About Us

Our Mission

Charter Oak Health Center promotes healthier communities by providing quality, safe, patient-centered health care services in medically underserved areas, regardless of ability to pay.

Our Vision

To be a nationally recognized health and wellness corridor known for comprehensive patient-centered services, it’s highly qualified and dedicated team of health professionals, state of the art technology and collaborative partnerships.

Our History

Since 1978, Charter Oak Health Center, Inc., a federally qualified, freestanding, Joint Commission-accredited, nonprofit community health center – has continuously provided community-based primary health care to residents in the greater Hartford area. We have grown from a small organization operating out of an apartment building to the 60,000 square foot building our patients now call their medical home.


Joint CommissionCharter Oak Health Center has received the Gold Seal of Approval by the Joint Commission, an independent, not-for-profit organization. The Joint Commission accredits and certifies more than 20,000 health care organizations and programs in the United States. Joint Commission accreditation and certification is recognized nationwide as a symbol of quality that reflects an organizations commitment to meeting certain performance standards.Charter Oak Health Center is proud to be recognized as an FTCA Deemed Facility.

Board of Directors

Adrian Wood, Ph.D., Chairperson
Joel Cruz, Vice Chairperson
Joan Cruz, Secretary
Martin John, Treasurer
Betty Hardy
Eileen Alvarado
Leslie Arroyo
Brenda Bradley
Rev. Jayson Hughes
Lourdes Rivera
Carlos Valinho

Meet The Team

Nichelle A. Mullins, Esq., President/Chief Executive Officer
Rashad A. Collins, Chief Operating Officer
Sunil D’Cunha, MD FACP, Chief Medical Officer
Silvia Goldman, Chief Financial Officer
Ann Patterson, Ph.D., Chief of Quality Assurance
Dana Arnold, Director, Human Resources
Vasile Dinicu, Facilities Director
Timothy Powers, Director, Regulatory Compliance
Sean Mosley, Director, Information Technology
T.J. Clarke II, Public Information Officer
Denine Countryman, Manager, Patient Services
Aida Diaz-LaCliento, PhD LPC , Director of Behavioral Health
Amy Urban, Director, Clinical Services
Luis A. Valentin, Director, Training and Development

Locations & Hours

Charter Oak Health Center - Main Site - 21 Grand Street

Monday – Friday
8:00 a.m. 6:00 p.m.
9:00 a.m. 2:30 p.m.

Urgent Care
Monday – Friday

Sunday 8:30am-2:30pm

Pharmacy Hours:
Monday – Friday
8:30 a.m.—5:00 p.m.

9:00 a.m. 2:30 p.m.

Charter Oak Health Center - Satellite site - 401 New Britain Avenue

Monday – Thursday
9:30 a.m.- 6:00 p.m.
Friday 8:30 a.m. – 5:00 p.m.

A.I. Prince - Regional Vocational Technical School - 401 Flatbush Avenue

Monday – Friday
8:00 a.m. – 4:00 p.m.

House of Bread - 27 Chestnut Street

8:00 a.m.-2:00 p.m.
8:30 a.m.-2:00 p.m.

ImmaCare Inc. - 560 Park Street



5:00 p.m. – 8:00 p.m.
4:15 p.m. – 7:15 p.m.

Open Hearth - 437 Sheldon Street

3:00 p.m.- 6:00 p.m.
8:00 a.m. – 12:00 p.m.

Mercy Housing and Shelter - 118 Main Street


Charter Oak Health Center – Parkville – 1755 Park Street

Monday – Friday
8:30 a.m. – 5:00 p.m.

South Park Inn - 75 Main Street

3:00 p.m. – 5:00 p.m.

YWCA - 135 Broad Street

1st Tuesday of the Month
3:00 p.m. – 5:00 p.m.