Doctor Profile

Pulmonology · Pulmonary Disease

I Kawei Day

MD · Pulmonary Disease
525 N GARFIELD AVE
GARFIELD MED CTR
Monterey Park, CA 91754
✓ Accepts Medicare 🎓 55+ Years Practicing
636
Medicare Patients / yr
4
Procedures Billed
55
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 I Kawei Day'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. Day

See which plans Dr. Day 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. Day is to compare every Medicare Advantage and Part D plan available near 91754, CA — the Pulmonary Disease's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 91754, CA →

Or call the office at (626) 573-2222 to confirm acceptance directly.

What Dr. Day Does

Dr. Day served 636 Medicare patients across 3,012 services in the latest CMS reporting year. That's 24% below 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)2,403266
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)333266
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)26292
Hospital discharge day management, 30 minutes or less (99238)1412

How to read this: "Services" are the total times Dr. Day 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. Day 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.

San Gabriel Valley Medical Center

San Gabriel, CA
★★★★☆ 4/5 CMS Rating

Garfield Medical Center

Monterey Park, CA
★☆☆☆☆ 1/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 525 N GARFIELD AVE, GARFIELD MED CTR, Monterey Park, CA 91754
Phone: (626) 573-2222

Area Safety Grade

C

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

36 min

Average commute time in this zip · 73% 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

52.5902

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

Get directions on Google Maps →

Other Pulmonology Doctors near 91754, CA

If Dr. Day isn't accepting new patients or isn't in your plan's network, these are the closest pulmonology doctors near 91754, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Than H. KyawPulmonary Disease1.9K1.4 mi
Jeffrey C. ChenPulmonary Disease1.7K1.4 mi
Shan ChuPulmonary Disease1.2K1.4 mi
Alfredo Lee ChangPulmonary Disease1.7K1.4 mi
Joseph H. KueiPulmonary Disease4371.4 mi

View all pulmonology doctors near 91754, CA →

How to Use This Information

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

Compare Medicare Plans near 91754, CA → All Doctors near 91754, CA

I Kawei Day: Common Questions

Does Dr. Day accept Medicare?
Yes. Dr. Day is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Day depends on that plan's provider network. Compare Medicare plans near 91754, CA →
Where is Dr. Day's office?
Dr. Day practices at 525 N GARFIELD AVE, GARFIELD MED CTR, Monterey Park, CA 91754. Phone: (626) 573-2222.
What Medicare plans does Dr. Day accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (626) 573-2222 to confirm your specific plan is accepted, or compare all Medicare plans near 91754, CA to see available options.
Does Dr. Day offer telehealth visits?
CMS does not currently list Dr. Day as offering telehealth. Call the office at (626) 573-2222 to confirm whether virtual visits are available.
How experienced is Dr. Day?
Dr. Day graduated in 1971 and has been practicing for approximately 55 years. In the latest CMS reporting year, Dr. Day treated 636 Medicare patients across 4 distinct procedure types.
How do I know if Dr. Day 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 (626) 573-2222 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. Day?

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