AT
17 Years of Experience
Accepting patients
Who is Dr. Tzellas, Internist in Napa, CA?
Dr. Andrew Tzellas, MD is an Internist, who primarily practices in Napa, CA with 2 additional practice locations. He has been practicing for over 17 years and is board certified by the American Board of Internal Medicine. Dr. Tzellas graduated from University of Massachusetts Med School. Dr. Tzellas is fluent in English, French, Spanish, and Thai, and is currently seeing new patients. Dr. Tzellas’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tzellas’s office at (360) 565-0999.
Where did Dr. Tzellas go to medical school and complete their residency?
Medical School: University of Massachusetts Med School
Is Dr. Tzellas board certified in Internist?
Yes, Dr. Andrew Tzellas, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Tzellas speak?
Dr. Tzellas and their clinical team can communicate with patients in the following languages:
English
French
Spanish
Thai
What conditions does Dr. Tzellas treat?
As a Internist, Dr. Tzellas 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. Tzellas. 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:
- Routine Blood Pressure Check (Normal Findings)
- Vital Signs
- Normal BP reading
- Blood pressure screening, all clear
- Healthy blood pressure check
ICD-10 Codes:
- Z0130: Encounter for examination of blood pressure without abnormal findings
Also known as:
- Type 2 Diabetes
- Type 2 Diabetes with High Blood Sugar
- Diabetes Type 2
- Type 2 diabetes
- Hyperglycemia
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E1165: Type 2 diabetes mellitus with hyperglycemia
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Depression Screening
- Depression
- Health Screening
- Depression Test
- Mental Health Check for Depression
- Mood Disorder Screening
ICD-10 Codes:
- Z1331: Encounter for screening for depression
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 Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Colon Cancer Screening
- Prostate Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Prostate Cancer Screening (PDQ®)
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
- PSA Test
- Prostate Exam
- Prostate Cancer Check
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
- Z125: Encounter for screening for malignant neoplasm of prostate
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, 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:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
Also known as:
- General Disorder Screening
- Health Screening
- General Health Check
- Disease Screening
- Medical Disorder Screening
ICD-10 Codes:
- Z1389: Encounter for screening for other disorder
Also known as:
- Sore Throat
- Acute pharyngitis
- Throat inflammation
- Acute throat infection
ICD-10 Codes:
- J029: Acute pharyngitis, unspecified
Also known as:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
Also known as:
- Fast Heartbeat
- Arrhythmia
- Tachycardia
- Rapid heart rate
- Racing heart
ICD-10 Codes:
- R000: Tachycardia, unspecified
Also known as:
- Pain in Right Knee
- Knee Injuries and Disorder
- Pain
- Right Knee Ache
- Right Knee Discomfort
- Sore Right Knee
ICD-10 Codes:
- M25561: Pain in right knee
Also known as:
- Tobacco Use
- Smokeless Tobacco
- Smoking
- Smoking habit
- Nicotine use
- Tobacco dependency
ICD-10 Codes:
- Z720: Tobacco use
Which procedures does Dr. Tzellas perform as a Internist?
As a Internist, procedures performed by an Dr. Andrew Tzellas 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. Tzellas' office.
Does Dr. Tzellas accept my insurance?
Dr. Tzellas accepts most major insurance plans. Important: Please call our office at (360) 565-0999 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tzellas accept in Napa, CA?
Dr. Tzellas in Napa, CA 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)
Humana
Medicare
Other Provider Networks
Partnership Health Plan
St. Joseph Health System (CA)
State of Connecticut
UnitedHealthcare
Western Growers Association
View All Insurances
Where is Dr. Tzellas' office located?
Dr. Andrew Tzellas' Primary Practice
1141 Pear Tree Ln Ste 100
Napa, CA 94558
(360) 565-0999
What is Dr. Tzellas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tzellas's National Provider Identifier (NPI) number is 1003996042.
What common questions do patients ask about Dr. Tzellas?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tzellas
What is Dr. Andrew Tzellas's specialty?
Dr. Tzellas is a Internist near Napa, CA.
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. Tzellas to book an appointment today.Is this Dr. Andrew Tzellas affiliated with a ranked Castle Connolly Top Hospital?
No, Tzellas is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Providence Queen Of The Valley Medical Center. 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 Andrew Tzellas accepting new patients in Napa, CA?
Yes, Dr. Andrew Tzellas is accepting new patients at this time.
Does Dr. Andrew Tzellas offer online booking?
Please contact Dr. Tzellas's office at (360) 565-0999 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Andrew Tzellas?
Please contact Dr. Tzellas's office at (360) 565-0999 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Andrew Tzellas have?
Dr. Andrew Tzellas is certified by the American Board of Internal Medicine.
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