
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Nicastri, Geriatric Medicine Specialist in East Setauket, NY?
Dr. Catherine Nicastri, MD is a Geriatric Medicine Specialist, who primarily practices in East Setauket, NY. She is board certified. Dr. Nicastri graduated from Stony Brook University School of Medicine and completed her residency at Univ Hosp-Suny Stony Brook, Geriatric Medicine-Internal Medicine; Univ Hosp-Suny Stony Brook, Internal Medicine. Dr. Nicastri is fluent in English, and is currently seeing new patients. Dr. Nicastri’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nicastri’s office.
What are Areas of Expertise for Dr. Nicastri?
Dr. Catherine Nicastri, MD is a highly-rated, board-certified Geriatric Medicine Specialist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Nicastri empowers patients to confidently navigate their health journey, specializing in Chronic Illness, Preventive Medicine, and comprehensive wellness support. Serving the East Setauket, NY community, Dr. Nicastri is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Nicastri go to medical school and complete their residency?
Residency: Univ Hosp-Suny Stony Brook, Geriatric Medicine-Internal Medicine; Univ Hosp-Suny Stony Brook, Internal Medicine | University Hospital SUNY Stony Brook
Medical School: Suny At Stony Brook Hlth Sci Ctr, Stony Brook Ny | State University of New York / Health Science Center At Stony Brook | Stony Brook University School of Medicine
Is Dr. Nicastri board certified as a Geriatric Medicine Specialist?
Yes, Dr. Catherine Nicastri, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Nicastri speak?
Dr. Nicastri and their clinical team can communicate with patients in the following languages:
English
What conditions does a Geriatric Medicine Specialist like Dr. Nicastri typically treat?
As a Geriatric Medicine Specialist, Dr. Nicastri diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Nicastri. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- High Blood Pressure Heart Disease with Heart Failure
- Heart Failure
- High Blood Pressure
- Hypertensive Heart Failure
- High Blood Pressure Causing Heart Failure
ICD-10 Codes:
- I110: Hypertensive heart disease with heart failure
Also known as:
- Osteoarthritis of both knees
- Osteoarthritis
- Degenerative joint disease
- Wear-and-tear arthritis
- Arthrosis
- Joint degeneration
ICD-10 Codes:
- M170: Bilateral primary osteoarthritis of knee
Also known as:
- Multiple Sclerosis
- MS
- Demyelinating Disease
ICD-10 Codes:
- G35: Multiple sclerosis
Also known as:
- High Blood Pressure Heart and Kidney Disease with Heart Failure
- Chronic Kidney Disease
- Heart Failure
- High Blood Pressure
- Hypertensive Cardiorenal Syndrome
- Heart and Kidney Failure from High Blood Pressure
ICD-10 Codes:
- I130: Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Does Dr. Nicastri accept my insurance?
Dr. Nicastri accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Nicastri accept in East Setauket, NY?
Dr. Nicastri in East Setauket, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene Corporation
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Medicaid
Medicare
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Nicastri's office located?

Stony Brook Internists - General Medicine and Geriatrics
205 North Belle Mead Road
East Setauket, NY 11733
What is Dr. Nicastri's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nicastri's National Provider Identifier (NPI) number is 1093730269.
What common questions do patients ask about Dr. Nicastri?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nicastri
What is Dr. Catherine Nicastri's specialty?
Dr. Nicastri is a Geriatric Medicine Specialist near East Setauket, NY.
What does a Geriatric Medicine Specialist do?
An internist or family medicine physician with expertise in the aging process and specialized skills in diagnosing, treating, preventing, and managing illnesses in the elderly. This specialist provides care for geriatric patients in various settings, including the home, office, nursing homes, and hospitals.
Is this Dr. Catherine Nicastri affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Nicastri is affiliated with Stony Brook University Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Geriatric Medicine Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Geriatric Medicine Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Catherine Nicastri accepting new patients in East Setauket, NY?
Yes, Dr. Catherine Nicastri is accepting new patients at this time.
Does Dr. Catherine Nicastri offer online booking?
Please contact Dr. Nicastri's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Catherine Nicastri?
Please contact Dr. Nicastri's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Catherine Nicastri have?
Dr. Catherine Nicastri is certified by the American Board of Internal Medicine.
Other Geriatric Medicine Specialist Near East Setauket, NY

Dr. Kimberly Kranz, MD is an Internist, who primarily practices in East Setauket, NY. She is board certified.

Stony Brook Internists - General Medicine and Geriatrics
205 North Belle Mead Road
East Setauket, NY 11733
IH
Geriatric Medicine Specialist
Dr. Irene Hwu, MD is a Geriatric Medicine Specialist, who primarily practices in East Setauket, NY with 2 additional practice locations. She is board certified.
East Setauket, NY
SM
Geriatric Medicine Specialist
Dr. Samira Mohsin is a Geriatric Medicine Specialist, who primarily practices in New Hyde Park, NY with 2 additional practice locations.
New Hyde Park, NY
Connect with DR. Nicastri
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Stony Brook Internists - General Medicine and Geriatrics
205 North Belle Mead Road
East Setauket, NY 11733