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Sharon Brennan, AGPCNP-BC

Concierge adult geriatric primary care nurse practitioner, Palos Heights, IL

CGnature Medical

Sharon Brennan is a board certified adult geriatric primary care nurse practitioner at CGnature Medical.

12211 S Harlem Ave, Palos Heights, IL 60463
At a glance
Practice model
Hybrid: insurance friendly, with a membership option
Board certification
Adult Geriatric Primary Care Nurse Practitioner
Credential
AGPCNP-BC

Facts on this page last checked October 2026. How we check doctors

About Sharon Brennan

Sharon Brennan is a primary care nurse practitioner at CGnature Medical. She holds the AGPCNP-BC credential and is a board certified nurse practitioner in adult geriatric primary care. Early in her career she supervised 40 nurses as the Head Nurse of a medical floor at Advocate Christ Hospital.

She has worked in ventilator units, and alongside physicians in a gastrointestinal lab. Later she built a long career treating patients with heart failure, and she took part in significant clinical research trials on heart failure. Her RN training was at South Chicago Community Hospital.

She earned a BSN from Saint Xavier University in Chicago and an MSN from the University of Saint Francis in Joliet. She went back to finish her undergraduate and master's degrees while she kept practicing. She has also served as an adjunct professor at the University of Illinois and trained nurse practitioner students.

Membership and fees

CGnature Medical is insurance friendly and also offers a concierge medicine membership with personalized care, priority access and ongoing wellness support.

Education and credentials

Degree
BSN, MSN
Nursing school
Saint Xavier University (BSN), University of Saint Francis (MSN), South Chicago Community Hospital (RN training)
Board certification
Adult Geriatric Primary Care Nurse Practitioner
Other certification
AGPCNP-BC
License
Illinois Verify on Nursys
NPI
1982003109

Hospital and practice affiliations

Primary care nurse practitioner, CGnature Medical

Location

12211 S Harlem Ave, Palos Heights, IL 60463
CGnature Medical practice page
Directions

Recognition and research

Teaching and research roles

Trained nurse practitioner students as an adjunct professor at the University of Illinois
Took part in clinical research trials involving heart failure patients

Patient reviews

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Questions patients ask

Does Sharon Brennan take insurance, or offer a membership?

CGnature Medical is insurance friendly. The clinic also offers a concierge medicine membership.

Is Sharon Brennan board certified?

She is a board certified nurse practitioner in adult geriatric primary care. She holds the AGPCNP-BC credential.

Where did Sharon Brennan train?

Her RN training was at South Chicago Community Hospital. She earned a BSN from Saint Xavier University in Chicago and an MSN from the University of Saint Francis in Joliet.

Is Sharon Brennan a doctor, and where is she licensed?

Sharon Brennan is a nurse practitioner, not a physician.

Where is Sharon Brennan's office?

Her practice is CGnature Medical, where she is a primary care nurse practitioner.

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