Every new Florida business filing, every dayFirst Coast IDC
John E. Sia, Authorized Member
John Edwin D. Sia, M.D. is an infectious disease physician practicing at First Coast IDC with locations in Orange Park and Jacksonville, FL. He accepts referrals and treats infectious diseases, including international health and travel-related conditions.
Filed September 4, 2025 · Jacksonville, FL · Duval County
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Florida Division of Corporations (Sunbiz) · Entity L25000410227 · Retrieved April 24, 2026
About First Coast IDC
JOHN E. SIA, MD PLLC filed in Florida on September 4, 2025, as an infectious disease physician practice in Jacksonville. The owner, John E. Sia, is the authorized member, and the company was filed through another company acting as registered agent, TATES CORPORATION AGENTS, INC., which also serves as agent for over 10,000 other entities. Its domain was registered 4,860 days before the filing, on May 15, 2012, with GoDaddy, and the website is modern. The site matched the filing name and address, and we estimate it is a brick-and-mortar practice. No annual report or EIN is on file yet.
- Domain registered 4,860 days before the Florida filing date.
- Filed through a corporate registered agent shared with over 10,000 other entities.
- Website confirmed to match the filing name and address.
- We estimate a brick-and-mortar footprint.
- 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 618 new businesses registered in Jacksonville in September 2025, one of 3 medical practice businesses.
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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.
Officers / Authorized Persons
Frequently Asked Questions
When was First Coast IDC registered?
First Coast IDC was registered as FLAL on September 4, 2025 in Florida.
Where is First Coast IDC located?
First Coast IDC is based in Jacksonville, FL, 32216, in Duval County.
What type of business is First Coast IDC?
First Coast IDC is classified as a medical practice business (infectious disease physician).
Is First Coast IDC still active?
According to the Florida Division of Corporations, First Coast IDC's current record status is "active".
Does First Coast IDC have an EIN on file?
No EIN was found on file for First Coast IDC at the time of registration.
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