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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Maciejewski, Juliane Marie, MD

Listed in ,
Erie County Medical Center
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 831-8612

462 Grider Street
Buffalo, NY 14215

Macinski, Tamara, NP

Listed in ,
United Medical Associates, P.C.
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(607) 763-6580

30 Harrison Street
Suite 250
Johnson City, NY 13790

Mack, Andrew W, MD

Listed in ,
Mt. St. Mary's Hospital Of Niagara
County:
Niagara
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 297-4800

5300 Military Road
Lewiston, NY 14092

Mack, Andrew W, MD

Listed in ,
Mt. St. Mary's Hospital Of Niagara
County:
Niagara
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 297-1701

5320 Military Road
Suite 107
Lewiston, NY 14092

Mack, Andrew W, MD

Listed in ,
Trinity Medical WNY, PC
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 204-1101

2157 Main Street
Buffalo, NY 14214

Mack, Andrew W, MD

Listed in ,
Trinity Medical WNY, PC
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 204-1101

565 Abbott Road
Buffalo, NY 14220

Mack, Andrew W, MD

Listed in ,
Trinity Medical WNY, PC
County:
Niagara
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 204-1101

5300 Military Road
Mt. St. Marys Hospital
Lewiston, NY 14092

Mack, Andrew W, MD

Listed in ,
Trinity Medical WNY, PC
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 204-1101

192 Park Club Lane
Suite 100 Suite 120
Williamsville, NY 14221

Mack, Andrew W, MD

Listed in ,
Trinity Medical WNY, PC
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 204-1101

4901 Camp Road
Suite 100
Hamburg, NY 14075

Mack, Cynthia, NP

Listed in ,
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 262-9100

160 Sawgrass Drive
Suite 130
Rochester, NY 14620

Mack, Cynthia, NP

Listed in ,
University of Rochester
U of R Plastic Surgeons
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 262-9100

160 Sawgrass Drive
Suite 130
Rochester, NY 14620

Mack, Cynthia, NP

Listed in ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 760-5466

435 East Henrietta Road
Rochester, NY 14620

Mack, Matthew D, MD

Listed in ,
His Branches Community Health Center
His Branches Community Health Center - 19th Ward Location
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(585) 235-2250

340 Arnett Boulevard
Rochester, NY 14619

Mack, Sherradyn L, 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:
Female
(315) 464-5979

750 East Adams
Syracuse, NY 13210

Mackellar, Bruce W, MD

Listed in ,
St. James Hospital
Canisteo Valley Family Practice
County:
Steuben
Language(s):
English
Gender:
Male
(607) 324-5404

111 Loder Street
Suite A
Hornell, NY 14843

MacKnight, Halle P, DPT

Listed in ,
Syracuse Orthopedic Specialists, P.C.
East Syracuse Office
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 418-4000

5823 Widewaters Parkway
Suite 3
East Syracuse, NY 13057

MacKnight, Halle P, DPT

Listed in ,
Syracuse Orthopedic Specialists, P.C.
SOS Hand Center
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 418-4040

5719 Widewaters Parkway
Syracuse, NY 13214

MacKnight, Halle P, DPT

Listed in ,
Syracuse Orthopedic Specialists, P.C.
Heritage Office
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 418-4042

5496 East Taft Road
Suite 2B
North Syracuse, NY 13212

MacKnight, Halle P, DPT

Listed in ,
Syracuse Orthopedic Specialists, P.C.
Camillus Office
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 418-4043

5701 West Genesee Street
Camillus, NY 13031

MacKnight, Halle P, DPT

Listed in ,
Syracuse Orthopedic Specialists, P.C.
Clay Office
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 418-4128

8324 Oswego Road
Suite A
Liverpool, NY 13090

MacLaughlin, Brian W, MD

Listed in ,
Upstate University Medical Associates - University Surgical Associates, LLP
University Surgical Associates LLP
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Colon & Rectal Surgery
(315) 464-5533

725 Irving Avenue
Suite 211
Syracuse, NY 13210

MacLaughlin, Brian W, MD

Listed in ,
Upstate University Medical Associates - University Surgical Associates, LLP
Surgical Specialties
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Colon & Rectal Surgery
(315) 464-1800

750 East Adams Street
Syracuse, NY 13210

MacLean, Mary, PA

Listed in ,
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 341-7685

2400 South Clinton Avenue
Building G, Suite 2
Rochester, NY 14618

MacLean, Mary, PA

Listed in ,
University of Rochester
University of Rochester Urgent Care
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 784-7848

2134 Penfield Road
Penfield, NY 14526

MacLeod, Philip R, PA

Listed in ,
St. Joseph's Medical PC
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 423-7192

104 Union Avenue
Suite 1001-1002
Syracuse, NY 13203
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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