James Nguyen, 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.

• Cedar-Sinai Marina Del Rey Hospital Hospital · Marina Del Rey, CA · listed as Cedars-Sinai Marina Hospital
• Cedars-Sinai Medical Center Hospital · Los Angeles, CA
• Henry Mayo Newhall Hospital Hospital · Valencia, CA · listed as Henry Mayo Newhall Memorial Hospital

Colleagues at Cedars-Sinai Medical Care Foundation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1696 clinicians in the practice; 12 are shown here.

• Casey Kathleen Beuerlein, FNP Family Nurse Practitioner · Beverly Hills, CA
• Michele Chan Dee, MD Anesthesiology Physician · West Hollywood, CA
• Dr. Erika Michelle Hubbard, MD Anesthesiology Physician · Marina del Rey, CA
• Noelle Kendall Physician Assistant · Los Angeles, CA
• Dr. Paul Jacob Kokorowski, MD Pediatric Urology Physician · Los Angeles, CA
• Steven David Lin, MD Orthopaedic Surgery Physician · Arcadia, CA
• Vivian Lin, MD Internal Medicine Physician · Beverly Hills, CA
• Jeremy Lorber, MD Internal Medicine Physician · Beverly Hills, CA
• Uzair Ahmed Mahmood, MD Critical Care Medicine (Internal Medicine) Physician · Los Angeles, CA
• Dr. Alyssa Mae Quimby, MD Obstetrics & Gynecology Physician · Los Angeles, CA
• Dr. Tina Wang, MD Hematology & Oncology Physician · Pasadena, CA
• Nicolas Andre Zavala, MD Anesthesiology Physician · West Hollywood, CA

Other providers in West Hollywood

• Richard Newhart, MD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1881198000

  Student / training record West Hollywood, CA

• Joshua Ilok Ng, MD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1114503034

  Student / training record West Hollywood, CA

• Dr. Van Ngo, MD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1033960018

  Student / training record West Hollywood, CA

• Jacqueline Phuong Nguyen, MD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1255270005

  Student / training record West Hollywood, CA

• Niki Noe, MD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1356192413

  Student / training record West Hollywood, CA

• Madhuri Nori, MD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1922850601

  Student / training record West Hollywood, CA

• Seyedmohsen Nourbakhsh, MD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1992292684

  Student / training record West Hollywood, CA

• Sanaz Nourmohammadi Abadchi, MD

  Individual Student in an Organized Health Care Education/Training Program · NPI 1083466130

  Student / training record West Hollywood, CA