33 Years of Experience
Accepting patients
Online booking
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Jagust, Family Medicine Specialist in Smithtown, NY?
Dr. Mark Jagust, MD is a Family Medicine Specialist, who primarily practices in Smithtown, NY with 2 additional practice locations. He has been practicing for over 33 years and is board certified by the American Board of Family Medicine. Dr. Jagust graduated from St. George's University School of Medicine and completed his residency at Southside Hosp, Family Medicine. Dr. Jagust is fluent in English and French, and is currently seeing new patients. Dr. Jagust’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Jagust’s office at (631) 467-3564.
What are Areas of Expertise for Dr. Jagust?
Dr. Mark Jagust, MD is a highly-rated, board-certified Family Medicine Specialist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Jagust empowers patients to confidently navigate their health journey, specializing in Primary Care, or comprehensive wellness support. Serving the Smithtown/NY community, Dr. Jagust is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Jagust go to medical school and complete their residency?
Residency: Southside Hosp, Family Medicine | NSLIJHS/Hofstra North Shore-LIJ School of Medicine at Southside Hospital Program
Medical School: St George',s University | St. George's University School of Medicine
Is Dr. Jagust board certified in Family Medicine Specialist?
Yes, Dr. Mark Jagust, MD is board certified by the American Board of Family Medicine
What languages does Dr. Jagust speak?
Dr. Jagust and their clinical team can communicate with patients in the following languages:
English
French
What conditions does Dr. Jagust treat?
As a Family Medicine Specialist, Dr. Jagust 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. Jagust. 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.
Also known as:
- Chronic Fatigue Syndrome (CFS)
- Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
- Myalgic encephalomyelitis (ME)
- Long-term tiredness
- Persistent fatigue
ICD-10 Codes:
- R5382: Chronic fatigue, unspecified
Also known as:
- Cardiovascular Disorder Screening
- Health Screening
- Heart Disease Screening
- Vascular Disease Check
- Cardiac Screening
ICD-10 Codes:
- Z136: Encounter for screening for cardiovascular disorders
Also known as:
- Other Specific Abnormal Blood Chemistry Results
- Blood
- Specified Blood Chemistry Imbalance
- Unusual Blood Chemistry Findings
- Specific Blood Panel Abnormalities
ICD-10 Codes:
- R7989: Other specified abnormal findings of blood chemistry
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Vitamin B Deficiency
- B Vitamins
- Malnutrition
- B Vitamin Shortage
- Lack of B Vitamins
- Low B Vitamins
ICD-10 Codes:
- E539: Vitamin B deficiency, unspecified
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Anxiety Disorder
- Anxiety
- General Anxiety
- Anxiety Problems
- Nervous Disorder
ICD-10 Codes:
- F419: Anxiety disorder, unspecified
Also known as:
- Vitamin D Deficiency
- Low Vitamin D Levels
- Lack of Vitamin D
- Hypovitaminosis D
ICD-10 Codes:
- E559: Vitamin D deficiency, unspecified
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
Also known as:
- Intestinal Malabsorption
- Malabsorption Syndromes
- Nutrient Malabsorption
- Digestive Malabsorption
- Malabsorption Disorder
ICD-10 Codes:
- K909: Intestinal malabsorption, unspecified
Also known as:
- Obesity
- Take Charge of Your Health: A Guide for Teenagers
- Excess Weight
- Being Overweight
- High BMI
ICD-10 Codes:
- E669: Obesity, unspecified
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Elevated PSA Level
- Prostate Cancer Screening
- Prostate Disease
- Prostate-Specific Antigen (PSA) Test
- Prostate Problems
- High Prostate Specific Antigen
- Abnormal PSA Test
- Increased PSA
ICD-10 Codes:
- R9720: Elevated prostate specific antigen [PSA]
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Unspecified Bleeding Disorder
- Bleeding Disorder
- Coagulation Disorder
- Clotting Problem
ICD-10 Codes:
- D689: Coagulation defect, unspecified
Also known as:
- Asthma
- Reactive Airway Disease
- Bronchial Asthma
- Allergic Asthma
ICD-10 Codes:
- J45909: Unspecified asthma, uncomplicated
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Which procedures does Dr. Jagust perform as a Family Medicine Specialist?
As a Family Medicine Specialist, procedures performed by a Dr. Mark Jagust may include:
- ALCAT Testing
- Joint Injection
- Medication Assisted Treatment (MAT)
- Nebulizer Treatment
- OB Consultation
- Ozone Injection
- Post-Surgery Checkup
- Tetanus Shot
For detailed information, please contact Dr. Jagust's office.
Does Dr. Jagust accept my insurance?
Dr. Jagust accepts most major insurance plans. Important: Please call our office at (631) 467-3564 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Jagust accept in Smithtown, NY?
Dr. Jagust in Smithtown, 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
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Humana
Medicare
Oscar Health Insurance Co
Service Employees International Union (SEIU)
United American Healthcare Corp (UAHC)
UnitedHealthcare
View All Insurances
Where is Dr. Jagust's office located?
Would you like to schedule an appointment with Dr. Mark Jagust?
Dr. Jagust has appointments available at his Smithtown, NY office, as well as 2 other locations. Please select a location, date, and time below.
What is Dr. Jagust's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Jagust's National Provider Identifier (NPI) number is 1467493494.
What common questions do patients ask about Dr. Jagust?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Jagust
What is Dr. Mark Jagust's specialty?
Dr. Jagust is a Family Medicine Specialist near Smithtown, NY. Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care. Contact Dr. Jagust to book an appointment today.
Is this Dr. Mark Jagust affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Jagust is affiliated with Peconic Bay Medical Center 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
Where can I learn more about Family Medicine Specialist?
Explore Family Medicine Specialist with 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 Mark Jagust accepting new patients in Smithtown, NY?
Yes, Dr. Mark Jagust is accepting new patients at this time.
Does Dr. Mark Jagust offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Jagust, or call (631) 467-3564 for more information.
How can I make an appointment with Mark Jagust?
Please contact Dr. Jagust's office at (631) 467-3564 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mark Jagust have?
Dr. Mark Jagust is certified by the American Board of Family Medicine.
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