GS
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Sebastian, Family Medicine Specialist in Longview, WA?
Dr. Gerard Victor Sebastian, MD is a Family Medicine Specialist, who primarily practices in Longview, WA with 1 additional practice location. He is board certified. Dr. Sebastian is fluent in English, Filipino, and Pilipino, and is currently seeing new patients. Dr. Sebastian’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sebastian’s office.
What languages does Dr. Sebastian speak?
Dr. Sebastian and their clinical team can communicate with patients in the following languages:
English
Filipino
Pilipino
What conditions does Dr. Sebastian treat?
As a Family Medicine Specialist, Dr. Sebastian 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. Sebastian. 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:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Type 2 Diabetes
- Type 2 Diabetes with Diabetic Neuropathy
- Diabetes Type 2
- Type 2 diabetes
- Diabetic Nerve Problems
- Diabetic Neuropathy
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetic nerve damage
- Diabetes-related nerve pain
- Peripheral neuropathy from diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E1140: Type 2 diabetes mellitus with diabetic neuropathy, unspecified
Also known as:
- Lipid Disorder Screening
- Blood and Immune System Disorder Screening
- Health Screening
- Cholesterol Screening
- Fat Metabolism Disorder Screening
- Lipid Panel Test
- Blood Disorder Check
- Immune System Check-up
- Hematologic Screening
ICD-10 Codes:
- Z13220: Encounter for screening for lipoid disorders
- Z130: Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Screening for Other Viral Disease
- Health Screening
- Other Viral Infection Screening
- Miscellaneous Virus Test
- Non-COVID Viral Screening
ICD-10 Codes:
- Z1159: Encounter for screening for other viral diseases
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:
- Long-Term Insulin Use
- Diabetes Medicines
- Chronic insulin therapy
- Ongoing insulin treatment
- Insulin for diabetes
ICD-10 Codes:
- Z794: Long term (current) use of insulin
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:
- 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:
- Prostate Cancer Screening
- Prostate Cancer Screening (PDQ®)
- PSA Test
- Prostate Exam
- Prostate Cancer Check
ICD-10 Codes:
- 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:
- Other Metabolic Disorder Screening
- Health Screening
- Rare Metabolic Disease Screening
- Uncommon Metabolic Check
ICD-10 Codes:
- Z13228: Encounter for screening for other metabolic disorders
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
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:
- Low Potassium
- Fluid and Electrolyte Balance
- Potassium
- Hypokalemia
- Potassium Deficiency
ICD-10 Codes:
- E876: Hypokalemia
Also known as:
- Fatigue
- Tiredness
- Lack of energy
- Exhaustion
ICD-10 Codes:
- R5383: Other fatigue
Which procedures does Dr. Sebastian perform as a Family Medicine Specialist?
As a Family Medicine Specialist, procedures performed by a Dr. Gerard Victor Sebastian 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. Sebastian's office.
Does Dr. Sebastian accept my insurance?
Dr. Sebastian accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sebastian accept in Longview, WA?
Dr. Sebastian in Longview, WA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cambia (Regence)
CVS Health (formerly Aetna)
Express Scripts
First Administrators
Humana
Medicare
PacificSource
UnitedHealthcare
View All Insurances
Where is Dr. Sebastian's office located?
What is Dr. Sebastian's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sebastian's National Provider Identifier (NPI) number is 1790090611.
What common questions do patients ask about Dr. Sebastian?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sebastian
What is Dr. Gerard Victor Sebastian's specialty?
Dr. Sebastian is a Family Medicine Specialist near Longview, WA. 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. Sebastian to book an appointment today.
Is this Dr. Gerard Victor Sebastian affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Sebastian is affiliated with Peacehealth St. John 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 Gerard Victor Sebastian accepting new patients in Longview, WA?
Yes, Dr. Gerard Victor Sebastian is accepting new patients at this time.
Does Dr. Gerard Victor Sebastian offer online booking?
Please contact Dr. Sebastian's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gerard Victor Sebastian?
Please contact Dr. Sebastian's office for information regarding telehealth appointment availability or for scheduling assistance.
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