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.
Categories
- Facilities1498
- Acute Inpatient Hospital42
- Behavioral Health Services12
- Certified Home Health Agency85
- Durable Medical Equipment1017
- Hospice and Palliative Care1
- Inpatient Psychiatric Facility Services15
- Laboratories109
- Nutrition Services1
- Outpatient Dialysis Clinic48
- Physical Therapy Facility39
- Private Duty Nursing9
- Skilled Nursing Facility98
- Surgery Center11
- Transportation11
- Primary Care Providers5613
- Specialists24341
- Acupuncture5
- Addiction Medicine68
- Addiction Psychiatry1
- Adolescent Medicine1
- Adult Gerontology Primary Care Nurse Practitioner1
- Adult Reconstructive Orthopedic Surgery4
- Adult Reconstructive Surgery, Orthopedic3
- Advanced Practice Midwife5
- Allergy & Immunology132
- Allergy & Immunology, Pediatric3
- Anesthesiology81
- Audiology196
- Bariatric Surgery12
- Behavior Analyst1
- Behavioral Analysis2
- Behavioral Analyst1
- Behavioral Health1
- Behavioral Health-Social Work3
- Cardiac Electrophysiology65
- Cardiac Surgery18
- Cardiology489
- Cardiology, Interventional73
- Cardiology, Nuclear5
- Cardiology, Pediatric3
- Cardiothoracic Surgery49
- Cardiovascular Disease536
- Cardiovascular Surgery11
- Certified Midwife4
- Certified Physician Assistant1
- Child & Adolescent Psychiatry5
- Chiropractic Medicine28
- Chiropractor48
- Colon & Rectal Surgery150
- Colorectal Surgery2
- Critical Care23
- Critical Care Medicine185
- Critical Care Surgery29
- Dermatology406
- Diabetes Educator39
- Diagnostic Radiology27
- Dietary and Nutrition1
- Dietetics, Registered1
- Dietician27
- Dietician Nutritionist8
- Dietician, Registered156
- Echocardiography3
- Electrodiagnostic Medicine1
- Emergency Medicine64
- Emergency Medicine, Pediatric3
- Endocrinology And Metabolism14
- Endocrinology, Diabetes & Metabolism191
- Endocrinology, Diabetes and Metabolism1
- Epilepsy22
- Family1
- Family Medicine18
- Foot Surgery11
- Gastroenterology425
- General Surgery318
- Genetics7
- Geriatric Medicine13
- Geriatrics97
- Gynecologic Oncology3
- Gynecology28
- Hand Surgery18
- Hand Therapy1
- Head & Neck Surgery2
- Head Surgery4
- Hematology61
- Hematology-Oncology3
- Hospice & Palliative Medicine101
- Hospitalist22
- Infectious Diseases161
- Infectious Diseases, Pediatric2
- Infusion Services17
- Internal Medicine2436
- Interventional Cardiology29
- Licensed Behavior Analyst2
- Licensed Practical Nurse2
- Marriage & Family Therapy18
- Maternal-Fetal Medicine109
- Medical Oncology23
- Mental Health Counselor213
- Midwife223
- Midwife, Advanced Practice47
- Midwives15
- Mohs Surgery14
- Neck Surgery2
- Neonatal-Perinatal Medicine13
- Nephrology339
- Nephrology, Pediatric2
- Neurological Surgery21
- Neurology871
- Neurology, Pediatric28
- Neurology, Vascular28
- Neuromuscular Medicine9
- Neuropathology3
- Neurophysiology29
- Neuropsychiatry4
- Neuropsychology38
- Neuroradiology14
- Neurosurgery207
- Nuclear Cardiology2
- Nuclear Medicine19
- Nurse Anesthetist, Registered28
- Nurse Practitioner1008
- Nurse Practitioner (Specialist)2776
- Nurse Practitioner Psychiatry13
- Nurse Practitoner1
- Nurse, Registered (Specialist)21
- Nutritionist8
- Obesity & Weight Management19
- Obstetrics30
- Obstetrics & Gynecology Surgery3
- Obstetrics and Gynecology3
- Obstetrics/Gynecology1046
- Occupational Health32
- Occupational Therapy287
- Oncology49
- Oncology, Gynecologic14
- Oncology, Hematology248
- Oncology, Medical78
- Oncology, Radiation213
- Oncology, Surgical20
- Ophthalmology383
- Optometry7
- Orthopaedic Surgery1
- Orthopaedics3
- Orthopedic Surgery754
- Orthopedic Surgery, Back1
- Orthopedic Surgery, Hand3
- Orthopedic Surgery, Pediatric1
- Orthopedic Surgery, Spine1
- Orthopedics57
- Orthopedics, Ankle3
- Orthopedics, Foot3
- Osteopathic Medicine2
- Otolaryngology278
- Otolaryngology, Pediatric3
- Pain Management140
- Pain Management, Interventional18
