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Pain management doctors who accept Medicare in Los Angeles, CA
CMS lists 27 clinicians in this specialty with a practice address in Los Angeles. Accept Medicare assignment (the Medicare-approved amount as full payment): 25. Offer telehealth: 17.
Typical amounts Medicare approves in ZIP 90033 (2024 Medicare rates, the latest CMS has published): a new-patient visit $142, of which you pay about $36; a follow-up visit $110, of which you pay about $27 — the 20% coinsurance after the yearly Part B deductible. Clinicians who don't accept assignment can charge up to 15% more; with a Medicare Advantage plan, your plan's copay applies instead.
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Order: clinicians who accept assignment first, then by MIPS score (highest first), then by last name.
Matthew H. Tan, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.8/100Graduated 2019 · University of Southern California Keck School of MedicineMaleDrug and device company payments (2025): $8,591Jakun W. Ing, MD
✓ Accepts Medicare assignmentMIPS score (2024): 96.5/100✓ TelehealthGraduated 2009 · University of North Carolina at Chapel Hill School of MedicineMaleDrug and device company payments (2025): $775Najmeh P. Sadoughi, MD
✓ Accepts Medicare assignmentMIPS score (2024): 96.5/100✓ TelehealthGraduated 2010 · New York Medical CollegeFemaleDrug and device company payments (2025): $287Irene I. Wu, MD
✓ Accepts Medicare assignmentMIPS score (2024): 96.5/100✓ TelehealthGraduated 2006 · Chicago College of Medicine and SurgeryFemaleDrug and device company payments (2025): $1,650Raul Calderon, MD
✓ Accepts Medicare assignmentMIPS score (2024): 92/100Graduated 2007 · Harvard Medical SchoolMaleDrug and device company payments (2025): $747David M. Hemmati, MD
✓ Accepts Medicare assignmentMIPS score (2024): 89.1/100✓ TelehealthGraduated 2018 · Albert Einstein College of Medicine of Yeshiva UniversityMaleChristopher J. Zarembinski, MD
✓ Accepts Medicare assignmentMIPS score (2024): 89.1/100✓ TelehealthGraduated 1985 · University of Arizona College of MedicineMaleDrug and device company payments (2025): $159Raj D. Desai, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.2/100Graduated 2013MaleDrug and device company payments (2025): $413Gregory Vassilev, MD
✓ Accepts Medicare assignmentMIPS score (2024): 81.4/100✓ TelehealthGraduated 1995 · University of California, Geffen School of MedicineMaleDrug and device company payments (2025): $1,010David K. Wahba, MD
✓ Accepts Medicare assignmentMIPS score (2024): 81.4/100✓ TelehealthGraduated 2008MaleDrug and device company payments (2025): $1,787Vincent J. Valdez, MD
✓ Accepts Medicare assignmentMIPS score (2024): 76.1/100✓ TelehealthGraduated 1984 · University of Colorado School of Medicine, DenverMaleOther offices in Los Angeles: 2Drug and device company payments (2025): $1,207Edward K. Pang, DO
✓ Accepts Medicare assignmentMIPS score (2024): 75/100✓ TelehealthGraduated 2011MaleDrug and device company payments (2025): $325Hasan Badday, MD
✓ Accepts Medicare assignmentGraduated 2007MaleDrug and device company payments (2025): $206Alexander Chen, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2018MaleOther offices in Los Angeles: 6Drug and device company payments (2025): $3,012Philip S. Doh, MD
✓ Accepts Medicare assignmentGraduated 1986MaleDrug and device company payments (2025): $1,856Shahbaz A. Farnad, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2009MaleDrug and device company payments (2025): $79Brian Lai, MD
✓ Accepts Medicare assignmentGraduated 2011MaleDrug and device company payments (2025): $506Paul C. Lee, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2008 · Albert Einstein College of Medicine of Yeshiva UniversityMaleDrug and device company payments (2025): $587Tiffany S. Loftin, MD
✓ Accepts Medicare assignmentGraduated 2016FemaleDrug and device company payments (2025): $24Andrew M. Nguyen, MD
✓ Accepts Medicare assignmentGraduated 2017 · Tufts University School of MedicineMaleDrug and device company payments (2025): $202Ryan H. Nguyen, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2020 · University of California, Irvine, California College of MedicineMaleOther offices in Los Angeles: 2Drug and device company payments (2025): $2,315Christopher C. Ornelas, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2008 · University of New Mexico School of MedicineMaleOther offices in Los Angeles: 6Drug and device company payments (2025): $183Steven H. Richeimer, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1982 · University of California, San Francisco School of MedicineMaleOther offices in Los Angeles: 6Drug and device company payments (2025): $159Anthony Tran, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2018MaleDrug and device company payments (2025): $454Amy Xia, MD
✓ Accepts Medicare assignmentGraduated 2021 · University of Texas Southwestern Medical School at DallasFemaleDrug and device company payments (2025): $19Josif Borovic, MD
May accept assignmentMIPS score (2024): 75/100✓ TelehealthGraduated 1997 · Loma Linda University School of MedicineMaleChing See Lau, MD
May accept assignmentGraduated 2015 · Icahn School of Medicine at Mount SinaiFemaleOther offices in Los Angeles: 1
Before you book
This list comes from Medicare's enrollment records, not from reviews. Call the office to confirm the clinician is taking new Medicare patients. With Original Medicare, a clinician who accepts assignment can only charge you the Medicare deductible and coinsurance; one who doesn't may charge up to 15% more than the Medicare-approved amount. If you have a Medicare Advantage plan, check that the clinician is in the plan's network.
The MIPS final score (0–100) comes from Medicare's Merit-based Incentive Payment System for 2024. It combines quality measures, cost, improvement activities and use of certified health records, and it sets a payment adjustment. Clinicians who report as a group share the group's score. It is not a patient rating, and many clinicians have no published score.
Payments from drug and medical device companies come from CMS Open Payments (2025 general payments: meals, travel, consulting and speaking fees, gifts and similar), summed for each clinician. Receiving payments is legal and common and does not mean a clinician did anything wrong.
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Enrollment, addresses and scores are as reported to CMS and can change. This is not a list of in-network providers for any Medicare Advantage plan, and it is not medical advice. Source: CMS Provider Data Catalog — Doctors and Clinicians National Downloadable File, Clinician MIPS Performance 2024 and Facility Affiliation Data (released Oct 2, 2026).