Doctor Profile

Pulmonology · Pulmonary Disease

Thomas D. Lei

MD · Pulmonary Disease
2490 HOSPITAL DR
SUITE 212
Mountain View, CA 94040
✓ Accepts Medicare 🎓 41+ Years Practicing
1.4K
Medicare Patients / yr
23
Procedures Billed
41
Years Practicing
2
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Thomas D. Lei's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Lei

See which plans Dr. Lei accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for California, the fastest way to find a Medicare plan that covers Dr. Lei is to compare every Medicare Advantage and Part D plan available near 94040, CA — the Pulmonary Disease's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 94040, CA →

Or call the office at (650) 988-7945 to confirm acceptance directly.

What Dr. Lei Does

Dr. Lei served 1,411 Medicare patients across 2,699 services in the latest CMS reporting year. That's 69% above the average Pulmonary Disease in California (837 patients across 822 doctors).

ProcedureServicesMedicare Patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)767109
Established patient office or other outpatient visit, 30-39 minutes (99214)547241
Evaluation of use of breathing device (94664)341159
Ct scan of chest without contrast (71250)133115
Critical care, first 30-74 minutes (99291)12126

How to read this: "Services" are the total times Dr. Lei billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Lei is affiliated with 2 hospitals according to CMS Physician Compare. Below are the 2 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Regional Medical Center Of San Jose

San Jose, CA
★★★☆☆ 3/5 CMS Rating

Good Samaritan Hospital

San Jose, CA
★★☆☆☆ 2/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. Lei practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Lei offers telehealth — broadband availability at your home matters for virtual visits.

Address: 2490 HOSPITAL DR, SUITE 212, Mountain View, CA 94040
Phone: (650) 988-7945

Area Safety Grade

D

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

29 min

Average commute time in this zip · 59% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

73.1627

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Pulmonology Doctors near 94040, CA

If Dr. Lei isn't accepting new patients or isn't in your plan's network, these are the closest pulmonology doctors near 94040, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Apurva M. MarfatiaPulmonary Disease491<1 mi
Alan ChausowPulmonary Disease515<1 mi
William BassettPulmonary Disease334<1 mi
Maly N. OronPulmonary Disease1.4K<1 mi
Ganesh KrishnaPulmonary Disease664<1 mi
Jonathan YangPulmonary Disease505<1 mi

View all pulmonology doctors near 94040, CA →

How to Use This Information

Choosing a Medicare plan that covers Dr. Lei takes three steps:

Compare Medicare Plans near 94040, CA → All Doctors near 94040, CA

Thomas D. Lei: Common Questions

Does Dr. Lei accept Medicare?
Yes. Dr. Lei is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Lei depends on that plan's provider network. Compare Medicare plans near 94040, CA →
Where is Dr. Lei's office?
Dr. Lei practices at 2490 HOSPITAL DR, SUITE 212, Mountain View, CA 94040. Phone: (650) 988-7945.
What Medicare plans does Dr. Lei accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (650) 988-7945 to confirm your specific plan is accepted, or compare all Medicare plans near 94040, CA to see available options.
Does Dr. Lei offer telehealth visits?
CMS does not currently list Dr. Lei as offering telehealth. Call the office at (650) 988-7945 to confirm whether virtual visits are available.
How experienced is Dr. Lei?
Dr. Lei graduated in 1985 and has been practicing for approximately 41 years. In the latest CMS reporting year, Dr. Lei treated 1,411 Medicare patients across 23 distinct procedure types.
How do I know if Dr. Lei is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (650) 988-7945 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Does your Medicare plan cover Dr. Lei?

Compare Plans near 94040, CA →