Doctor Profile

Gastroenterology · Gastroenterology

Barton H. Ueki

MD · Gastroenterology · University Of California, San Francisco School Of Medicine
5750 DOWNEY AVE
SUITE 202
Lakewood, CA 90712
✓ Accepts Medicare 🎓 60+ Years Practicing
116
Medicare Patients / yr
2
Procedures Billed
60
Years Practicing
0
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 Barton H. Ueki'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. Ueki

See which plans Dr. Ueki 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. Ueki is to compare every Medicare Advantage and Part D plan available near 90712, CA — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 90712, CA →

Or call the office at (562) 634-4939 to confirm acceptance directly.

What Dr. Ueki Does

Dr. Ueki served 116 Medicare patients across 140 services in the latest CMS reporting year. That's 84% below the average Gastroenterology in California (743 patients across 1,205 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 20-29 minutes (99213)9268
New patient office or other outpatient visit, 45-59 minutes (99204)4848

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

CMS does not list any hospital affiliations for Dr. Ueki. This is common for office-based practitioners who don't admit patients to hospitals.

Practice Location & Telehealth Readiness

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

Address: 5750 DOWNEY AVE, SUITE 202, Lakewood, CA 90712
Phone: (562) 634-4939

Area Safety Grade

C

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

36 min

Average commute time in this zip · 83% 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

94.9936

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

Get directions on Google Maps →

Other Gastroenterology Doctors near 90712, CA

If Dr. Ueki isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 90712, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Jose L. PantojaGastroenterology457<1 mi
Conrad A. CoxGastroenterology436<1 mi
Mehrdad SaliminejadGastroenterology1.3K<1 mi
Lia GedamuGastroenterology<1 mi
Moustafa AlamyGastroenterology3.4K2.2 mi
Derek M. DobalianGastroenterology342.5 mi

View all gastroenterology doctors near 90712, CA →

How to Use This Information

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

Compare Medicare Plans near 90712, CA → All Doctors near 90712, CA

Barton H. Ueki: Common Questions

Does Dr. Ueki accept Medicare?
Yes. Dr. Ueki is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Ueki depends on that plan's provider network. Compare Medicare plans near 90712, CA →
Where is Dr. Ueki's office?
Dr. Ueki practices at 5750 DOWNEY AVE, SUITE 202, Lakewood, CA 90712. Phone: (562) 634-4939.
What Medicare plans does Dr. Ueki accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (562) 634-4939 to confirm your specific plan is accepted, or compare all Medicare plans near 90712, CA to see available options.
Does Dr. Ueki offer telehealth visits?
CMS does not currently list Dr. Ueki as offering telehealth. Call the office at (562) 634-4939 to confirm whether virtual visits are available.
How experienced is Dr. Ueki?
Dr. Ueki graduated in 1966 and has been practicing for approximately 60 years. In the latest CMS reporting year, Dr. Ueki treated 116 Medicare patients across 2 distinct procedure types.
How do I know if Dr. Ueki 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 (562) 634-4939 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:

Medicare Plans for Conditions Treated by Gastroenterology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 90712, CA:

Does your Medicare plan cover Dr. Ueki?

Compare Plans near 90712, CA →