- Office Info
- Contact
- Providers
Monday: 8 a.m.–5 p.m.
Tuesday: 8 a.m.–5 p.m.
Wednesday: 8 a.m.–5 p.m.
Thursday: 8 a.m.–5 p.m.
Friday: 8 a.m.–5 p.m.
Saturday: Closed
Sunday: Closed
Send us a message using our general contact us form.
The Extended Hours Center in Lake Success will be closed on Sunday, August 17, Sunday, August 31 and Monday, September 1.
As of August 1, 2025, Optum Allergy and Immunology in Long Beach has closed, and the providers have relocated to Optum Allergy and Immunology in Bay Shore.
Recording/Photography Not Permitted on Premises
The Croton-on-Hudson lab is temporarily closed until further notice.
Monday: 8 a.m.–5 p.m.
Tuesday: 8 a.m.–5 p.m.
Wednesday: 8 a.m.–5 p.m.
Thursday: 8 a.m.–5 p.m.
Friday: 8 a.m.–5 p.m.
Saturday: Closed
Sunday: Closed
Send us a message using our general contact us form.