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  5. Gwilliam Psychiatry
HealthcarePsychiatry & PsychotherapyActiveVerified

Gwilliam Psychiatry

Nathan Gwilliam, Principal

Gwilliam Psychiatry PLLC is a psychiatry and psychotherapy practice led by Dr. Nathan Gwilliam, MD, located at 389 Whitney Avenue in New Haven, CT. The website describes an attachment-informed, psychodynamic approach to mental health care.

Filed March 9, 2026 · New Haven, CT

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About Gwilliam Psychiatry

Gwilliam Psychiatry is a healthcare business (LLC) registered on March 9, 2026 with the Connecticut Division of Corporations. The business is located in New Haven, Connecticut 06511. The filing lists Nathan Gwilliam as Principal.

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Filing Details

Entity NameGwilliam Psychiatry PLLC
Entity TypeLLC
Entity Number3394212
Filing DateMarch 9, 2026
Principal AddressLocked
City / State / ZipNew Haven, CT 06511
TimezoneEastern (ET)
EIN on FileNo

Verified Business Profile

SubcategoryPsychiatry & Psychotherapy

Contact Information

WebsiteLocked
PhoneLocked
EmailLocked
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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.

Domain RegisteredLocked
Domain AgeLocked
RegistrarLocked
Website PlatformLocked
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Officers / Authorized Persons

N
Nathan Gwilliam
Principal
Address locked

Document Timeline

Filing timeline will be available soon.

Frequently Asked Questions

When was Gwilliam Psychiatry registered?

Gwilliam Psychiatry was registered as LLC on March 9, 2026 in Connecticut.

Where is Gwilliam Psychiatry located?

Gwilliam Psychiatry is based in New Haven, CT, 06511.

What type of business is Gwilliam Psychiatry?

Gwilliam Psychiatry is classified as a healthcare business (psychiatry & psychotherapy).

Does Gwilliam Psychiatry have an EIN on file?

No EIN was found on file for Gwilliam Psychiatry at the time of registration.

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