Zahora Nicola Ally, 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.

• Contra Costa Regional Medical Center Hospital · Martinez, CA
• John Muir Medical Center - Concord Campus Hospital · Concord, CA · listed as John Muir Medical Ctr Concord Campus
• Sutter Delta Medical Center Hospital · Antioch, CA
• John Muir Medical Center - Walnut Creek Campus Hospital · Walnut Creek, CA

Colleagues at Epic Care

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 54 clinicians in the practice; 12 are shown here.

• Janet Marie Hall, NP Nurse Practitioner · Palo Alto, CA
• Dr. Steven M Kaplan, MD Family Medicine Physician · Clayton, CA
• Carmen Lam, DO Student in an Organized Health Care Education/Training Program · Columbus, OH
• Dr. Ernest Lo, MD Internal Medicine Physician · Cameron Park, CA
• Dr. Jatinder Pal Singh Marwaha, MD Internal Medicine Physician · San Ramon, CA
• Qaiser Niaz, MD Internal Medicine Physician · Hayward, CA
• Gabriella Perko Esteban, CNM Midwife · Walnut Creek, CA
• Gopal Sachdeva, MD Radiation Oncology Physician · Emeryville, CA
• Margaret (Meg) Seaver, MD Student in an Organized Health Care Education/Training Program · Antioch, CA
• Uma G Swamy, MD Radiation Oncology Physician · Fresno, CA
• Wilson Tong, MD Hematology & Oncology Physician · Antioch, CA
• Min Yan, MD Internal Medicine Physician · Oakland, CA

Other providers in Antioch

• Joseph Charles Beck, MD

  Individual Radiation Oncology Physician · NPI 1740206085

  4721 Dallas Ranch Rd, Antioch, CA 94531-8811 · (925) 778-0679

• Dr. Mariam Philip Korah, MD

  Individual Radiation Oncology Physician · NPI 1083891543

  4721 Dallas Ranch Rd, Antioch, CA 94531-8811 · (925) 778-0679