Doctor Profile
David E. Duffy
SUITE 100
Carlsbad, CA 92008
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💳 Check Plan Coverage 📞 Call Office 🗺️ Get Directions 🏛️ Verify on Medicare.govReviewed by: Wes Ward, Founder & Data Lead • View our methodology
Important: We are not affiliated with Medicare, CMS, or David E. Duffy'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 David Duffy
See which plans David Duffy 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 David Duffy is to compare every Medicare Advantage and Part D plan available near 92008, CA — the Clinical Psychologist's office can quickly confirm which of the top local plans they accept.
Compare Medicare Plans near 92008, CA →Or call the office at (888) 515-3834 to confirm acceptance directly.
What David Duffy Does
David Duffy served 365 Medicare patients across 839 services in the latest CMS reporting year. That's 148% above the average Clinical Psychologist in California (147 patients across 1,240 doctors).
| Procedure | Services | Medicare Patients |
|---|---|---|
| Psychotherapy, 45 minutes (90834) | 341 | 94 |
| Psychotherapy, 30 minutes (90832) | 327 | 101 |
| Psychiatric diagnostic evaluation (90791) | 171 | 170 |
How to read this: "Services" are the total times David Duffy 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 David Duffy. This is common for office-based practitioners who don't admit patients to hospitals.
Practice Location & Telehealth Readiness
David Duffy practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when David Duffy offers telehealth — broadband availability at your home matters for virtual visits.
Address: 5838 EDISON PL, SUITE 100, Carlsbad, CA 92008
Phone: (888) 515-3834
Practice Accessibility
Average commute time in this zip · 72% 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
Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.
Other Mental Health Doctors near 92008, CA
If David Duffy isn't accepting new patients or isn't in your plan's network, these are the closest mental health doctors near 92008, CA:
| Doctor | Specialty | Medicare Patients / yr | Distance |
|---|---|---|---|
| Nikki A. Kanemaru Klein | Clinical Psychologist | — | <1 mi |
| Julia K. Armbruster | Clinical Psychologist | 14 | <1 mi |
| Cristina E. Bustos | Clinical Psychologist | — | <1 mi |
| Sarah A. Bohn | Clinical Psychologist | — | <1 mi |
| Suzanne M. Simpson | Clinical Psychologist | 21 | <1 mi |
| Kristin J. Matteson | Clinical Psychologist | — | <1 mi |
How to Use This Information
Choosing a Medicare plan that covers David Duffy takes three steps:
- Verify network status. Medicare Advantage plans each have their own provider networks. The same doctor may be in-network for one plan and out-of-network for another. Compare all Medicare plans near 92008, CA →
- Confirm directly with the office. Call David Duffy's office at (888) 515-3834 to verify they're accepting new patients and which plans they currently accept. Use our printable question list →
- Check enrollment windows. You can only switch Medicare plans during specific periods. Missing a deadline can cost you a year of coverage. Review enrollment dates →
David E. Duffy: Common Questions
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About the Reviewer
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
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How to Choose a Medicare Plan
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Enrollment Checklist
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Questions for Your Doctor
Printable list to discuss Medicare with David Duffy or any physician.
Medicare Glossary
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Our Methodology
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