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’Connor, Lisa M, PA

Listed in ,
Adirondack Medical Center
County:
Franklin
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 897-2876

6 North Main Street
St Regis Falls, NY 12980

O’Connor, Lisa M, PA

Listed in ,
Adirondack Medical Center
County:
Essex
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 576-9771

2841 State Route 73
Keene, NY 12942

O’Connor, Lisa M, PA

Listed in ,
Adirondack Medical Center
County:
Franklin
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 359-7000

7 Stetson Road
Tupper Lake, NY 12986

O’Connor, Lisa M, PA

Listed in ,
Adirondack Medical Center
County:
Franklin
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 897-2850

285 County Route 47
Saranac Lake, NY 12983

O’Connor, Rhonda, LMSW

Listed in ,
Oswego Hospital
County:
Oswego
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 349-5873

510 South 4th Street
Suite 140
Fulton, NY 13069

O’Connor, Samantha Nicole, PA-C

Listed in ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(585) 341-6779

1000 South Avenue
Rochester, NY 14620

O’Connor, Terence P, MD

Listed in ,
O'Connor Medical Group
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Pediatrics
(716) 712-0490

3075 Southwestern Boulevard
Suite 100
Orchard Park, NY 14127

O’Connor Ethier, Jomarie, OT

Listed in ,
St. Peter's Health Partners - Samaritan Hospital
St. Peter's Therapy Services
County:
Rensselaer
Accepting New Patients:
Yes
Language(s):
English
(518) 268-5749

147 Hoosick Street
Massry Center
Troy, NY 12180

O’Connor Ethier, Jomarie, OT

Listed in ,
St. Peter's Health Partners - Samaritan Hospital
East Greenbush Physical Rehabilitation
County:
Rensselaer
Accepting New Patients:
Yes
Language(s):
English
(518) 286-4990

2 Empire Drive
Suite 202
Rensselaer, NY 12144

O’Connor Ethier, Jomarie, OT

Listed in ,
St. Peter's Health Partners - Samaritan Hospital
Clifton Park Physical Rehabilitation
County:
Saratoga
Accepting New Patients:
Yes
Language(s):
English
(518) 268-4800

648 Plank Road
Suite 101
Clifton Park, NY 12065

O’Donnell, Christy, FNP-BC

Listed in ,
Bassett Healthcare Network
Mary Imogene Bassett Hospital
County:
Delaware
Language(s):
English
Gender:
Female
(607) 652-2000

32-34 Main Street
Stamford, NY 12167

O’Donnell, Elaine, DPM

Listed in ,
LaPorta and Associates, PC
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(607) 766-9097

120 Plaza Drive
Suite F
Vestal, NY 13850

O’Donnell, Joseph A, NP

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’Donnell, Katherine A, MD

Listed in ,
Windsong Health Medical Alliance
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 626-6300

55 Spindrift Drive
Suite 210,110 & 220
Williamsville, NY 14221

O’Donnell, Lynn A, NP

Listed in ,
St. Joseph's Medical PC
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 471-1044

1000 East Genesee Street
Suite 300
Syracuse, NY 13210

O’Donnell, Lynn A, NP

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

301 Prospect Avenue
Syracuse, NY 13203

O’Donnell, Lynn A, NP

Listed in ,
St. Joseph's Medical PC
County:
Oswego
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 342-2733

33 East Schuyler Street
1st Floor
Oswego, NY 13126

O’Donnell, Lynn A, NP

Listed in ,
St. Joseph's Medical PC
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 634-6699

4939 Brittonfield Parkway
Suite 202
East Syracuse, NY 13057

O’Donnell, Lynn A, NP

Listed in ,
St. Joseph's Medical PC
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 253-2333

5301 West Genesee Street
Camillus, NY 13031

O’Donnell, Lynn A, NP

Listed in ,
St. Joseph's Medical PC
County:
Cayuga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 253-2333

77 Nelson Street
Suite 210
Auburn, NY 13021

O’Donnell, Marc, MD

Listed in ,
St. James Hospital
Strong Memorial Hospital
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 ,
St. James Hospital
UR Medicine Specialty Care at St James - Orthopedic Services
County:
Steuben
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Hand Surgery
(607) 385-3740

7309 Seneca Road North
Suite 107
Hornell, NY 14843

O’Donnell, Marc, MD

Listed in ,
St. James Hospital
UR Medicine Orthopedics and Rehabilitation
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, 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) 275-6616

395 West Street
Suite 007
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) 275-6616

10 Miracle Mile Drive
Rochester, NY 14623
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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