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Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Leonard, Emergency Medicine Specialist in Stony Brook, NY?
Dr. Marshall Leonard, MD is an Emergency Medicine Specialist, who primarily practices in Stony Brook, NY with 1 additional practice location. Dr. Leonard is fluent in English, and is currently seeing new patients. Dr. Leonard’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Leonard’s office at (631) 444-2478.
What languages does Dr. Leonard speak?
Dr. Leonard and their clinical team can communicate with patients in the following languages:
English
What conditions does an Emergency Medicine Specialist like Dr. Leonard typically treat?
As an Emergency Medicine Specialist, Dr. Leonard 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. Leonard. 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:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Other Tooth Problems
- Tooth Disorder
- Dental Issues
- Tooth Ailments
- Oral Health Problems
ICD-10 Codes:
- K0889: Other specified disorders of teeth and supporting structures
Also known as:
- COVID-19
- COVID-19 (Coronavirus Disease 2019)
- Coronavirus Disease 2019
- SARS-CoV-2 Infection
- Novel Coronavirus
ICD-10 Codes:
- U071: COVID-19
Also known as:
- Low Back Pain
- Back Pain
- Lumbago
- Lower Back Ache
- Backache
ICD-10 Codes:
- M5450: Low back pain, unspecified
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Also known as:
- Headache
- Head pain
- Cephalalgia
- Tension headache
ICD-10 Codes:
- R519: Headache, unspecified
What procedures does an Emergency Medicine Specialist like Dr. Leonard typically perform?
As an Emergency Medicine Specialist, procedures performed by Dr. Marshall Leonard may include:
- Emergency Consultation
- Emergency Follow Up
- Emergency Medicine Consultation
- Removal of Foreign Object from Body
- Urgent Care Consultation
- Urgent Care Follow Up
Please contact Dr. Leonard's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Leonard accept my insurance?
Dr. Leonard accepts most major insurance plans. Important: Please call our office at (631) 444-2478 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Leonard accept in Stony Brook, NY?
Dr. Leonard in Stony Brook, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Federal government of the United States
Medicare
Molina Healthcare
Service Employees International Union (SEIU)
UnitedHealth Group
View All Insurances
Where is Dr. Leonard's office located?
Dr. Marshall Leonard's Primary Practice
100 Nicolls Rd Rm 50
Stony Brook, NY 11794
(631) 444-2478
What is Dr. Leonard's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Leonard's National Provider Identifier (NPI) number is 1902255318.
What common questions do patients ask about Dr. Leonard?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Leonard
What is Dr. Marshall Leonard's specialty?
Dr. Leonard is a Emergency Medicine Specialist near Stony Brook, NY.
What does an Emergency Medicine Specialist do?
An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries.
Is this Dr. Marshall Leonard affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Leonard is affiliated with Stony Brook University Hospital, Mather Hospital which are a Castle Connolly Top Hospitals. 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 an Emergency Medicine Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Emergency 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 Marshall Leonard accepting new patients in Stony Brook, NY?
Yes, Dr. Marshall Leonard is accepting new patients at this time.
Does Dr. Marshall Leonard offer online booking?
Please contact Dr. Leonard's office at (631) 444-2478 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Marshall Leonard?
Please contact Dr. Leonard's office at (631) 444-2478 for information regarding telehealth appointment availability or for scheduling assistance.
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