Doctor Profile

Gastroenterology · Gastroenterology

Derek M. Dobalian

MD · Gastroenterology · Loma Linda University School Of Medicine
3816 WOODRUFF AVE
SUITE 307
Long Beach, CA 90808
✓ Accepts Medicare 💻 Offers Telehealth 🎓 45+ Years Practicing
34
Medicare Patients / yr
2
Procedures Billed
45
Years Practicing
1
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 Derek M. Dobalian'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. Dobalian

See which plans Dr. Dobalian 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. Dobalian is to compare every Medicare Advantage and Part D plan available near 90808, CA — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 90808, CA →

Or call the office at (562) 420-7670 to confirm acceptance directly.

What Dr. Dobalian Does

Dr. Dobalian served 34 Medicare patients across 64 services in the latest CMS reporting year. That's 95% below the average Gastroenterology in California (743 patients across 1,205 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 30-39 minutes (99214)4919
New patient office or other outpatient visit, 45-59 minutes (99204)1515

How to read this: "Services" are the total times Dr. Dobalian 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. Dobalian is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Coast Plaza Hospital

Norwalk, CA
★☆☆☆☆ 1/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 3816 WOODRUFF AVE, SUITE 307, Long Beach, CA 90808
Phone: (562) 420-7670

Area Safety Grade

D+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

35 min

Average commute time in this zip · 78% 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

91.9387

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

Get directions on Google Maps →

Other Gastroenterology Doctors near 90808, CA

If Dr. Dobalian isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 90808, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Seper DezfoliGastroenterology230<1 mi
Stephanie GonzalezGastroenterology131.7 mi
Thai-Van X. NguyenGastroenterology9662.9 mi
Joe M. ChenGastroenterology1.5K2.9 mi
Timnit F. TekesteGastroenterology6332.9 mi

View all gastroenterology doctors near 90808, CA →

How to Use This Information

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

Compare Medicare Plans near 90808, CA → All Doctors near 90808, CA

Derek M. Dobalian: Common Questions

Does Dr. Dobalian accept Medicare?
Yes. Dr. Dobalian is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Dobalian depends on that plan's provider network. Compare Medicare plans near 90808, CA →
Where is Dr. Dobalian's office?
Dr. Dobalian practices at 3816 WOODRUFF AVE, SUITE 307, Long Beach, CA 90808. Phone: (562) 420-7670.
What Medicare plans does Dr. Dobalian accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (562) 420-7670 to confirm your specific plan is accepted, or compare all Medicare plans near 90808, CA to see available options.
Does Dr. Dobalian offer telehealth visits?
Dr. Dobalian is registered with Medicare as offering telehealth services. Most Medicare Advantage plans cover telehealth visits at the same or similar cost as in-person visits. Check broadband availability in your area to ensure reliable connectivity for video visits.
How experienced is Dr. Dobalian?
Dr. Dobalian graduated in 1981 and has been practicing for approximately 45 years. In the latest CMS reporting year, Dr. Dobalian treated 34 Medicare patients across 2 distinct procedure types.
How do I know if Dr. Dobalian 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) 420-7670 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 90808, CA:

Does your Medicare plan cover Dr. Dobalian?

Compare Plans near 90808, CA →