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
- Facilities1596
- Acute Inpatient Hospital43
- Behavioral Health Services12
- Certified Home Health Agency85
- Diagnostic Radiology13
- Durable Medical Equipment1017
- Family Practice Facility1
- Hospice and Palliative Care1
- Infusion Services17
- Inpatient Psychiatric Facility Services14
- Laboratories109
- Nutrition Services1
- Outpatient Dialysis Clinic48
- Physical Therapy Facility42
- Private Duty Nursing9
- Prosthetics & Orthotics30
- Skilled Nursing Facility130
- Speech Therapy Facility1
- Surgery Center12
- Transportation11
- Primary Care Providers6506
- Specialists30789
- Acupuncture7
- Addiction Medicine74
- Addiction Psychiatry1
- Adolescent Medicine1
- Adult Gerontology Primary Care Nurse Practitioner1
- Adult Reconstructive Orthopedic Surgery4
- Adult Reconstructive Surgery, Orthopedic3
- Advanced Practice Midwife4
- Allergy & Immunology136
- Allergy & Immunology, Pediatric3
- Anesthesiology92
- Art Therapy1
- Audiology204
- Bariatric Surgery12
- Behavioral Analyst4
- Behavorial Health1
- Behavorial Health-Social Work19
- Brain Injury Medicine4
- Cardiac Electrophysiology87
- Cardiac Surgery23
- Cardiology539
- Cardiology, Interventional123
- Cardiology, Nuclear7
- Cardiology, Pediatric5
- Cardiothoracic Surgery52
- Cardiothoracic Vascular Surgery2
- Cardiovascular Disease793
- Cardiovascular Surgery13
- Certified Midwife4
- Certified Physician Assistant1
- Certified Regist. Nurse Anesth11
- Child & Adolescent Psychiatry6
- Chiropractic Medicine28
- Chiropractor49
- Clinical Nurse Specialist, Psychiatric/Mental Health1
- Colon & Rectal Surgery162
- Colorectal Surgery2
- Critical Care26
- Critical Care Medicine269
- Critical Care Medicine, Pediatric2
- Critical Care Surgery40
- Dermatology482
- Diabetes Educator25
- Diagnostic Radiology (Specialist)16
- Dietary and Nutrition1
- Dietetics, Registered1
- Dietician26
- Dietician Nutritionist8
- Dietician, Registered152
- Echocardiography3
- Electrodiagnostic Medicine1
- Emergency Medicine68
- Emergency Medicine, Pediatric3
- Endocrinology2
- Endocrinology & Metabolism14
- Endocrinology, Diabetes & Metabolism204
- Endocrinology, Pediatric2
- Epilepsy23
- Family1
- Family Medicine20
- Foot Surgery14
- Gastroenterology486
- Gastroenterology, Pediatric1
- General Surgery354
- Genetics10
- Geriatric Medicine16
- Geriatrics133
- Gerontology3
- Gynecologic Oncology3
- Gynecology30
- Hand Surgery18
- Hand Therapy1
- Head & Neck Surgery2
- Head Surgery4
- Hematology70
- Hematology-Oncology4
- Hematology, Pediatric2
- Hematopathology1
- Hospice & Palliative Medicine119
- Hospitalist63
- Hospitalist/Internal Medicine1
- Infectious Disease3
- Infectious Diseases201
- Infectious Diseases, Pediatric2
- Internal Medicine3032
- Interventional Cardiology49
- Licensed Behavior Analyst2
- Licensed Practical Nurse3
- Marriage & Family Therapy21
- Maternal-Fetal Medicine148
- Medical Oncology23
- Mental Health Counselor266
- Midwife279
- Midwife, Advanced Practice56
- Midwives15
- Mohs Surgery23
- Neck Surgery2
- Neonatal-Perinatal Medicine13
- Nephrology372
- Nephrology, Pediatric3
- Neurological Surgery21
- Neurology956
- Neurology with Special Qualifications in Child Neurology1
- Neurology, Pediatric28
- Neurology, Vascular36
- Neuromuscular Medicine9
- Neuropathology4
- Neurophysiology33
- Neuropsychiatry4
- Neuropsychology43
- Neuropsychology, Pediatric1
- Neuroradiology66
- Neurosurgery229
- Nuclear Cardiology2
- Nuclear Medicine31
- Nurse Anesthetist, Registered99
- Nurse Practitioner1018
- Nurse Practitioner (Specialist)4323
- Nurse Practitioner Psychiatry13
- Nurse, Registered (Specialist)28
- Nutritionist13
- Obesity & Weight Management20
- Obstetrics35
- Obstetrics & Gynecology Surgery5
- Obstetrics/Gynecology1211
- Occupational Health33
- Occupational Medicine1
- Occupational Therapy301
- Oncology50
- Oncology, Gynecologic18
- Oncology, Hematology278
- Oncology, Medical92
- Oncology, Pediatric2
- Oncology, Radiation278
- Oncology, Surgical23
- Ophthalmology410
- Ophthalmology, Pediatric4
- Optometry7
- Orthopaedic Surgery2
- Orthopaedics3
- Orthopedic Surgery825
- Orthopedic Surgery, Back1
- Orthopedic Surgery, Hand3
- Orthopedic Surgery, Pediatric1
- Orthopedic Surgery, Spine1
- Orthopedics62
- Orthopedics, Ankle3
