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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Koritz, Sara H, MD

Listed in ,
Mercy Hospital Of Buffalo
County:
Erie
Accepting New Patients:
Yes
Language(s):
Spanish
Gender:
Female
(716) 826-7000

565 Abbott Road
Buffalo, NY 14220

Korman, Benjamin Douglas, MD

Listed in , ,
University of Rochester Medical Center
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 486-0901

125 Lattimore Road
Suite G-110
Rochester, NY 14620

Korman, Benjamin Douglas, MD

Listed in , ,
University of Rochester Medical Center
Allergy-Immunology-Rheumatology Clinical Group of University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 486-0901

125 Lattimore Road
Suite G-110
Rochester, NY 14620

Korman, Benjamin Douglas, MD

Listed in , ,
University of Rochester Medical Center
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 486-0901

400 Red Creek Drive
Suite 240
Rochester, NY 14623

Korman, Benjamin Douglas, MD

Listed in , ,
University of Rochester Medical Center
Allergy-Immunology-Rheumatology Clinical Group of University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 486-0901

400 Red Creek Drive
Suite 240
Rochester, NY 14623

Kormanyos, Nicole M, LCSW

Listed in ,
Massena Hospital, Inc.
Massena Memorial Hospital
County:
St. Lawrence
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 769-4343

1 Hospital Drive
Massena, NY 13662

Kormanyos, Nicole M, LCSW

Listed in ,
Massena Hospital, Inc.
MH-St. Lawrence Internists
County:
St. Lawrence
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 769-0027

271 Andrews Street
Massena, NY 13662

Korn, Roy, MD

Listed in ,
Bassett Healthcare Network
Mary Imogene Bassett Hospital
County:
Schoharie
Language(s):
English
Gender:
Male
(518) 234-2555

136 Parkway Drive
Cobleskill, NY 12043

Kornfield, Robert N., MD

Listed in , ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 341-6776

1000 South Avenue
Rochester, NY 14620

Kornfield, Robert N., MD

Listed in , ,
University of Rochester
Gastrointestinal Group
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 275-4711

156 West Avenue
Brockport, NY 14420

Kornfield, Robert N., MD

Listed in , ,
University of Rochester
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 395-0124

156 West Avenue
Suite #107
Brockport, NY 14420

Kornfield, Robert N., MD

Listed in , ,
University of Rochester
Gastrointestinal Group
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 275-4711

180 Sawgrass Drive
Suite #230
Rochester, NY 14620

Kornfield, Robert N., MD

Listed in , ,
University of Rochester
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 275-4711

180 Sawgrass Drive
Suite #230
Rochester, NY 14620

Kornfield, Robert N., MD

Listed in , ,
University of Rochester
Gastrointestinal Group
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 275-4711

601 Elmwood Avenue
Rochester, NY 14642

Kornfield, Robert N., MD

Listed in , ,
University of Rochester
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 275-2100

601 Elmwood Avenue
Rochester, NY 14642

Korobov, Kelsey, NP

Listed in ,
Kaleida Health
Buffalo General Medical Center
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 859-5600

100 High Street
Buffalo, NY 14203

Korones, David Nathan, MD

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

601 Elmwood Avenue
Rochester, NY 14642

Korones, David Nathan, MD

Listed in , ,
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English, Russian
Gender:
Male
(585) 275-2100

601 Elmwood Avenue
Rochester, NY 14642

Korones, David Nathan, MD

Listed in , ,
University of Rochester
Strong Palliative Care Group
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English, Russian
Gender:
Male
(585) 273-1154

601 Elmwood Avenue
Rochester, NY 14642

Korosec, Melissa L, FNP

Listed in ,
Our Lady of Lourdes Memorial Hospital, Inc.
Lourdes Hospital
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(607) 798-7100

169 Riverside Drive
Binghamton, NY 13905

Kort, Kara, MD

Listed in ,
St. Joseph's Hospital Health Center
County:
Onondaga
Language(s):
English
Gender:
Female
(315) 448-5480

301 Prospect Avenue
1st Floor Specialty Services
Syracuse, NY 13203

Kort, Kara C, MD

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

301 Prospect Avenue
Syracuse, NY 13203

Kort, Kara C, MD

Listed in ,
St. Joseph's Medical PC
County:
Onondaga
Language(s):
English
Gender:
Female
(315) 744-1551

4117 Medical Center Drive
Pod A
Fayetteville, NY 13066

Korytko, Timothy, MD

Listed in ,
Bassett Healthcare Network
Mary Imogene Bassett Hospital
County:
Otsego
Language(s):
English
Gender:
Male
(607) 547-3510

1 Atwell Road
Cooperstown, NY 13326

Korzun, Jacob A, MD

Listed in ,
F.F. Thompson Hospital
County:
Ontario
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 396-6000

350 Parrish Street
Canandaigua, NY 14424
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Online directory last updated on January 2, 2026

Download the Provider Directory (pdf), updated January 2, 2026

Page last updated on January 29, 2026