Dr. John D. Vu, MD

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

• John Muir Medical Center - Concord Campus Hospital · Concord, CA · listed as John Muir Medical Ctr Concord Campus
• San Ramon Regional Medical Center Hospital · San Ramon, CA
• John Muir Medical Center - Walnut Creek Campus Hospital · Walnut Creek, CA

Colleagues at John Muir Physician Network

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 486 clinicians in the practice; 12 are shown here.

• Shannon Chakedis Adult Health Nurse Practitioner · Walnut Creek, CA
• Mr. John A Crockett, MD Obstetrics & Gynecology Physician · Walnut Creek, CA
• Dr. Justin Hao Goh, MD Cardiovascular Disease Physician · San Ramon, CA
• Dr. Gretchen Kunitz, MD Internal Medicine Physician · Walnut Creek, CA
• Wayland Lim, MD Interventional Cardiology Physician · Concord, CA
• June S Peng, MD Surgical Oncology Physician · Walnut Creek, CA
• Lisa Quinones, MD Family Medicine Physician · Concord, CA
• Dr. Adriana Arreola Sablan, DO Family Medicine Physician · Brentwood, CA
• Frank Shic, MD Internal Medicine Physician · Vallejo, CA
• Dr. Perkin Michael Shiu, MD Cardiovascular Disease Physician · Walnut Creek, CA
• Priya Swamy, DO Internal Medicine Physician · Danville, CA
• Dr. Amber L Yee, MD Family Medicine Physician · Antioch, CA

Other providers in Walnut Creek

• Timothy a Carlton MD a Professional Corp

  Organization Cardiovascular Disease Physician · NPI 1285808238

  365 Lennon Ln Ste 210, Walnut Creek, CA 94598-5910 · (925) 944-1100

• Dr. Hennessey Tseng, MD

  Individual Cardiovascular Disease Physician · NPI 1003811746

  1450 Treat Blvd Ste 220B, Walnut Creek, CA 94597-2168 · (925) 937-1770

• University Healthcare Alliance

  Organization Cardiovascular Disease Physician · NPI 1942706569

  106 La Casa Via Ste 140, Walnut Creek, CA 94598-3084 · (925) 274-2860

• August Gene Voelkel, MD

  Individual Cardiovascular Disease Physician · NPI 1578565792

  1399 Ygnacio Valley Rd Ste 11, Walnut Creek, CA 94598-2879 · (925) 937-1770