- Orthopedics, Foot3
- Osteopathic Medicine3
- Otolaryngology321
- Otolaryngology, Pediatric3
- Pain Management165
- Pain Management, Interventional18
- Pain Medicine1
- Palliative Care1
- Palliative Medicine29
- Pathology16
- Pathology, Dermatopathology27
- Pediatric Otolaryngology1
- Pediatric Surgery8
- Pediatric Urology1
- Physical Medicine & Rehabilitation351
- Physical Therapy1054
- Physical Therapy, Neurology1
- Physician Assistant (Specialist)5105
- Plastic and Reconstructive Surgery1
- Plastic Surgery132
- Plastic Surgery, Facial18
- PM&R Spinal Cord Injury Medicine2
- Podiatric Surgery20
- Podiatrist, Foot & Ankle Surgery1
- Podiatry340
- Preventive Medicine17
- Professional Counselor2
- Psychiatric/Mental Health1
- Psychiatry1298
- Psychiatry & Neurology4
- Psychiatry & Neurology, Neurology2
- Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology2
- Psychiatry & Neurology, Psychiatry3
- Psychiatry, Addiction11
- Psychiatry, Child & Adolescent90
- Psychiatry, General3
- Psychiatry, Geriatric11
- Psychiatry& Neurology, Child & Adolescent Psychiatry3
- Psychologist1
- Psychologist, Clinical1
- Psychologist, Clinical Child & Adolescent1
- Psychology463
- Psychology, Child & Adolescent8
- Psychosomatic Medicine10
- Pulmonary Critical Care3
- Pulmonary Disease42
- Pulmonary Medicine1
- Pulmonology494
- Radiation Oncology11
- Radiology11
- Radiology, Diagnostic281
- Radiology, Vascular & Interventional15
- Reconstructive Surgery28
- Rehabilitation Medicine, Pediatric2
- Reproductive Endocrinology2
- Retina and Vitreous Surgery1
- Rheumatology136
- Rheumatology, Pediatric3
- Sleep Diagnostics51
- Sleep Medicine10
- Social Work945
- Social Worker1
- Speech Language Pathology155
- Spinal Cord Injury Medicine4
- Sports Medicine135
- Surgery635
- Surgery (General Surgery)2
- Surgery (General)2
- Surgical Oncology5
- Thoracic Surgery109
- Toxicology, Medical7
- Transfusion Medicine1
- Transplant Hepatology4
- Transplant Surgery28
- Trauma and Surgical Critical Care2
- Trauma Surgery30
- Undersea & Hyperbaric Medicine3
- Urgent Care48
- Urogynecology15
- Urological Surgery2
- Urology591
- Urology, Pediatric7
- Vascular & Interventional Radiology5
- Vascular Medicine3
- Vascular Neurology1
- Vascular Surgery203
- Wound Care19
Mastroleo, Michael, PA
Listed in Physician Assistant (PCP), Primary Care Providers
Crouse Hospital
County:
Onondaga
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(315) 470-7111
736 Irving Avenue
Syracuse, NY 13210
Syracuse, NY 13210
Mastronardi, Theresa, DO
Listed in Family Practice (PCP), Primary Care Providers
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 563-8000
147 Lake Street
Newburgh, NY 12550
Newburgh, NY 12550
Mastronardi, Theresa, DO
Listed in Family Practice (PCP), Primary Care Providers
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 446-4076
127 Main Street
Highland Falls, NY 10928
Highland Falls, NY 10928
Mastronardi, Theresa, DO
Listed in Family Practice (PCP), Primary Care Providers
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(845) 220-2074
91 Blooming Grove Turnpike
New Windsor, NY 12553
New Windsor, NY 12553
Mastronardi, Theresa, DO
Listed in Family Practice (PCP), Primary Care Providers
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(845) 563-8000
147 Lake Street
Newburgh, NY 12550
Newburgh, NY 12550
Mastronardi, Theresa, DO
Listed in Family Practice (PCP), Primary Care Providers
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
No
Language(s):
English
Gender:
Female
(845) 446-4076
127 Main Street
Highland Falls, NY 10928
Highland Falls, NY 10928
Mastronardi, Theresa, DO
Listed in Family Practice (PCP), Primary Care Providers
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
New Windsor, NY 12553
Mastronardi, Theresa Marie, DO
Listed in Family Practice (PCP), Primary Care Providers
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
New Windsor, NY 12553
Mastronardi, Theresa Marie, DO
Listed in Family Practice (PCP), Primary Care Providers
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 563-8000
147 Lake Street
Newburgh, NY 12550
Newburgh, NY 12550
Mastronardi, Theresa Marie, DO
Listed in Family Practice (PCP), Primary Care Providers
Cornerstone Family Healthcare
County:
Orange
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 446-4076