- Palliative Care1
- Palliative Medicine28
- Pathology16
- Pathology, Dermatopathology24
- Pediatric Surgery6
- Physical Medicine & Rehab11
- Physical Medicine & Rehabilitation313
- Physical Medicine and Rehabilitation1
- Physical Therapy998
- Physical Therapy, Neurology1
- Physician Assistant67
- Physician Assistant (Specialist)2887
- Plastic Surgery121
- Plastic Surgery, Facial18
- Podiatric Surgery20
- Podiatrist, Foot & Ankle Surgery1
- Podiatry311
- Preventive Medicine10
- Professional Counselor2
- Prosthetics & Orthotics30
- Psychiatry1053
- Psychiatry & Neurology1
- Psychiatry, Addiction10
- Psychiatry, Child & Adolescent65
- Psychiatry, Geriatric11
- Psychology426
- Psychology, Child & Adolescent5
- Psychosomatic Medicine7
- Pulmonary Critical Care3
- Pulmonary Disease41
- Pulmonary Medicine1
- Pulmonology423
- Radiation Oncology11
- Radiology8
- Radiology, Diagnostic117
- Radiology, Vascular & Interventional15
- Reconstructive Surgery27
- Rehabilitation Medicine, Pediatric1
- Reproductive Endocrinology2
- Retina and Vitreous Surgery1
- Rheumatology125
- Rheumatology, Pediatric3
- Sleep Diagnostics43
- Sleep Medicine10
- Social Work812
- Social Worker1
- Speech Language Pathology147
- Spinal Cord Injury Medicine4
- Sports Medicine131
- Surgery559
- Surgery (General Surgery)2
- Surgery (General)2
- Surgical Oncology3
- Thoracic Surgery95
- Transfusion Medicine1
- Transplant Hepatology4
- Transplant Surgery25
- Trauma and Surgical Critical Care2
- Trauma Surgery10
- Undersea & Hyperbaric Medicine2
- Urgent Care17
- Urogynecology12
- Urological Surgery2
- Urology559
- Urology, Pediatric6
- Vascular & Interventional Rad1
- Vascular & Interventional Radiology4
- Vascular Medicine3
- Vascular Surgery177
- Wound Care16
Masarech, Martin, MD
Listed in Family Practice, Primary Care Providers
United Health Services Hospitals, Inc. - Binghamton General Hospital
County:
Chenango
Accepting New Patients:
No
Language(s):
English
Gender:
Male
(607) 656-4115
15 Birdsall Street
Greene, NY 13778
Greene, NY 13778
Mase, Megan, NP
Listed in Nurse Practitioner (PCP), Primary Care Providers
Wyoming County Community Health System
County:
Wyoming
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 786-8940
400 North Main Street
Warsaw, NY 14569
Warsaw, NY 14569
Mashaw, Zachary M, MD
Listed in Family Practice, Primary Care Providers
Ogdensburg Family Practice LLC
County:
St. Lawrence
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 393-9268
921 State Street
Ogdensburg, NY 13669
Ogdensburg, NY 13669
Mashinic, Elisabeth, MD
Listed in Psychiatry, Specialists
Erie County Medical Center
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 898-5759
462 Grider Street
Buffalo, NY 14215
Buffalo, NY 14215
Mashkevich, Grigoriy, MD
Hudson Dermatology, PC
Hudson Dermatology - Fishkill
County:
Dutchess
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(845) 896-7730
969 Main Street
Suite D
Fishkill, NY 12424
Suite D
Fishkill, NY 12424
Mashkevich, Grigoriy, MD
Hudson Dermatology, PC
Hudson Dermatology - Poughkeepsie
County:
Dutchess
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(845) 473-2350
29 Fox Street
4th Floor
Poughkeepsie, NY 12601
4th Floor
Poughkeepsie, NY 12601
Mashkevich, Grigoriy, MD
Hudson Dermatology, PC
Hudson Dermatology - Kingston
County:
Ulster
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(845) 338-3200
40 Hurley Avenue
Suite 10
Kingston, NY 12401
Suite 10
Kingston, NY 12401
Mashkevich, Grigoriy, MD
Hudson Dermatology, PC
Hudson Dermatology - Hudson
County:
Columbia
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 412-3300
98 Green Street
Suite 4
Hudson, NY 12534
Suite 4
Hudson, NY 12534
Mashkevich, Grigoriy, MD
Hudson Dermatology, PC
Hudson Dermatology - Somers
County:
Westchester
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(914) 617-8950
336 US Route 202
Suite 2
Somers, NY 10589
Suite 2
Somers, NY 10589
