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Important Alerts
Updates

Effective May 28, 2025, Pediatrics in West Orange located at 35 Park Ave will be relocating to  55 Morris Ave in Springfield.

As of May 19, the OBGYN office in Syosset has relocated to Suite 181 in the same building at 575 Underhill Blvd, Syosset, NY.

As of May 5, 2025, Podiatry in West New York has relocated to 201 State Rt 17 in Rutherford.

As of April 28, 2025, Primary Care in Haddon Heights has relocated to 2 South Black Horse Pike in Mt. Ephraim.

As of April 28, 2025, Cardiology in Haddon Heights has relocated to 322 Route 38, Cherry Hill.

As of  April 21, 2025 Pediatrics – Wall at 1560 State Route 138 has relocated to 3350 State Route 138.

Recording/Photography Not Permitted on Premises

Office and Urgent Care Closures

Extended Hours in Lake Success  will be closed on Sunday, May 25, Monday, May 26 and Tuesday, May 27..

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

COVID-19 Information and Updates

Flu and COVID-19 vaccines are now available ›

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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

Huntington
  • 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
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