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Updates

The Extended Hours Center in Lake Success, will be closed on Friday, October 31. Regular Extended Hours operations will resume the following day.

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Office and Urgent Care Closures

The Croton-on-Hudson lab is temporarily closed until further notice.

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Home ❯ Services and specialties ❯ Optum lab services hours

Nassau County

Bethpage
  • Monday: 7:30 a.m.-4 p.m.
  • Tuesday: 7:30 a.m.-4 p.m.
  • Wednesday: 7:30 a.m.-4 p.m.
  • Thursday: 7:30 a.m.-4 p.m.
  • Friday: 7:30 a.m.-4 p.m.
  • Saturday: 7:30 a.m.-12 p.m.
  • Sunday: Closed
Lake Success, 1 Dakota Drive
  • Monday: 7:30 a.m.–6 p.m.
  • Tuesday: 7:30 a.m.–6 p.m.
  • Wednesday: 7:30 a.m.–6 p.m.
  • Thursday: 7:30 a.m.–6 p.m.
  • Friday: 7:30 a.m.–6 p.m.
  • Saturday: Closed
  • Sunday: Closed
Lake Success, 2 Ohio Drive
  • Monday: 8 a.m.–4 p.m.
  • Tuesday: 8 a.m.–4 p.m.
  • Wednesday: 8 a.m.–4 p.m.
  • Thursday: 8 a.m.–4 p.m.
  • Friday: 8 a.m.–4 p.m.
  • Saturday: Closed
  • Sunday: Closed
Syosset
  • Monday: 7:30 a.m.-3:30 p.m.
  • Tuesday: 7:30 a.m.-3:30 p.m.
  • Wednesday: 7:30 a.m.-3:30 p.m.
  • Thursday: 7:30 a.m.-3:30 p.m.
  • Friday: 7:30 a.m.-3:30 p.m.
  • Saturday: Closed
  • Sunday: Closed

Putnam County Offices

Carmel (Brewster) – NY-312
  • Monday: 8 a.m.–5:30 p.m.
  • Tuesday: 8 a.m.–5:30 p.m.
  • Wednesday: 8 a.m.–5:30 p.m.
  • Thursday: 8 a.m.–5:30 p.m.
  • Friday: 8 a.m.–5:30 p.m.
  • Saturday: 8 a.m.–12:30 p.m.
  • Sunday: Closed

EKG Available

Carmel – Stoneleigh Ave
  • Monday: 8 a.m.–4:30 p.m.
  • Tuesday: 8 a.m.–4:30 p.m.
  • Wednesday: 8 a.m.–4:30 p.m.
  • Thursday: 8 a.m.–4:30 p.m.
  • Friday: 8 a.m.–4:30 p.m.
  • Saturday: Closed
  • Sunday: Closed

EKG Available

Dutchess County Offices

Fishkill – Merritt Blvd 
  • Monday: 8 a.m.–4:30 p.m.
  • Tuesday: 8 a.m.–4:30 p.m.
  • Wednesday: 8 a.m.–4:30 p.m.
  • Thursday: 8 a.m.–4:30 p.m.
  • Friday: 8 a.m.–4:30 p.m.
  • Saturday: Closed
  • Sunday: Closed

EKG Available

Fishkill – Westage Business Center Dr
  • Monday: 7 a.m.–4:30 p.m.
  • Tuesday: 7 a.m.–4:30 p.m.
  • Wednesday: 7 a.m.–4:30 p.m.
  • Thursday: 7 a.m.–4:30 p.m.
  • Friday: 7 a.m.–4:30 p.m.
  • Saturday: 8-11:30 a.m.
  • Sunday: Closed

EKG Available

Hopewell Junction
  • Monday: 8 a.m.–4:30 p.m.
  • Tuesday: 8 a.m.–4:30 p.m.
  • Wednesday: 8 a.m.–4:30 p.m.
  • Thursday: 8 a.m.–4:30 p.m.
  • Friday: 8 a.m.–4:30 p.m.
  • Saturday: Closed
  • Sunday: Closed

EKG Available

Poughkeepsie – Columbia St
  • Monday: 7 a.m.–4:30 p.m.
  • Tuesday: 7 a.m.–4:30 p.m.
  • Wednesday: 7 a.m.–4:30 p.m.
  • Thursday: 7 a.m.–4:30 p.m.
  • Friday: 7 a.m.–4:30 p.m.
  • Saturday: 8 a.m.-11:45 a.m.
  • Sunday: Closed
Poughkeepsie – 2507 South Road (Oakwood Commons)
  • Monday: 8 a.m.–4:30 p.m.
  • Tuesday: 8 a.m.–4:30 p.m.
  • Wednesday: 8 a.m.–4:30 p.m.
  • Thursday: 8 a.m.–4:30 p.m.
  • Friday: 8 a.m.–4:30 p.m.
  • Saturday: Closed
  • Sunday: Closed

