Are you Harold Collier?
Join over one million U.S. Physicians, Nurse Practitioners and PAs, already on Doximity.
- Gain access to free telehealth tools, such as our "call shielding" and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
6057 S Western Ave
Chicago, IL 60636Phone+1 773-925-9749Fax+1 773-925-0196