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Vascular surgeons who accept Medicare in Walnut Creek, CA
CMS lists 14 clinicians in this specialty with a practice address in Walnut Creek. Accept Medicare assignment (the Medicare-approved amount as full payment): 12. Offer telehealth: 7.
Typical amounts Medicare approves in ZIP 94598 (2024 Medicare rates, the latest CMS has published): a new-patient visit $105, of which you pay about $26; a follow-up visit $85, of which you pay about $21 — 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.
Jon Christopher P. Orlino, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.9/100✓ TelehealthGraduated 2017 · Georgetown University School of MedicineMaleDrug and device company payments (2025): $747Gonzalo Obnial, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.3/100✓ TelehealthGraduated 2000MaleOther offices in Walnut Creek: 2Drug and device company payments (2025): $585Lawrence J. Goldstein, MD
✓ Accepts Medicare assignmentMIPS score (2024): 96.4/100✓ TelehealthGraduated 1986 · Wayne State University School of MedicineMaleOther offices in Walnut Creek: 2Drug and device company payments (2025): $2,661Brian J. Keyashian, MD
✓ Accepts Medicare assignmentMIPS score (2024): 95.1/100Graduated 2010MaleOther offices in Walnut Creek: 2Drug and device company payments (2025): $833Rajiv Nagesetty, MD
✓ Accepts Medicare assignmentMIPS score (2024): 91/100Graduated 1997 · University of Chicago, Pritzker School of MedicineMaleOther offices in Walnut Creek: 2Drug and device company payments (2025): $745Alexander H. Nguyen, MD
✓ Accepts Medicare assignmentMIPS score (2024): 91/100Graduated 2010 · Drexel University College of MedicineMaleDrug and device company payments (2025): $2,290Jennifer A. Avise, MD
✓ Accepts Medicare assignmentGraduated 2009 · Emory University School of MedicineFemaleOther offices in Walnut Creek: 2Drug and device company payments (2025): $4,568Charles W. Bouch, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1996 · Tulane University School of MedicineMaleDrug and device company payments (2025): $252Matthew P. Campbell, MD
✓ Accepts Medicare assignmentGraduated 1987MaleDrug and device company payments (2025): $162Sung S. Cho, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1997 · Tufts University School of MedicineMaleDrug and device company payments (2025): $57Jesus Jimenez, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1995MaleDrug and device company payments (2025): $20Janneth P. Momiy, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2006 · University of California, Geffen School of MedicineFemaleOmar A. Araim, MD
May accept assignmentGraduated 1998 · Emory University School of MedicineMaleDrug and device company payments (2025): $140Abdulrahman Hamdi, MD
May accept assignmentGraduated 2010 · Howard University College of MedicineMaleDrug and device company payments (2025): $105
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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- Gastroenterologists32
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- Optometrists20
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- Pulmonologists22
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- Endocrinologists7
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- Allergists15
- Dietitians5
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Other care in Walnut Creek
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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).