5 healthcare businesses recently registered in New Haven, Connecticut.
Updated July 28, 2026 · Most recent filing Mar 16, 2026
This page lists new healthcare businesses registered in New Haven, Connecticut. We currently track 5, sourced directly from the Connecticut Division of Corporations and refreshed daily as new healthcare companies file.
Recent additions include Opencare, Gwilliam Psychiatry, and Carla Marin. The most recent healthcare filing was on Mar 16, 2026.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to healthcare businesses in New Haven, this is one of the freshest prospect lists in the market.
Open Care, PLLC is a healthcare practice based in New Haven, Connecticut, as indicated by the filing's principal address at 470 James St, Suite 007. The involvement of medical doctors Marc Mann M.D. and Suzanne Lagarde M.D. as principals further confirms its focus on medical care.
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.
Carla Marin, PhD is a psychologist based in New Haven, Connecticut, with a practice located at 47 Trumbull St, New Haven, CT 06510. The business is listed on multiple healthcare directories including MedicareList, Zocdoc, and WebMD, indicating it is an active, licensed practice. The LLC filing lists Carla Marin as principal and the same city, confirming the business is the operating entity for her psychology services.
Montowese Center for Health & Rehabilitation is a skilled nursing and rehabilitation facility located at 163 Quinnipiac Avenue in North Haven, CT, offering services including skilled nursing, rehab, dementia care, hospice, and telehealth.
John Minner, MD, LLC is a private psychiatry practice in New Haven, Connecticut, offering medication management and psychotherapy. The practice is located at 389 Whitney Avenue and accepts Husky insurance. John Minner is the principal and sole practitioner, currently accepting new patients.
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