Medicare Advantage Provider Directory

The network providers listed in the directory below have agreed to provide you with your health care services. All providers in this provider directory accept both Medicare and Medicaid.

  • For dental services – Search the online directory – Select Choose a location and plan, enter your address, city, or zip code, and under Plan name select NY Nascentia Medicare listed under NY. For assistance please call 1-844-824-2024 (TTY: 1-800-466-7566).
  • For vision services – Search the online directory. For assistance please call Member Services at 1-888-477-0090 (TTY: 711) or Superior Vision at 1-800-879-6901.
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O’Donnell, Marc, MD

Listed in ,
University of Rochester
University Orthopaedic Associates of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Hand Surgery
(585) 275-5321

601 Elmwood Avenue
Rochester, NY 14642

O’Donnell, Marc, MD

Listed in ,
University of Rochester
University Orthopaedic Associates of Rochester
County:
Ontario
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Hand Surgery
(585) 275-5321

699 South Main Street
Suite 3
Canandaigua, NY 14424

O’Donnell, Marc, MD

Listed in ,
University of Rochester
University Orthopaedic Associates of Rochester
County:
Ontario
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Hand Surgery
(585) 275-5321

7670 Omnitech Place
Victor, NY 14564

O’Donnell, Patricia A, DO

Listed in ,
R.& B. Medical Group, LLP
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 635-0688

100 College Parkway
Suite 260
Williamsville, NY 14221

O’Donnell, Rachel, PA

Listed in ,
University of Rochester
Radiologists of University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 784-2985

1000 South Avenue
Rochester, NY 14620

O’Dwyer, Kristen Marie, MD

Listed in , ,
University of Rochester
Hematology Clinical Group of University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 275-5863

601 Elmwood Avenue
Rochester, NY 14642

O’Dwyer, Kristen Marie, MD

Listed in , ,
University of Rochester
County:
Monroe
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(585) 275-2100

601 Elmwood Avenue
Rochester, NY 14642

O’Garro, Eleazar, DO

Listed in ,
Canton-Potsdam Hospital
CPH Potsdam Ob/Gyn
County:
St. Lawrence
Accepting New Patients:
Yes
Language(s):
English, Italian, Spanish
Gender:
Female
(315) 265-2153

190 Outer Main Street
Potsdam, NY 13676

O’Garro, Eleazar, DO

Listed in ,
Canton-Potsdam Hospital
CPH Potsdam Ob/Gyn
County:
St. Lawrence
Accepting New Patients:
Yes
Language(s):
English, Italian, Spanish
Gender:
Female
(315) 265-2153

49 Lawrence Avenue
Potsdam, NY 13676

O’Hanlon, Eugene Patrick, PT, DPT

Listed in ,
Albany Medical Center
Albany Med Ambulatory Endoscopy and Surgery Center
County:
Schenectady
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 264-4768

1769 Union Street
3rd Floor
Schenectady, NY 12309

O’Hanlon, Eugene Patrick, PT, DPT

Listed in ,
Albany Medical Center
AMC/SCC - Anesthesiology
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 262-4300

25 Hackett Boulevard
MC 131
Albany, NY 12208

O’Hanlon, Eugene Patrick, PT, DPT

Listed in ,
Albany Medical Center
AMC Anesthesiology Group
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 262-4300

43 New Scotland Avenue
Albany, NY 12208

O’Hanlon, Patrick, PA-C

Listed in ,
Bassett Healthcare Network
Mary Imogene Bassett Hospital
County:
Schoharie
Language(s):
English
Gender:
Male
(518) 295-8521

111 Barton Hill Road
Schoharie, NY 12157

O’Hara, Daniel, PA

Listed in , ,
United Memorial Medical Center
County:
Genesee
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
127 North Street
Batavia, NY 14020

O’Hare, Janet Thompson, LCSW

Listed in ,
CHE Behavioral Health - CHE Senior Psychological Services PC
CHE Senior Psychological Services PC
County:
Kings (Brooklyn)
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(888) 515-3834

300 Cadman Plaza West
Floor 12
Brooklyn, NY 11201

O’Hearn, Amanda, PhD

Listed in ,
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 273-5050

300 Crittenden Boulevard
Rochester, NY 14642

O’Hearn, Amanda, PhD

Listed in ,
University of Rochester
Department of Psychiatric Clinical Group University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 273-5050

300 Crittenden Boulevard
Rochester, NY 14642

O’Hern, Matthew S, MD

Listed in ,
St. Joseph's Medical PC
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 448-5111

301 Prospect Avenue
Syracuse, NY 13203

O’Hern, Matthew S, MD

Listed in ,
St. Joseph's Medical PC
County:
Onondaga
Language(s):
English
Gender:
Male
(315) 634-6694

5100 West Taft Road
Suite 2Y
Liverpool, NY 13088

O’Kay, Macee, AuD

Listed in ,
East Coast Audiology and Physical Therapy
County:
Jefferson
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 755-1600

26000 US Route 11
Evans Mills, NY 13637

O’Kay, Macee, AuD

Listed in ,
East Coast Audiology and Physical Therapy
County:
Jefferson
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 786-3225

53-59 Public Square
Suite 202
Watertown, NY 13601

O’Kay, Macee, AuD

Listed in ,
East Coast Audiology and Physical Therapy
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 637-8800

544 Towne Drive
Fayetteville, NY 13066

O’Keefe, Kevin, MD

Listed in ,
Nicholas H. Noyes Memorial Hospital
Genesee Regional Orthopedics and Sports Medicine
County:
Livingston
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 335-9360

111 Clara Barton Street
Dansville, NY 14437

O’Keefe, Kevin Daniel, MD

Listed in ,
University of Rochester
University Orthopaedic Associates of Rochester
County:
Livingston
Accepting New Patients:
Yes
Language(s):
English, Spanish
Gender:
Male
(585) 275-5321

111 Clara Barton Street
Dansville, NY 14437

O’Keefe, Kevin Daniel, MD

Listed in ,
University of Rochester
University Orthopaedic Associates of Rochester
County:
Livingston
Accepting New Patients:
Yes
Language(s):
English, Spanish
Gender:
Male
(585) 275-5321

48 East South Street
Suite #120
Geneseo, NY 14454
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Online directory last updated on October 10, 2025

Download the Provider Directory (pdf), updated October 10, 2025

Page last updated on October 16, 2025