Every new California business filing, every dayKevin C O'Brien, MD
Kevin C O'Brien, Registered Agent
Kevin C O'Brien, MD, Inc. is a medical professional corporation. Dr. O'Brien serves as the medical director for Pediatric Sedation Services at MemorialCare Miller Children's & Women's Hospital Long Beach in Long Beach, CA. The practice specializes in providing comprehensive care for pediatric patients requiring sedation.
Filed June 29, 2026 · Mission Viejo, CA · Orange County
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California Secretary of State (bizfile Online) · Entity B20260300624 · Retrieved June 30, 2026
About Kevin C O'Brien, MD
Kevin C O'Brien, MD, Inc. filed in California on June 29, 2026, as an active corporation based in Mission Viejo. Kevin C O'Brien is the owner and registered agent. Its domain was registered on January 15, 1997, nearly 30 years before the filing, through GoDaddy, and the site runs on Drupal 10. The website identity was confirmed. We estimate annual revenue between $100K and $1M and 1 to 5 employees. No annual report or EIN on file yet.
- Domain registered 10,757 days before the California filing date.
- Filed personally by the owner/officer as registered agent.
- Website built with Drupal 10 and identity confirmed.
- We estimate revenue of $100K-$1M and 1-5 employees.
- 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 20 new businesses registered in Mission Viejo in June 2026, and the only healthcare 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 Kevin C O'Brien, MD registered?
Kevin C O'Brien, MD was registered as Corp on June 29, 2026 in California.
Where is Kevin C O'Brien, MD located?
Kevin C O'Brien, MD is based in Mission Viejo, CA, 92691, in Orange County.
What type of business is Kevin C O'Brien, MD?
Kevin C O'Brien, MD is classified as a healthcare business (pediatric sedation services).
Does Kevin C O'Brien, MD have an EIN on file?
No EIN was found on file for Kevin C O'Brien, MD at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
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