Mashkevich, Grigoriy, MD
Hudson Dermatology, PC
Hudson Dermatology - Tarrytown
County:
Westchester
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(914) 829-8200
155 White Plains Road
Suite 109, East Wing
Tarrytown, NY 10591
Suite 109, East Wing
Tarrytown, NY 10591
Mashkevich, Grigoriy, MD
Hudson Dermatology, PC
Hudson Dermatology - Cornwall
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(845) 458-8188
55 Quaker Avenue
Suite 102
Cornwall, NY 12518
Suite 102
Cornwall, NY 12518
Mashkevich, Grigoriy, MD
Hudson Dermatology, PC
Hudson Dermatology - Nanuet
County:
Rockland
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(845) 415-5575
408 Market Street
Nanuet, NY 10954
Nanuet, NY 10954
Masia, Nicholas G, DC
Listed in Chiropractic Medicine, Specialists
Christopher Chiropractic Center, Ll
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 626-5224
5842 Main Street
Williamsville, NY 14221
Williamsville, NY 14221
Masiello, Andrea Maria, BSN; FNP-C; NP; RN
Listed in Nurse Practitioner (Specialist), Specialists
University of Rochester Medical Center
Trauma Burn Emergency Surgery of University of Rochester
County:
Monroe
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(585) 275-5100
601 Elmwood Avenue
Rochester, NY 14642
Rochester, NY 14642
Masiero, Lauren, LCSW
Listed in Social Work, Specialists
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
Suite 824
New York, NY 10013
Maslak, Patricia, FNP-BC
Listed in Nurse Practitioner (Specialist), Specialists
SUNY Health Science Center at Syracuse dba University Hospital
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(315) 464-6255
750 East Adams Street
Syracuse, NY 13210
Syracuse, NY 13210
Maslak, Peter, MD
Listed in Internal Medicine, Primary Care Providers
Roswell Park Cancer Institute Corporation
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 845-2300
Elm & Carlton Street
Buffalo, NY 14263
Buffalo, NY 14263
Maslak, Peter, MD
Listed in Internal Medicine, Primary Care Providers
Roswell Park Cancer Institute Corporation
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 845-8711
100 College Parkway
Suite 290
Amherst, NY 14221
Suite 290
Amherst, NY 14221
Mason, Christopher, DO
Glens Falls Hospital
County:
Warren
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 926-6620
100 Park Street
Glens Falls, NY 12801
Glens Falls, NY 12801
Mason, Christopher, DO
Glens Falls Hospital
CR Wood Cancer Center @ GFH
County:
Warren
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(518) 926-6620
102 Park Street
Glens Falls, NY 12801
Glens Falls, NY 12801
Mason, James, DO
Listed in Orthopedic Surgery, Specialists
Lewis County General Hospital
County:
Lewis
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 376-4505
7785 North State Street
Suite 120
Lowville, NY 13367
Suite 120
Lowville, NY 13367
Mason, James M, MD
Listed in Internal Medicine, Primary Care Providers
University of Rochester
County:
Monroe
Accepting New Patients:
No
Language(s):
English
Gender:
Male
(585) 602-2300
800 Ayrault Road
Suite 200
Fairport, NY 14450
Suite 200
Fairport, NY 14450
Mason, Sarah, CNM
Listed in Obstetrics/Gynecology, Specialists
Guthrie Medical Group, P.C.
County:
Bradford
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(570) 887-2555
1 Guthrie Square
Sayre, PA 18848
Sayre, PA 18848
Mason, Sarah J, CNM
Listed in Midwife, Specialists
Guthrie Medical Group, P.C.
County:
Steuben
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(607) 937-8000
3 Guthrie Drive
Corning, NY 14830
Corning, NY 14830
Mason, Veronica V, FNP
Listed in Family Practice, Primary Care Providers
Mason NP in Family Medicine PC
County:
Niagara
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 216-4424
2131 Sawyer Drive
Suite 6
Niagara Falls, NY 14304
Suite 6
Niagara Falls, NY 14304
Online directory last updated on August 1, 2025
Download the Provider Directory (pdf), updated August 1, 2025
Page last updated on August 8, 2025
