500084

Location14701 179th Ave SEMonroe, WA 98272 · Snohomish County

Emergency services

Evergreenhealth Medical Center

Acute Care Hospitals · Kirkland, WA

5/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500124

Location12040 NE 128th StreetKirkland, WA 98034 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98055 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$189.37 typical visit price

range $63.67 – $189.37

Typical copayment $47.34 (range $15.91 – $47.34)

Most-billed visit code 99205

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS MICHELLE LYNN RODGERS P.A.-C

Physician Assistant (Medical)