EKG Available

Poughkeepsie – 2515 South Rd (OB/GYN)
  • Monday: 8 a.m.–4:30 p.m.
  • Tuesday: 8 a.m.–4:30 p.m.
  • Wednesday: 8 a.m.–4:30 p.m.
  • Thursday: 8 a.m.–4:30 p.m.
  • Friday: 8 a.m.–4:30 p.m.
  • Saturday: Closed
  • Sunday: Closed
Rhinebeck
  • Monday: 8 a.m.–4:30 p.m.
  • Tuesday: 8 a.m.–4:30 p.m.
  • Wednesday: 8 a.m.–4:30 p.m.
  • Thursday: 8 a.m.–4:30 p.m.
  • Friday: 8 a.m.–4:30 p.m.
  • Saturday: Closed
  • Sunday: Closed

Suffolk County

Port Jefferson
  • Monday: 7 a.m.-3 p.m.
  • Tuesday: 7 a.m.-3 p.m.
  • Wednesday: 7 a.m.-3 p.m.
  • Thursday: 7 a.m.-3 p.m.
  • Friday: 7 a.m.-3 p.m.
  • Saturday: Closed
  • Sunday: Closed

Ulster County Offices

Kingston
  • Monday: 8 a.m.–4:30 p.m.
  • Tuesday: 8 a.m.–4:30 p.m.
  • Wednesday: 8 a.m.–4:30 p.m.
  • Thursday: 8 a.m.–4:30 p.m.
  • Friday: 8 a.m.–4:30 p.m.
  • Saturday: Closed
  • Sunday: Closed
New Paltz
  • Monday: 8 a.m.–4:45 p.m. (closed for lunch 12:30-1:30 p.m.)
  • Tuesday: 8 a.m.–4:45 p.m. (closed for lunch 12:30-1:30 p.m.)
  • Wednesday: 8 a.m.–4:45 p.m. (closed for lunch 12:30-1:30 p.m.)
  • Thursday: 8 a.m.–4:45 p.m. (closed for lunch 12:30-1:30 p.m.)
  • Friday: 8 a.m.–4:45 p.m. (closed for lunch 12:30-1:30 p.m.)
  • Saturday: Closed
  • Sunday: Closed

Westchester County Offices

Briarcliff Manor
  • Monday: 8:30 a.m.–5 p.m.
  • Tuesday: 8:30 a.m.–5 p.m.
  • Wednesday: 8:30 a.m.–5 p.m.
  • Thursday: 8:30 a.m.–5 p.m.
  • Friday: 8:30 a.m.–5 p.m.
  • Saturday: Closed
  • Sunday: Closed
Croton-on-Hudson

(Temporarily closed until further notice)

  • Monday: 8 a.m.–4:45 p.m. (closed for lunch 12-1 p.m.)
  • Tuesday: 8 a.m.–4:45 p.m. (closed for lunch 12-1 p.m.)
  • Wednesday: 8 a.m.–4:45 p.m. (closed for lunch 12-1 p.m.)
  • Thursday: 8 a.m.–4:45 p.m. (closed for lunch 12-1 p.m.)
  • Friday: 8 a.m.–4:45 p.m. (closed for lunch 12-1 p.m.)
  • Saturday: Closed
  • Sunday: Closed
Jefferson Valley
  • Monday: 8 a.m.–4:30 p.m.
  • Tuesday: 8 a.m.–4:30 p.m.
  • Wednesday: 8 a.m.–4:30 p.m.
  • Thursday: 8 a.m.–4:30 p.m.
  • Friday: 8 a.m.–4:30 p.m.
  • Saturday: 9 a.m.–12 p.m.
  • Sunday: Closed

EKG Available

Katonah
  • Monday: 8:30 a.m.–5 p.m.
  • Tuesday: 8:30 a.m.–5 p.m.
  • Wednesday: 8:30 a.m.–5 p.m.
  • Thursday: 8:30 a.m.–5 p.m.
  • Friday: 8:30 a.m.–5 p.m.
  • Saturday: 9 a.m.–12:30 p.m.
  • Sunday: Closed
Mount Kisco
  • Monday: 7:30 a.m.–6 p.m.
  • Tuesday: 7:30 a.m.–6 p.m.
  • Wednesday: 7:30 a.m.–6 p.m.
  • Thursday: 7:30 a.m.–6 p.m.
  • Friday: 7:30 a.m.–6 p.m.
  • Saturday: 8 a.m.–12:30 p.m.
  • Sunday: Closed

EKG Available

Somers
  • Monday: 8 a.m.–4:30 p.m.
  • Tuesday: 8 a.m.–4:30 p.m.
  • Wednesday: 8 a.m.–4:30 p.m.
  • Thursday: 8 a.m.–4:30 p.m.
  • Friday: 8 a.m.–4:30 p.m.
  • Saturday: Closed
  • Sunday: Closed
Yorktown Heights
  • Monday: 8:30 a.m.–5:30 p.m.
  • Tuesday: 8:30 a.m.–5:30 p.m.
  • Wednesday: 8:30 a.m.–5:30 p.m.
  • Thursday: 8:30 a.m.–5:30 p.m.
  • Friday: 8:30 a.m.–5:30 p.m.
  • Saturday: Closed
  • Sunday: Closed