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

COVID-19 Information and Updates
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From primary care physicians to our many specialties, Optum is here to help you find the right expert for you. Enter your location to enhance your search experience.

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Accepting new patients
Accepting new patients
Robyn  Kreiner, MD
Robyn Kreiner, MD
Allergy & Immunology
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50 Route 111
Smithtown, NY 11787
69 Froehlich Farm Boulevard
Woodbury, NY 11797
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Accepting new patients
Leonard  Krilov, MD
Leonard Krilov, MD
Pediatric Infectious Diseases
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Leonard Krilov, MD
Pediatric Infectious Diseases
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1 Dakota Drive
Lake Success, NY 11042
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Fast Pass Provider
Accepting new patients
Douglas L. Krohn, MD
Douglas L. Krohn, MD
Pediatrics (Primary Care)
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537 North State Road
Briarcliff Manor, NY 10510
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Fast Pass Provider
Accepting new patients
Jason Daniel Kronberg, DO
Jason Daniel Kronberg, DO
Pediatrics (Primary Care)
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1759 Middle Country Road,
Centereach, NY 11720
1500 Route 112
Port Jefferson, NY 11777
6144 Route 25A
Wading River, NY 11792
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Accepting new patients
Barry I. Krosser, MD, FAAOS
Barry I. Krosser, MD, FAAOS
Orthopedics, Spine Surgery
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1978 Crompond Road
Cortlandt Manor, NY 10567
3680 Hill Boulevard
Jefferson Valley, NY 10535
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Accepting new patients
Christopher  Kruger, MD
Christopher Kruger, MD
Cataract Surgery, Ophthalmology
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Christopher Kruger, MD
Cataract Surgery, Ophthalmology
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Oakwood Commons
Poughkeepsie, NY 12601
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Accepting new patients
600 Westage Business Center Drive
Fishkill, NY 12524
30 Columbia Street
Poughkeepsie, NY 12601
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Fast Pass Provider
Accepting new patients
201 Route 17
Rutherford, NJ 07070
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Fast Pass Provider
Accepting new patients
575 Underhill Boulevard
Syosset, NY 11791
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Accepting new patients
30 Columbia Street
Poughkeepsie, NY 12601
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Accepting new patients
65 Roosevelt Avenue
Valley Stream, NY 11581
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Fast Pass Provider
Accepting new patients
Daniel Moses Laby, MD
Daniel Moses Laby, MD
Pediatric Ophthalmology
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1000 Northern Boulevard
Great Neck, NY 11021
157 E 72nd Street
New York, NY 10021
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Accepting new patients
Tina Marie Lafemina, PA
Tina Marie Lafemina, PA
Pediatrics (Primary Care)
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1759 Middle Country Road,
Centereach, NY 11720
1500 Route 112
Port Jefferson, NY 11777
6144 Route 25A
Wading River, NY 11792
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Tam U. Lam, NP
Tam U. Lam, NP
Emergency Medicine
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Tam U. Lam, NP
Emergency Medicine
Accepting new patients
120 West 23rd Street
New York, NY 10011
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Accepting new patients
Nicole   LaNatra, MD
Nicole LaNatra, MD
Hematology and Oncology
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185 NY-312
Brewster, NY 10509
90 South Bedford Road
Mount Kisco, NY 10549
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Accepting new patients
Jamie  Lanzillotta, DO
Jamie Lanzillotta, DO
Pediatrics (Primary Care)
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205 East Main Street
Huntington, NY 11743
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Fast Pass Provider
Accepting new patients
Andrea  LaRosa, DO
Andrea LaRosa, DO
Family Medicine (Primary Care)
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Andrea LaRosa, DO
Family Medicine (Primary Care)
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575 Underhill Blvd
Syosset, NY 11791
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Accepting new patients
2403 Jericho Turnpike
Garden City Park, NY 11040
2800 Marcus Avenue
Lake Success, NY 11042
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Elizabeth S. Lashua, FNP
Elizabeth S. Lashua, FNP
Internal Medicine (Primary Care)
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Elizabeth S. Lashua, FNP
Internal Medicine (Primary Care)
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111 Bedford Road
Katonah, NY 10536
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Fast Pass Provider
Accepting new patients
3 Delaware Drive
Lake Success, NY 11042
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