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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Diamond, Matthew Daniel, MD

Listed in ,
St. Peter's Health Partners - St. Peter's Health Partners Medical Associates, P.C.
SPHPMA Radiology Division
County:
Rensselaer
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 880-6300

279 Troy Road
Rensselaer, NY 12144

Diamond, Matthew Daniel, MD

Listed in ,
St. Peter's Health Partners - St. Peter's Health Partners Medical Associates, P.C.
SPHPMA Radiology Division
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 525-1401

315 South Manning Boulevard
Albany, NY 12208

Diamond, Matthew Daniel, MD

Listed in ,
St. Peter's Health Partners - St. Peter's Health Partners Medical Associates, P.C.
SPHPMA Radiology Division
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 471-3280

600 Northern Boulevard
Albany, NY 12204

Diamond, Matthew Daniel, MD

Listed in ,
St. Peter's Health Partners - St. Peter's Health Partners Medical Associates, P.C.
SPHPMA Radiology Division
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 373-4448

713 Troy Schenectady Road
Suite 304
Latham, NY 12110

Diamond, Matthew Daniel, MD

Listed in ,
St. Peter's Health Partners - St. Peter's Health Partners Medical Associates, P.C.
SPHPMA Radiology Division
County:
Schenectady
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 382-4558

1270 Belmont Avenue
Schenectady, NY 12308

Diamond, Matthew Daniel, MD

Listed in ,
St. Peter's Health Partners - St. Peter's Health Partners Medical Associates, P.C.
St. Peter's Interventional Radiology Clinic
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 525-1846

319 South Manning Boulevard
Suite 304
Albany, NY 12208

Diamond, Rachel, MD

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

601 Elmwood Avenue
Rochester, NY 14642

Diaz-Balzac, Carlos Antonio, MD, PhD

Listed in ,
University of Rochester
Internal Medicine Group of University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English, Spanish
Gender:
Male
(585) 275-4912

601 Elmwood Avenue
Rochester, NY 14642

Diaz-Balzac, Carlos Antonio, MD, PhD

Listed in ,
University of Rochester
Endocrine Practice Group of University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English, Spanish
Gender:
Male
(585) 275-2901

601 Elmwood Avenue
Rochester, NY 14642

Diaz-Balzac, Carlos Antonio, MD, PhD

Listed in ,
University of Rochester
Endocrine Practice Group
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English, Spanish
Gender:
Male
(585) 275-2901

2400 South Clinton Avenue
Building H, Suite 135
Rochester, NY 14618

Diaz-Balzac, Carlos Antonio, MD, PhD

Listed in , ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
No
Language(s):
English, Spanish
Gender:
Male
(585) 341-6776

1000 South Avenue
Rochester, NY 14620

Diaz-Balzac, Carlos Antonio, MD, PhD

Listed in , ,
University of Rochester
Endocrine Practice Group
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English, Spanish
Gender:
Male
Other Specialties:
Internal Medicine
(585) 275-2901

2400 South Clinton Avenue
Building H, Suite #135
Rochester, NY 14618

Diaz-Balzac, Carlos Antonio, MD, PhD

Listed in , ,
University of Rochester
Highland Hospital of Rochester
County:
Monroe
Accepting New Patients:
No
Language(s):
English, Spanish
Gender:
Male
(585) 341-6776

1000 South Avenue
Rochester, NY 14620

Diaz-Balzac, Carlos Antonio, MD, PhD

Listed in , ,
University of Rochester
Endocrine Practice Group
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English, Spanish
Gender:
Male
Other Specialties:
Internal Medicine
(585) 275-2901

2400 South Clinton Avenue
Building H, Suite #135
Rochester, NY 14618

Diaz-Ordaz, Ernesto A, MD

Listed in ,
Kaleida Health
BGH ENT Clinic
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 859-7200

100 High Street
Door 3
Buffalo, NY 14203

Diaz-Ordaz, Ernesto A, MD

Listed in ,
Kaleida Health
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 859-7200

818 Ellicott Street
Buffalo, NY 14203

Diaz-Segarra, Nicole, MD

Listed in ,
St. Peter's Health Partners - Sunnyview Inpatient Therapy Services
Sunnyview Rehabilitation Hospital
County:
Schenectady
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 382-4560

1270 Belmont Avenue
Physical Medicine and Rehabilitation Department
Schenectady, NY 12308

Diaz, Alec, CRNA

Listed in , ,
Erie County Medical Center Corporation
County:
Erie
Accepting New Patients:
No
Language(s):
English
Gender:
Male
(716) 898-3436

462 Grider Street
Buffalo, NY 14215

Diaz, Alec, CRNA

Listed in , ,
Erie County Medical Center Corporation
County:
Erie
Accepting New Patients:
No
Language(s):
English
Gender:
Male
(716) 898-3436

462 Grider Street
Buffalo, NY 14215

Diaz, Emily, NP

Listed in ,
Western New York Bloodcare Inc
County:
Erie
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(716) 896-2470

1010 Main Street
Suite 300
Buffalo, NY 14202

Diaz, Estefania, LCSW

Listed in ,
Valera Medical PC
Valera Health
County:
New York County (Manhattan)
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(646) 450-7748

139 Centre Street
Suite 824
New York, NY 10013

Diaz, Jason, LCSW

Listed in ,
CHE Senior Psychological Services PC (CHE Behavioral Health)
CHE Senior Psychological Services PC
County:
Kings (Brooklyn)
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(888) 515-3834

300 Cadman Plaza West
Floor 12
Brooklyn, NY 11201

Diaz, Lester, LMSW

Listed in ,
United Health Services Hospitals, Inc (UHS)
United Health Services Hospitals, Inc.
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(607) 762-2340

33 Mitchell Avenue
Binghamton, NY 13903

Diaz, Michael, DO

Listed in ,
Physician Care PC
County:
Oswego
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 349-5511

110 West 6th Street
Oswego, NY 13126

Diaz, Michael, DO

Listed in ,
Physician Care PC
County:
Oswego
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 349-5822

140 West 6th Street
Suite 280
Oswego, NY 13126
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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