To schedule an appointment
see our eight convenient locations for an office nearest you.


Due to the community health emergency related to COVID-19, our offices will be closed through May. We hope to reopen our office the week of June 1st.

Telemedicine appointments are available with our physicians online and may be scheduled by calling our office at 847-382-2050

As always, contact the answering service for emergencies by calling 847-382-2050.

Sorry for the inconvenience.

The staff at Associated Allergists and Asthma Specialists.

Allergists in Barrington

New patients are welcome at the Barrington allergy clinic.


  • Monday 10 a.m. to 6 p.m.
  • Tuesdays 10 a.m. – 6 p.m.
  • Wednesday 10 a.m. to 6 p.m.
  • Thursday 9:30 a.m. to 5:30 p.m.


  • Monday 10 a.m. - 5:15 p.m.
  • Tuesdays 10 a.m. – 5:15 p.m.
  • Wednesday 10 a.m. – 5:15 p.m.
  • Thursday 9:30 a.m. – 4:45 p.m.

**The office is closed for lunch on Wednesday from 1 p.m. to 2 p.m. Last Allergy Injection will be given 45 minutes before closing.**


  • Alan H. Resnick, M.D.
  • Mark Lowenthal, M.D.
  • James R. Hunter, M.D.


27790 W. Hwy. 22 Ste. 28 Barrington, IL 60010


The office is west of Good Shepherd Hospital, in Professional Building One.