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About Dr. Coates

A Community Physician

Dr. Coates has cared for Ridgefield eye health since the opening of Ridgefield Ophthalmology in 2009. She recently celebrated her 10th year as a small business owner in the Ridgefield community. She seeks to serve her patients physical health and provide a professional and calming experience for her patients. 

In addition to caring for her community, she is the mother of four children: Laura, Emma, Julia and Steven. Laura and Emma graduated from Princeton University and Julia is pursuing her undergraduate studies at Washington University of St. Louis. Steven, the youngest, is entering his final stage of the Ridgefield Public School systems, while following in his sisters' footsteps of running for the Cross Country and Track and Field teams at Ridgefield High School. 

Dr. Coates has been married to Dr. Jack Hergenrother for over 25 years. Jack is an engineering executive at IBM.


Christienne F. Coates, M.D.

Education and Experience

A Board-Certified Ophthalmologist

Ridgefield Ophthalmology

2009 - Present

Founder and Attending Physician

Greenwich Ophthalmology Associates

2005 - 2009

Attending Physician 

Lectured and taught medical students as well as ophthalmology residents at Greenwich Hospital

Weill Cornell Medical Center

2004 - 2005

Fellowship in Oculoplastic Surgery

Super Chief, NYU Dept of Ophthalmology

Taught medical students and ophthalmology residents at NYU / MEETH, and Cornell

New York University / MEETH

2001 - 2004

Residency in Ophthalmology & Chief Resident

Mount Auburn Hospital

1995 - 1996

Internship in Internal Medicine

Mount Auburn, a Harvard Community Hospital

UVM College of Medicine

1991 - 1995

Medical School

Princeton University

1985 - 1989

Bachelor of Arts in Biology
Co-Captain of Women's Tennis Team

Ridgefield Ophthalmology

Ridgefield Ophthalmology is conveniently located in picturesque Ridgefield, Connecticut. RO offers an inviting and comfortable atmosphere. Dr. Coates provides eye care of the highest quality to individuals and families. The office features state-of-the art equipment and diagnostic ophthalmic technology. 


Ridgefield Ophthalmology

90 Grove Street, Suite 105
Ridgefield, CT 06877

Danbury Hospital

24 Hospital Ave

Danbury, CT 06810

State-of-the-Art Technology

Ridgefield Ophthalmology has state-of-the-art equipment so that each aspect of your appointment is performed with the ultimate precision and care.  All of patients’ eye care needs are handled in this supportive and technologically advanced environment.


Phone: (203) 894-9700

90 Grove Street, Suite 105, Ridgefield, CT 06877

©2020 by Ridgefield Ophthalmology

DISCLAIMER: Material on the Ridgefield Ophthalmology website is provided for informational purposes only. It is not a substitute for medical care, surgical care or educational consultation with a physician. The Ridgefield Ophthalmology website contains general information which may or may not apply to individual patients’ needs. Ridgefield Ophthalmology encourages all persons to seek professional medical or surgical advice for any specific questions and concerns.

Medical services include (but not limited to) comprehensive eye exams and routine check-ups, glasses and contact lens prescriptions, family eye care, diabetic eye care, macular degeneration screenings, glaucoma management and dry eye management.Eye plastic surgery includes (but not limited to) upper and lower blepharoplasty (lid lifts), ectropion/entropion (lid malposition) surgery, surgery for excessive tearing, ptosis repair, eyelid lesion removal, eyelid cancer removal and lid reconstructions.Cosmetic eye care includes Botox® for fine lines around the eyes, brows and forehead, as well as facial rejuvenation with Juvederm®. Serving Ridgefield, Wilton, Redding, Weston, Danbury, Bethel, Newtown, New Fairfield, Stamford, New Canaan, Greenwich, North Salem, South Salem, Lewisboro, Southeast, Brewster, Fairfield County, Westchester County, and Putnam County.