Accepting patients
Online booking
Telehealth
Who is Dr. Tonthat, Internist in Herndon, VA?
Dr. Han Tonthat, MD is an Internist, who primarily practices in Herndon, VA. He is board certified. Dr. Tonthat graduated from Eastern Virginia Medical School and completed his residency at Va Commonwealth U Mcv Sch Med, Internal Medicine; York Hosp, Internal Medicine. Dr. Tonthat is fluent in English, Spanish, and Vietnamese, and is currently seeing new patients. Dr. Tonthat’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tonthat’s office at (703) 840-0610.
Where did Dr. Tonthat go to medical school and complete their residency?
Residency: Va Commonwealth U Mcv Sch Med, Internal Medicine; York Hosp, Internal Medicine
Medical School: Eastern Virginia Medical School
What languages does Dr. Tonthat speak?
Dr. Tonthat and their clinical team can communicate with patients in the following languages:
English
Spanish
Vietnamese
What conditions does Dr. Tonthat treat?
As a Internist, Dr. Tonthat 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. Tonthat. 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:
- Type 2 Diabetes with High Blood Sugar
- Diabetes Type 2
- Hyperglycemia
- Type 2 diabetes
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
ICD-10 Codes:
- E1165: Type 2 diabetes mellitus with hyperglycemia
Also known as:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- High Fasting Blood Sugar
- Blood Glucose
- Impaired Fasting Glucose
- Prediabetes (Fasting)
- Borderline Diabetes (Fasting)
ICD-10 Codes:
- R7301: Impaired fasting glucose
Also known as:
- Adjustment Disorder with Anxiety
- Adjustment Disorder with Mixed Anxiety and Depression
- Mental Disorder
- Stress-Related Anxiety
- Anxiety from Life Changes
- Situational Anxiety
- Stress-Related Anxiety and Depression
- Mixed Mood Adjustment Disorder
- Emotional Distress from Stress
ICD-10 Codes:
- F4322: Adjustment disorder with anxiety
- F4323: Adjustment disorder with mixed anxiety and depressed mood
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:
- Seasonal Allergies
- Allergy
- Hay fever
- Seasonal allergic rhinitis
- Pollen allergy
ICD-10 Codes:
- J302: Other seasonal allergic rhinitis
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:
- Common Cold
- Upper Respiratory Infection
- Head Cold
- Cold Symptoms
ICD-10 Codes:
- J069: Acute upper respiratory infection, unspecified
Also known as:
- Upper Abdominal Pain
- Pelvic Pain
- Abdominal Pain
- Upper stomach pain
- Pain in upper belly
- Epigastric discomfort
- Lower belly pain
- Pain in lower abdomen
- Abdominal discomfort
ICD-10 Codes:
- R1010: Upper abdominal pain, unspecified
- R1030: Lower abdominal pain, 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:
- Nutritional Anemia
- Anemia
- Dietary Anemia
- Malnutrition Anemia
- Vitamin Deficiency Anemia
ICD-10 Codes:
- D539: Nutritional anemia, unspecified
Also known as:
- Type 1 Diabetes with High Blood Sugar
- Diabetes Type 1
- Hyperglycemia
- Type 1 diabetes
- Diabetic Hyperglycemia
- High Glucose in Type 1 Diabetes
- High Blood Sugar Episode
ICD-10 Codes:
- E1065: Type 1 diabetes mellitus with hyperglycemia
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Severe Obesity
- Obesity
- Helping Your Child Who Is Overweight
- Take Charge of Your Health: A Guide for Teenagers
- Understanding Adult Overweight & Obesity
- Morbid Obesity
- Extreme Obesity
- Class 3 Obesity
ICD-10 Codes:
- E6601: Morbid (severe) obesity due to excess calories
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:
- Painful Urination
- Pain
- Urine and Urination
- Dysuria
- Pain when peeing
- Burning urination
ICD-10 Codes:
- R309: Painful micturition, unspecified
Also known as:
- Cough Variant Asthma
- Asthma
- CVA
- Asthma with Cough
- Chronic Cough Asthma
ICD-10 Codes:
- J45991: Cough variant asthma
Which procedures does Dr. Tonthat perform as a Internist?
As a Internist, procedures performed by an Dr. Han Tonthat 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. Tonthat's office.
Does Dr. Tonthat accept my insurance?
Dr. Tonthat accepts most major insurance plans. Important: Please call our office at (703) 840-0610 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tonthat accept in Herndon, VA?
Dr. Tonthat in Herndon, VA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Allied Benefit Systems
Carefirst BlueCross BlueShield
Cigna
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Medicaid
Medicare
State of Virginia
UnitedHealthcare
View All Insurances
Where is Dr. Tonthat's office located?
Dr. Han Tonthat also offers virtual visits
Dr. Han Tonthat's Primary Practice
1035 Sterling Rd Ste 104
Herndon, VA 20170
(703) 840-0610
Would you like to schedule an appointment with Dr. Han Tonthat?
Dr. Tonthat has appointments available at his Herndon, VA office. Please select a date and time below.
What is Dr. Tonthat's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tonthat's National Provider Identifier (NPI) number is 1801897335.
What common questions do patients ask about Dr. Tonthat?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tonthat
What is Dr. Han Tonthat's specialty?
Dr. Tonthat is a Internist near Herndon, VA.
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. Tonthat to book an appointment today.Is this Dr. Han Tonthat affiliated with a ranked Castle Connolly Top Hospital?
No, Tonthat is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Han Tonthat accepting new patients in Herndon, VA?
Yes, Dr. Han Tonthat is accepting new patients at this time.
Does Dr. Han Tonthat offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Tonthat, or call (703) 840-0610 for more information.
How can I make an appointment with Han Tonthat?
Yes, Dr. Tonthat offers telehealth appointments. You can use online booking to schedule a telehealth appointment with Dr. Tonthat, or call (703) 840-0610 for more information.
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