Every new California business filing, every dayNew Medical Practice Businesses in Orange, CA
7 medical practice businesses recently registered in Orange, California.
Updated September 27, 2026 · Most recent business filing Jun 25, 2026

Every new California filing, every day
See how it worksAbout Medical Practice Businesses in Orange
This page lists new medical practice businesses registered in Orange, California. We currently track 7, sourced directly from the California Division of Corporations and refreshed daily as new medical practice companies file.
Recent additions include Jason Pierce, DO, Amit Chaudhari MD, and William Yong MD. The most recent medical practice business filing was on Jun 25, 2026.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to medical practice businesses in Orange, this is one of the freshest prospect lists in the market.
All Filings
Jason Pierce, DO
Jun 25, 2026Jason Pierce, DO, A Medical Corporation is a medical practice specializing in diagnostic radiology. The filing lists a principal address in Orange, CA, while Dr. Pierce's practice locations include San Diego, CA as shown on provider directories. The business is a professional medical corporation owned by Dr. Jason Pierce.
Amit Chaudhari MD
May 1, 2026Professional medical corporation for Dr. Amit Chaudhari, a neurologist practicing in Orange, CA. The business is a single-physician practice focused on neurology care.
William Yong MD
Jan 13, 2026The LLC 'William Yong MD Inc.' corresponds to Dr. William Yong, a physician associated with UCI Health in Orange, CA. The UCI Health page confirms his affiliation as a specialist in neuropathology.
Lawrence M. Ehrlich
Jan 8, 2026This is the professional corporation of Dr. Lawrence M. Ehrlich, DO, a family medicine physician based in Orange, CA. Dr. Ehrlich is affiliated with Providence Medical Group and other healthcare networks.
Theodora Wong MD
Jan 2, 2026Dr. Theodora Wong is a physical medicine and rehabilitation physician in City of Industry, CA, affiliated with Kaiser Permanente Baldwin Park Medical Center. The LLC 'Theodora Wong MD Inc' is her professional corporation.
JHAID
Nov 2, 2025This is a medical corporation, likely a solo practice, as the NPI profile lists an individual provider in Apple Valley, CA. The entity name suggests it is a professional medical corporation.
Los Angeles TMS Institute
Jun 6, 2025Los Angeles TMS Institute is a medical practice specializing in Transcranial Magnetic Stimulation for depression, offering the SAINT protocol. Located in Los Angeles, CA, it provides mental health treatment.
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