Doctor Profile

Endocrinology · Endocrinology

Daniel Nadeau

MD · Endocrinology · Tufts University School Of Medicine
26671 ALISO CREEK RD
SUITE 200
Aliso Viejo, CA 92656
✓ Accepts Medicare 💻 Offers Telehealth 🎓 38+ Years Practicing
780
Medicare Patients / yr
9
Procedures Billed
38
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 Daniel Nadeau'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. Nadeau

See which plans Dr. Nadeau 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. Nadeau is to compare every Medicare Advantage and Part D plan available near 92656, CA — the Endocrinology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 92656, CA →

Or call the office at (949) 791-3105 to confirm acceptance directly.

What Dr. Nadeau Does

Dr. Nadeau served 780 Medicare patients across 3,600 services in the latest CMS reporting year. That's similar to the average Endocrinology in California (801 patients across 567 doctors).

ProcedureServicesMedicare Patients
Injection, denosumab, 1 mg (J0897)2,40024
Established patient office or other outpatient visit, 30-39 minutes (99214)712369
Hemoglobin a1c level, by device for home use (83037)151120
New patient office or other outpatient visit, 45-59 minutes (99204)8585
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)8452

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

Hoag Memorial Hospital Presbyterian

Newport Beach, CA
★★★★★ 5/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 26671 ALISO CREEK RD, SUITE 200, Aliso Viejo, CA 92656
Phone: (949) 791-3105

Area Safety Grade

D

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

31 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

13.1305

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

Get directions on Google Maps →

Other Endocrinology Doctors near 92656, CA

If Dr. Nadeau isn't accepting new patients or isn't in your plan's network, these are the closest endocrinology doctors near 92656, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Kimvir S. DhillonEndocrinology4.3K2.4 mi
Joseph E. BarreraEndocrinology1.7K2.5 mi
Lisa DaoEndocrinology1052.5 mi
Neil Q. TranEndocrinology1.7K2.5 mi
Jessica M. ChanEndocrinology9372.5 mi

View all endocrinology doctors near 92656, CA →

How to Use This Information

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

Compare Medicare Plans near 92656, CA → All Doctors near 92656, CA

Daniel Nadeau: Common Questions

Does Dr. Nadeau accept Medicare?
Yes. Dr. Nadeau is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Nadeau depends on that plan's provider network. Compare Medicare plans near 92656, CA →
Where is Dr. Nadeau's office?
Dr. Nadeau practices at 26671 ALISO CREEK RD, SUITE 200, Aliso Viejo, CA 92656. Phone: (949) 791-3105.
What Medicare plans does Dr. Nadeau accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (949) 791-3105 to confirm your specific plan is accepted, or compare all Medicare plans near 92656, CA to see available options.
Does Dr. Nadeau offer telehealth visits?
Dr. Nadeau 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. Nadeau?
Dr. Nadeau graduated in 1988 and has been practicing for approximately 38 years. In the latest CMS reporting year, Dr. Nadeau treated 780 Medicare patients across 9 distinct procedure types.
How do I know if Dr. Nadeau 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 (949) 791-3105 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 Endocrinology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 92656, CA:

Does your Medicare plan cover Dr. Nadeau?

Compare Plans near 92656, CA →