127 Main Street
Highland Falls, NY 10928
Highland Falls, NY 10928
Mastyayeva, Yevgenia, PhD
Listed in Psychology, Specialists
CHE Senior Psychological Services PC (CHE Behavioral Health)
CHE Senior Psychological Services PC
County:
Kings (Brooklyn)
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(888) 515-3834
300 Cadman Plaza West
Floor 12
Brooklyn, NY 11201
Floor 12
Brooklyn, NY 11201
Mastyayeva, Yevgenia, PhD
Listed in Psychology, Specialists
Knapp Street Psychiatry, PC (CHE Behavioral Health)
Knapp Street Psychiatry, PC
County:
Kings (Brooklyn)
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(888) 515-3834
2433 Knapp Street
Suite 306
Brooklyn, NY 11235
Suite 306
Brooklyn, NY 11235
Masud, Ali, MD
Listed in Cardiovascular Disease, Specialists
Sisters Of Charity Hospital
County:
Erie
Accepting New Patients:
Yes
Language(s):
English, Punjabi
Gender:
Male
Other Specialties:
Internal Medicine, ICA
(716) 862-1000
2157 Main Street
Buffalo, NY 14214
Buffalo, NY 14214
Masud, Ali, MD
Listed in Cardiovascular Disease, Specialists
Sisters Of Charity Hospital
County:
Erie
Accepting New Patients:
Yes
Language(s):
English, Punjabi, Urdu
Gender:
Male
Other Specialties:
Internal Medicine, ICA
(716) 891-2400
2605 Harlem Road
Buffalo, NY 14225
Buffalo, NY 14225
Masyga, Marcy A, DO
Listed in Family Practice (PCP), Primary Care Providers
General Physician, PC
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 656-4077
230 South Cascade Drive
Springville, NY 14141
Springville, NY 14141
Masyga, Nicholas P, DO
Listed in Family Practice (PCP), Primary Care Providers
General Physician, PC
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Male
(716) 646-2590
5470 Camp Road
Suite 200
Hamburg, NY 14075
Suite 200
Hamburg, NY 14075
Mata, Armando, MD
Listed in Plastic Surgery, Specialists
Our Lady of Lourdes Memorial Hospital, Inc.
Lourdes Riverside Medical
County:
Broome
Accepting New Patients:
Yes
Language(s):
English
(607) 798-6700
161 Riverside Drive
Suite 106
Binghamton, NY 13905
Suite 106
Binghamton, NY 13905
Mata, Brian A, MD
Listed in Orthopedic Surgery, Specialists
Brooks-TLC Hospital System, Inc.
County:
Chautauqua
Language(s):
English
(716) 366-1111
529 Central Avenue
Dunkirk, NY 14048
Dunkirk, NY 14048
Matala-Sullivan, Maria Elena, DO
Listed in Family Practice (PCP), Primary Care Providers
Lakeshore Primary Care Associates, LLP
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 646-1084
4855 Camp Road
Suite 100
Hamburg, NY 14075
Suite 100
Hamburg, NY 14075
Matala-Sullivan, Maria Elena, DO
Listed in Family Practice (PCP), Primary Care Providers
Lakeshore Primary Care Associates, LLP
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 683-4196
571 Terrace Boulevard
Depew, NY 14043
Depew, NY 14043
Matala Sullivan, Maria E, DO
Listed in Family Practice (PCP), Primary Care Providers
Lakeshore Primary Care Associates, LLP
Lakeshore Primary Care Associates
County:
Erie
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(716) 646-1084
4855 Camp Road
Suite 100
Hamburg, NY 14075
Suite 100
Hamburg, NY 14075
Matatova, Marina, DO
Listed in Dermatology, Specialists
Hudson Dermatology, PC
Hudson Dermatology - Fishkill
County:
Dutchess
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 896-7730
969 Main Street
Suite D
Fishkill, NY 12424
Suite D
Fishkill, NY 12424
Matatova, Marina, DO
Listed in Dermatology, Specialists
Hudson Dermatology, PC
Hudson Dermatology - Poughkeepsie
County:
Dutchess
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 473-2350
29 Fox Street
4th Floor
Poughkeepsie, NY 12601
4th Floor
Poughkeepsie, NY 12601
Matatova, Marina, DO
Listed in Dermatology, Specialists
Hudson Dermatology, PC
Hudson Dermatology - Kingston
County:
Ulster
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(845) 338-3200
40 Hurley Avenue
Suite 10
Kingston, NY 12401
Suite 10
Kingston, NY 12401
Matatova, Marina, DO
Listed in Dermatology, Specialists
Hudson Dermatology, PC
Hudson Dermatology - Hudson
County:
Columbia
Accepting New Patients:
Yes
Language(s):
English
Gender:
Female
(518) 412-3300
98 Green Street
Suite 4
Hudson, NY 12534
Suite 4
Hudson, NY 12534
Online directory last updated on October 10, 2025
Download the Provider Directory (pdf), updated October 10, 2025
Page last updated on October 16, 2025
