Who is Dr. Allen, Internist in Smithtown, NY?
Dr. Marc Allen, DO is an Internist, who primarily practices in Smithtown, NY with 1 additional practice location. He is board certified by the American Board of Internal Medicine. Dr. Allen graduated from New York Institute of Technology College of Osteopathic Medicine and completed his residency at North Shore Univ Hosp, Internal Medicine. Dr. Allen is fluent in English and Spanish, and is currently seeing new patients. Dr. Allen’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Allen’s office at (631) 543-8844.
Where did Dr. Allen go to medical school and complete their residency?
Residency: North Shore Univ Hosp, Internal Medicine | NSLIJHS/Hofstra North Shore-LIJ School of Medicine at North Shore University Hospital Program
Medical School: Ny Coll Of Osteo Med Of Ny Inst Of Tech- Old Westbury Ny | New York Institute of Technology College of Osteopathic Medicine
Is Dr. Allen board certified in Internist?
Yes, Dr. Marc Allen, DO is board certified by the American Board of Internal Medicine
What languages does Dr. Allen speak?
Dr. Allen and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Allen treat?
As a Internist, Dr. Allen 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. Allen. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, unspecified
- E785: Hyperlipidemia, unspecified
Also known as:
- Adult Health Checkup with Abnormal Findings
- Health Checkup
- Adult Physical Exam with Issues
- Routine Checkup with Concerns
- General Medical Exam with Abnormal Results
ICD-10 Codes:
- Z0001: Encounter for general adult medical examination with abnormal findings
Also known as:
- General Health Screening
- Health Screening
- Routine Check-up
- Preventive Health Exam
- Wellness Screening
ICD-10 Codes:
- Z139: Encounter for screening, unspecified
Also known as:
- Prediabetes
- Insulin Resistance & Prediabetes
- Borderline diabetes
- Insulin resistance
- High blood sugar (not yet diabetes)
ICD-10 Codes:
- R7303: Prediabetes
Also known as:
- Peripheral Artery Disease
- PVD
- PAD
- Poor Circulation in Legs
- Blocked Leg Arteries
ICD-10 Codes:
- I739: Peripheral vascular disease, unspecified
Also known as:
- Viral Infection Exposure
- Viral Infection
- Viral Disease Contact
- Suspected Viral Infection
- Exposure to Viruses
ICD-10 Codes:
- Z20828: Contact with and (suspected) exposure to other viral communicable diseases
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
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:
- 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:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Carotid Artery Disease
- Carotid Stenosis
- Blocked Carotid Artery
- Neck Artery Disease
- Carotid Artery Narrowing
ICD-10 Codes:
- I6523: Occlusion and stenosis of bilateral carotid arteries
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:
- 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
Also known as:
- Heart Palpitations
- Arrhythmia
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
ICD-10 Codes:
- R002: Palpitations
Also known as:
- Mixed Hearing Loss
- Hearing Disorder and Deafness
- Nonsyndromic hearing loss
- Combined Hearing Loss
- Conductive and Nerve Hearing Loss
- Mixed Type Hearing Loss
ICD-10 Codes:
- H906: Mixed conductive and sensorineural hearing loss, bilateral
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
Which procedures does Dr. Allen perform as a Internist?
As a Internist, procedures performed by an Dr. Marc Allen may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
For detailed information, please contact Dr. Allen's office.
Does Dr. Allen accept my insurance?
Dr. Allen accepts most major insurance plans. Important: Please call our office at (631) 543-8844 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Allen accept in Smithtown, NY?
Dr. Allen 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)
EmblemHealth
Medicaid
Medicare
National Benefit Fund
Service Employees International Union (SEIU)
State of Maine
UnitedHealthcare
View All Insurances
Ratings & Reviews
5.0
Overall rating
Based on 1 reviews
Office Experience
100% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
100% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
100% of patients were satisfied with the wait time
Appointment Booking
100% of patients found it easy to book an appointment
Patients give Dr. Marc Allen an Excellent overall experience rating of 5 out of 5 stars. Dr. Allen has been rated and reviewed by 1 patient. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Allen, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsWhat is Dr. Allen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Allen's National Provider Identifier (NPI) number is 1356309892.
What common questions do patients ask about Dr. Allen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Allen
What is Dr. Marc Allen's specialty?
Dr. Allen is a Internist near Smithtown, NY.
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Contact Dr. Allen to book an appointment today.Is this Dr. Marc Allen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Allen 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 Internist?
Explore Internist 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 Marc Allen accepting new patients in Smithtown, NY?
Yes, Dr. Marc Allen is accepting new patients at this time.
Does Dr. Marc Allen offer online booking?
Please contact Dr. Allen's office at (631) 543-8844 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Marc Allen?
Please contact Dr. Allen's office at (631) 543-8844 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Marc Allen have?
Dr. Marc Allen is certified by the American Board of Internal Medicine.
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