Find a Doctor

Starting with: O

Additional information about Phelps physicians may be obtained by calling Phelps Physician Referral Service: 914-366-3367.


Owen J. O’Neill, M.D.
Owen J. O’Neill, M.D.

Primary Practice
777 North Broadway
Suite 310
Sleepy Hollow, NY 10591
(914) 366-6665

Board Certified: Hyperbaric Medicine (national certification), Wound Care

Specialty: Internal Medicine

Additional Languages: Spanish


Back to Top
Kathryn Oehler, M.D.
Kathryn Oehler, M.D.

Primary Practice
Hudson Valley Pediatrics, P.C.
537 North State Road
Briarcliff Manor, NY 10510
(914) 941-2129

Board Certified: Pediatrics

Specialty: Pediatrics

Additional Languages: Spanish


Back to Top
Stanley Oiseth, M.D.
Stanley Oiseth, M.D.

Primary Practice
Phelps Memorial Hospital – Department of Pathology
701 North Broadway
Sleepy Hollow, NY 10591
(914) 366-3901

Board Certified: Pathology

Specialty: Pathology

Additional Languages: Italian, German


Back to Top
Monica Olteanu, M.D.
Monica Olteanu, M.D.

Primary Practice
800 Westchester Avenue
S614
Rye Brook, NY 10573
(914) 428-5454

Specialty: Anesthesiology

Additional Languages: Romanian


Back to Top
Chinyelu Oraedu, M.D.
Chinyelu Oraedu, M.D.

Primary Practice
Phelps Memorial Hospital Center
701 North Broadway
Sleepy Hollow, NY 10591
(914) 366-3557

Board Certified: in

Specialty: Hospitalist


Back to Top
Henry Orchier, D.M.D.
Henry Orchier, D.M.D.

Primary Practice
245 North Broadway
Suite 105
Sleepy Hollow, NY 10591
(914) 631-5454

Specialty: Dentistry

Additional Languages: Spanish


Back to Top
Text resize A A A