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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Gephart, Jennifer L, NP

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

350 Parrish Street
Canandaigua, NY 14424

Gerber, Megan R, MD, MPH

Listed in ,
Albany Medical Center
Department of Internal Medicine
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 262-5735

178 Washington Avenue Extension
Albany, NY 12203

Gerbers, Susan, NP

Listed in , ,
Kaleida Health
OCH Kensington OB/GYN
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 898-5544

462 Grider Street
Buffalo, NY 14215

Gerety, Gregg Francis, MD

Listed in ,
Albany Medical Center
Division of Community Endocrinology
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Internal Medicine
(518) 489-4704

1365 Washington Avenue
Suite 300
Albany, NY 12206

Gergel, Thomas J, MD

Listed in ,
Guthrie Medical Group, P.C.
County:
Bradford
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(570) 887-4048

1 Guthrie Square
Sayre, PA 18840

Gergel, Thomas J, MD

Listed in ,
Guthrie Medical Group, P.C.
County:
Steuben
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(607) 937-3100

2 Guthrie Drive
Corning, NY 14830

Gergel, Thomas J, MD

Listed in ,
Guthrie Medical Group, P.C.
County:
Cortland
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(607) 758-2360

1088 Commons Avenue
Cortland, NY 13045

Gergelis, Kimberly, MD

Listed in ,
Nicholas H. Noyes Memorial Hospital
Noyes Memorial Hospital
County:
Livingston
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 335-8675

111 Clara Barton Street
Dansville, NY 14437

Gergelis, Kimberly Rose, MD

Listed in ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 341-6750

1000 South Avenue
Rochester, NY 14620

Gergelis, Kimberly Rose, MD

Listed in ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 225-3989

155 Bellwood Drive
Rochester, NY 14606

Gergelis, Kimberly Rose, MD

Listed in ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 396-6180

395 West Street
Professional Building
Canandaigua, NY 14424

Gergelis, Kimberly Rose, MD

Listed in ,
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 486-0600

125 Red Creek Drive
Suite 101
Rochester, NY 14623

Gergelis, Kimberly Rose, MD

Listed in ,
University of Rochester
County:
Genesee
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 344-3050

262 Bank Street
Batavia, NY 14020

Gergelis, Kimberly Rose, MD

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

601 Elmwood Avenue
Rochester, NY 14642

Gergelis, Kimberly Rose, MD

Listed in ,
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 602-3140

875 Hard Road
Webster, NY 14580

Gerhardt, Nathaniel, PA

Listed in ,
SUNY Health Science Center at Syracuse dba University Hospital
SUNY Health Science Center at Syracuse
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 464-6255

750 East Adams Street
Syracuse, NY 13210

Gerkeen, Joni K, RDN

Listed in ,
Adirondack Medical Center
County:
Franklin
Accepting New Patients:
Yes
Language(s):
English
(518) 897-2611

2233 State Route 86
Saranac Lake, NY 12983

Gerken, Denise Marie, NP

Listed in ,
University of Rochester
University of Rochester
County:
Monroe
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(585) 275-5823

1000 South Avenue
Rochester, NY 14620

Gerken, Denise Marie, NP

Listed in ,
University of Rochester
Hematology Clinical Group
County:
Monroe
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(585) 275-5823

1000 South Avenue
Rochester, NY 14620

Gerken, Denise Marie, NP

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

601 Elmwood Avenue
Rochester, NY 14642

Gerken, Denise Marie, NP

Listed in ,
University of Rochester
Hematology Clinical Group
County:
Monroe
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(585) 275-5823

601 Elmwood Avenue
Rochester, NY 14642

Germain, Sonia S, MD

Listed in ,
Upstate University Medical Associates at Syracuse
Upstate Family & Preventive Medicine
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 464-4686

725 East Adams Street
4th Floor
Syracuse, NY 13210

Germain, Wil Edvard, MD

Listed in ,
Bassett Healthcare Network
Mary Imogene Bassett Hospital
County:
Otsego
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(607) 547-3456

1 Atwell Road
Cooperstown, NY 13326

German, Derrick A, MD

Listed in ,
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English, Spanish
Gender:
Male
(585) 758-0777

1835 Fairport Nine Mile Point Road
Suite 100
Penfield, NY 14526

German, Derrick A, MD

Listed in ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
No
Language(s):
English, Spanish
Gender:
Male
(585) 279-4800

777 Clinton Avenue South
Rochester, NY 14620
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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