Every new California business filing, every dayElyssa Feinberg, MD Trauma and Acute Care Surgery
Elyssa Jennifer Feinberg, Registered Agent
Dr. Elyssa Feinberg is a general surgeon specializing in trauma and acute care surgery, as stated in the LLC name. The Healthgrades profile confirms she practices in Castro Valley, CA, and is affiliated with Eden Medical Center. The filing address in San Mateo likely serves as a billing or administrative office.
Filed July 15, 2026 · San Mateo, CA · San Mateo County
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California Secretary of State (bizfile Online) · Entity B20260323808 · Retrieved July 17, 2026
About Elyssa Feinberg, MD Trauma and Acute Care Surgery
Elyssa Feinberg, MD Trauma and Acute Care Surgery filed in California on July 15, 2026, as a corporation with a principal address in San Mateo. The owner, Elyssa Jennifer Feinberg, filed personally as the registered agent. The domain was registered 9,977 days before filing, through GoDaddy Corporate Domains. The website identity was confirmed. We estimate annual revenue between $100K and $1M and 1 to 5 employees, with a brick-and-mortar footprint. No annual report or EIN on file yet.
- Domain registered 9,977 days before the California filing date.
- Owner Elyssa Jennifer Feinberg filed personally as the registered agent.
- Registrar is GoDaddy Corporate Domains.
- Website identity confirmed to match the filing name and address.
- We estimate revenue of $100K-$1M and 1-5 employees.
- Brick-and-mortar footprint indicated.
- No annual report or EIN on file yet.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 46 new businesses registered in San Mateo in July 2026, and the only medical practice business registered there that month.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Frequently Asked Questions
When was Elyssa Feinberg, MD Trauma and Acute Care Surgery registered?
Elyssa Feinberg, MD Trauma and Acute Care Surgery was registered as Corp on July 15, 2026 in California.
Where is Elyssa Feinberg, MD Trauma and Acute Care Surgery located?
Elyssa Feinberg, MD Trauma and Acute Care Surgery is based in San Mateo, CA, 94404-1729, in San Mateo County.
What type of business is Elyssa Feinberg, MD Trauma and Acute Care Surgery?
Elyssa Feinberg, MD Trauma and Acute Care Surgery is classified as a medical practice business (trauma and acute care surgery).
Does Elyssa Feinberg, MD Trauma and Acute Care Surgery have an EIN on file?
No EIN was found on file for Elyssa Feinberg, MD Trauma and Acute Care Surgery at the time of registration.
Who Sells to This Business
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