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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Regan, Lydia, PA-C

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

Regan, Lydia, PA-C

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

Regan, Lydia, PA-C

Listed in , ,
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 343-2273

14 Grove Street
Middletown, NY 10940

Regan, Lydia, PA-C

Listed in , ,
Cornerstone Family Healthcare
County:
Ulster
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 393-6015

24 Old Firehouse Road
Wallkill, NY 12589

Regis, Crystal, NP

Listed in ,
University of Rochester
Breast Cancer Surgery of University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 487-1700

125 Red Creek Drive
Suite 211
Rochester, NY 14623

Rehabilitation Technologies of Syracuse Inc.

Listed in
County:
Onondaga
Language(s):
English
(315) 426-9920

1101 Erie Boulevard East
Suite 209
Syracuse, NY 13210

Rehany, Mordechai, MD

Listed in ,
St. Lawrence Radiology Associates, PC
Pinnacle Upright MRI of Syracuse
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
(315) 303-0088

3881 NY-31
Unit 100
Liverpool, NY 13090

Rehbein, Tyler Adam, MD

Listed in ,
University of Rochester
U of R Neurology Department
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Neuromuscular Medicine
(585) 275-2559

601 Elmwood Avenue
Rochester, NY 14642

Rehbein, Tyler Adam, MD

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

601 Elmwood Avenue
Rochester, NY 14642

Rehbein, Tyler Adam, MD

Listed in ,
University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Neuromuscular Medicine
(585) 275-4568

919 Westfall Road
Building C, Suite 220
Rochester, NY 14618

Rehbein, Tyler Adam, MD

Listed in ,
University of Rochester
U of R Neurology Department
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
Other Specialties:
Neuromuscular Medicine
(585) 275-4568

919 Westfall Road
Building C, Suite 220
Rochester, NY 14618

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
Division of Urology
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 262-3341

23 Hackett Boulevard
MC 208
Albany, NY 12208

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
AMC Division of Urology
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 262-3341

23 Hackett Boulevard
MC 208
Albany, NY 12208

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
AMC Division of Urology
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 262-1700

391 Myrtle Avenue
Suite 3B
Albany, NY 12208

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
AMC Joint Clinic
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 262-1700

391 Myrtle Avenue
Suite 3B
Albany, NY 12208

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
Department of Neurosurgery at AMC
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 262-5088

43 New Scotland Avenue
MC 10 A3 Clinic
Albany, NY 12208

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
AMC Pediatric Surgery Group
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 262-5831

50 New Scotland Avenue
MC-191 2nd Floor
Albany, NY 12208

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
Albany Med Pediatric Specialty Group
County:
Ulster
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 262-5640

117 Mary's Avenue
Suite 202
Kingston, NY 12401

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
AMC Division of Urology
County:
Saratoga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 264-4800

1783 US Route 9
Suite 205
Clifton Park, NY 12065

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
Albany Med Ambulatory Endoscopy and Surgery Center
County:
Schenectady
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 264-4768

1769 Union Street
3rd Floor
Schenectady, NY 12309

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
Albany Med Urology
County:
Schenectady
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 374-3341

2200 Rosa Road
Schenectady, NY 12309

Rehfuss, Alexandra W, MD

Listed in ,
Albany Medical Center
SCC Surgery
County:
Albany
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 262-1271

25 Hackett Boulevard
Albany, NY 12208

Rehman, Afzal Ur, MD, Phd

Listed in ,
United Health Services Hospitals, Inc. - Binghamton General Hospital
County:
Broome
Accepting New Patients:
No
Language(s):
English
Gender:
Male
(607) 763-6580

4417 Vestal Parkway East
Vestal, NY 13850

Rehman, Afzal Ur, MD, Phd

Listed in ,
United Medical Associates PC
County:
Otsego
Accepting New Patients:
No
Language(s):
English
Gender:
Male
(607) 432-5477

179 River Street
Oneonta, NY 13820

Rehman, Afzal Ur, MD, Phd

Listed in ,
United Medical Associates PC
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(607) 763-6580

30 Harrison Street
Suite 250
Johnson City, NY 13790
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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