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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Castiglia, Gregory J, MD

Listed in ,
University At Buffalo Neurosurgery
County:
Erie
Accepting New Patients:
No
Language(s):
English
Gender:
Male
(716) 218-1000

40 George Karl Boulevard
Suite 200
Williamsville, NY 14221

Castiglia, Jacob, MD

Listed in ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 279-4800

777 Clinton Avenue South
Rochester, NY 14620

Castillo-Alcasid, Marie, MD

Listed in ,
Oswego Hospital
County:
Oswego
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(315) 349-5511

110 West 6th Street
Oswego, NY 13126

Castillo, Catherin, LMSW

Listed in ,
Cornerstone Family Healthcare
County:
Rockland
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 999-3060

260 North Little Tor Road
New City, NY 10956

Castillo, Catherin, LMSW

Listed in ,
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 563-8000

147 Lake Street
Newburgh, NY 12550

Castillo, Catherin, LMSW

Listed in ,
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 563-8000

10 Benton Avenue
Middletown, NY 10940

Castillo, Catherin, LMSW

Listed in ,
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 563-8000

140 Hammond Street
Port Jervis, NY 12771

Castillo, Catherin, LMSW

Listed in ,
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 220-2074

91 Blooming Grove Turnpike
New Windsor, NY 12553

Castillo, Catherin, LMSW

Listed in ,
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 563-8000

99 Cameron Street
Pine Bush, NY 12566

Castillo, Catherin, LMSW

Listed in ,
Cornerstone Family Healthcare
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(607) 201-1200

35 Felters Road
Binghamton, NY 13903

Castillo, Catherin, LMSW

Listed in ,
Cornerstone Family Healthcare
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(607) 201-1204

275 Chenango Street
Binghamton, NY 13901

Castle, Melissa, PhD

Listed in ,
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 273-1776

1860 South Avenue
1st Floor
Rochester, NY 14620

Castle, Melissa, 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) 273-1776

1860 South Avenue
1st Floor
Rochester, NY 14620

Castonguay, Andrea, PA

Listed in ,
Erie County Medical Center
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 898-3414

462 Grider Street
Buffalo, NY 14215

Castor, Mary Catherine, 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

Castor, Mary Catherine, 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

Castor, Mary Catherine, 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

Castoro, Karen, NP

Listed in , ,
Guthrie Lourdes Hospital
Vestal Women's Health
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(607) 584-5510

3101 Shippers Road
Suite 202
Vestal, NY 13850

Castoro, Karen, NP

Listed in , ,
Guthrie Lourdes Hospital
Vestal Women's Health
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(607) 584-5510

3101 Shippers Road
Suite 202
Vestal, NY 13850

Castro, Jonathan Manuel Perez, MD

Listed in ,
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(845) 563-8000

147 Lake Street
Newburgh, NY 12550

Castro, Jonathan Manuel Perez, MD

Listed in ,
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(845) 220-2074

91 Blooming Grove Turnpike
New Windsor, NY 12553

Castro, Marisa Marie, NP

Listed in , ,
University of Rochester
Primary Care - Gates Medical Associates
County:
Monroe
Accepting New Patients:
No
Language(s):
English
Gender:
Female
Other Specialties:
Geriatrics
(585) 276-7575

2135 Buffalo Road
Rochester, NY 14624

Castro, Marisa Marie, NP

Listed in , ,
University of Rochester
Primary Care - Gates Medical Associates
County:
Monroe
Accepting New Patients:
No
Language(s):
English
Gender:
Female
Other Specialties:
Geriatrics
(585) 276-7575

2135 Buffalo Road
Rochester, NY 14624

Castro, Noel, PA

Listed in ,
Syracuse Community Health Center
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
930 South Salina Street
Syracuse, NY 13202

Castro, Noel, PA

Listed in ,
Syracuse Community Health Center
County:
Onondaga
Language(s):
English
Gender:
Male
(315) 476-7921

819 South Salina Street
Syracuse, NY 13202
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Online directory last updated on March 13, 2026

Download the Provider Directory (pdf), updated March 20, 2026

Page last updated on March 23, 2026