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’May, James, PA

Listed in ,
Wyoming County Community Health System
County:
Wyoming
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 786-8940

400 North Main Street
Warsaw, NY 14569

O’Meara-Zimmer, Kimberly, ANP-BC

Listed in ,
St. Peter's Health Partners - St. Peter's Health Partners Medical Associates, P.C.
Saratoga Cardiology Associates
County:
Schenectady
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 587-7625

6 Care Lane
Saratoga Springs, NY 12866

O’Neil, Denise, NP

Listed in ,
Kaleida Health
Olean General Hospital dba Foothills Medical Group
County:
Cattaraugus
Language(s):
English
Gender:
Female
(716) 945-0361

4039 Route 219
Suite 101
Salamanca, NY 14779

O’Neill-Huber, Mary Lou, MD

Listed in ,
Rochester Colon-Rectal Surgeons, PC
Irondequoit Office
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
Other Specialties:
Surgery
(585) 222-6566

1255 Portland Avenue
Third Floor
Rochester, NY 14621

O’Neill-Huber, Mary Lou, MD

Listed in ,
Rochester Colon-Rectal Surgeons, PC
Henrietta Office
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
Other Specialties:
Surgery
(585) 222-6566

600 Red Creek Drive
Suite 200
Rochester, NY 14623

O’Neill, Carrie Z, DPM

Listed in ,
Complete Foot Care of the Finger Lakes
County:
Seneca
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 331-5059

1126 Waterloo-Geneva Road
Waterloo, NY 13165

O’Neill, Carrie Z, DPM

Listed in ,
Complete Foot Care of the Finger Lakes
County:
Wayne
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 331-5059

165 West Shore Boulevard
Newark, NY 14513

O’Neill, Elizabeth Ann, MD

Listed in ,
Northeast Medical, PC
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 262-0616

2865 Genesee Street
Cheektowaga, NY 14225

O’Neill, Elizabeth Ann, MD

Listed in ,
Northeast Medical, PC
Shastri Neurology
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 832-6207

3488 Sheridan Drive
Amherst, NY 14226

O’Neill, Helen Mary, FNP

Listed in ,
St. Joseph's Hospital Health Center
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 448-5491

301 Prospect Avenue
Primary Care Center, 6th Floor
Syracuse, NY 13203

O’Neill, Helen Mary, FNP

Listed in ,
St. Joseph's Hospital Health Center
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 703-2600

321 Gifford Street
Syracuse, NY 13204

O’Neill, John, RPA

Listed in ,
Endwell Family Physicians, LLP
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(607) 754-3863

415 Hooper Road
Endwell, NY 13760

O’Neill, Richard M, PHD

Listed in ,
Upstate University Medical Associates - Psychiatry Faculty Practice, Inc.
Psychiatry Faculty Practice, Inc (E.Gen)
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 464-3265

600 East Genesee Street
Suite 217
Syracuse, NY 13202

O’Neill, Richard M, PHD

Listed in ,
Upstate University Medical Associates - Psychiatry Faculty Practice, Inc.
Psychiatry Faculty Practice, Inc (Harr)
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 464-3265

713 Harrison Street
Building TU3
Syracuse, NY 13210

O’Neill, Richard M, PHD

Listed in ,
Upstate University Medical Associates - Psychiatry Faculty Practice, Inc.
Psychiatry Faculty Practice, Inc (TU4)
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 464-3265

719 Harrison Street
Syracuse, NY 13210

O’Neill, Richard M, PHD

Listed in ,
Upstate University Medical Associates - Psychiatry Faculty Practice, Inc.
Psychiatry Faculty Practice, Inc (UH)
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 464-3265

750 East Adams Street
Syracuse, NY 13210

O’Neill, Tina, NP

Listed in ,
Carthage Area Hospital
County:
Jefferson
Language(s):
English
Gender:
Female
117 North Mechanic Street
Carthage, NY 13619

O’Neill, Tracy, PA

Listed in ,
Nephrology Associates of Syracuse, PC
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 478-3311

5700 West Genesee Street
Suite 211
Camillus, NY 13031

O’Neill, Tracy, PA

Listed in ,
Nephrology Associates of Syracuse, PC
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 478-3311

4000 Medical Center Drive
Suite 101D
Fayetteville, NY 13066

O’Neill, Tracy, PA

Listed in ,
Nephrology Associates of Syracuse, PC
County:
Oneida
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 478-3311

4857 New York State Route 5
Vernon, NY 13476

O’Neill, Tracy A, PA

Listed in ,
Nephrology Associates of Syracuse, PC
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 478-3311

1304 Buckley Road
Suite 200
Syracuse, NY 13212

O’Quinn, Adrianne, MD

Listed in , ,
New York Spine and Wellness Center
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 432-4900

5417 West Genesee Street
Suite 1
Camillus, NY 13031

O’Quinn, Adrianne, MD

Listed in , ,
New York Spine and Wellness Center
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 552-6700

5496 East Taft Road
North Syracuse, NY 13212

O’Quinn, Adrianne, MD

Listed in , ,
New York Spine and Wellness Center
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 703-3480

6711 Towpath Road
Suite 265
East Syracuse, NY 13057

O’Quinn, Adrianne B, MD

Listed in ,
Upstate University Medical Associates - Physical Medicine and Rehabilitation Medical Service Group, LLP
Physical Medicine & Rehab Medical Service Group
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
Other Specialties:
Pain Management
(315) 464-9390

6620 Fly Road
East Syracuse, NY 13057
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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