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Accepting patients
Who is Dr. Johnston, Emergency Medicine Specialist in St. Helena, CA?
Dr. Duncan Johnston is an Emergency Medicine Specialist, who primarily practices in St. Helena, CA. He is board certified. Dr. Johnston is fluent in English, and is currently seeing new patients. Dr. Johnston’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnston’s office.
What languages does Dr. Johnston speak?
Dr. Johnston and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Johnston treat?
As a Emergency Medicine Specialist, Dr. Johnston 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. Johnston. 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:
- Sore Throat
- Strep Throat
- Streptococcal Infection
- Acute pharyngitis
- Throat inflammation
- Acute throat infection
- Bacterial Sore Throat
- Pharyngitis
- Strep Infection
ICD-10 Codes:
- J029: Acute pharyngitis, unspecified
- J020: Streptococcal pharyngitis
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Common Cold
- Upper Respiratory Infection
- Head Cold
- Cold Symptoms
ICD-10 Codes:
- J069: Acute upper respiratory infection, unspecified
Also known as:
- Dehydration
- Fluid and Electrolyte Balance
- Lack of Fluids
- Fluid Loss
- Body Water Depletion
ICD-10 Codes:
- E860: Dehydration
Also known as:
- Viral Infection
- Virus Infection
- Viral Illness
- Common Virus
ICD-10 Codes:
- B349: Viral infection, unspecified
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Also known as:
- Low Back Pain
- Back Pain
- Lumbago
- Lower Back Ache
- Backache
ICD-10 Codes:
- M5450: Low back pain, unspecified
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:
- Head Injury
- Head Injuries
- Head Trauma
- Cranial Injury
- Brain Injury
ICD-10 Codes:
- S0990XA: Unspecified injury of head, initial encounter
Also known as:
- Headache
- Head pain
- Cephalalgia
- Tension headache
ICD-10 Codes:
- R519: Headache, unspecified
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Tooth Abscess
- Abscess
- Gum Disease
- Dental abscess
- Tooth infection
- Periapical infection
ICD-10 Codes:
- K047: Periapical abscess without sinus
Also known as:
- Ear Infection
- Otitis Media
- Middle Ear Infection
- Ear Inflammation
ICD-10 Codes:
- H6691: Otitis media, unspecified, right ear
Also known as:
- Fever
- High temperature
- Pyrexia
- Elevated body temperature
ICD-10 Codes:
- R509: Fever, unspecified
Also known as:
- Other Tooth Problems
- Tooth Disorder
- Dental Issues
- Tooth Ailments
- Oral Health Problems
ICD-10 Codes:
- K0889: Other specified disorders of teeth and supporting structures
Also known as:
- Anxiety Disorder
- Anxiety
- General Anxiety
- Anxiety Problems
- Nervous Disorder
ICD-10 Codes:
- F419: Anxiety disorder, unspecified
Also known as:
- Skin Rash
- Rashes
- Skin Eruption
- Hives
- Dermatitis
- Skin Inflammation
ICD-10 Codes:
- R21: Rash and other nonspecific skin eruption
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
Does Dr. Johnston accept my insurance?
Dr. Johnston 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. Johnston accept in St. Helena, CA?
Dr. Johnston in St. Helena, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Adventist Health System
All Other Third Party
Blue Shield of California
Centene
Department of Defense / Tricare
Department of Veterans Affairs
Elevance Health Inc. (formerly Anthem)
Kaiser Permanente
Medicare
Partnership Health Plan
View All Insurances
Where is Dr. Johnston's office located?
What is Dr. Johnston's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Johnston's National Provider Identifier (NPI) number is 1669770574.
What common questions do patients ask about Dr. Johnston?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Johnston
What is Dr. Duncan Johnston's specialty?
Dr. Johnston is a Emergency Medicine Specialist near St. Helena, CA. An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries. Contact Dr. Johnston to book an appointment today.
Is this Dr. Duncan Johnston affiliated with a ranked Castle Connolly Top Hospital?
No, Johnston is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Adventist Health St. Helena. 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 Emergency Medicine Specialist?
Explore Emergency 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 Duncan Johnston accepting new patients in St. Helena, CA?
Yes, Dr. Duncan Johnston is accepting new patients at this time.
Does Dr. Duncan Johnston offer online booking?
Please contact Dr. Johnston's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Duncan Johnston?
Please contact Dr. Johnston's office for information regarding telehealth appointment availability or for scheduling assistance.
Other Emergency Medicine Specialist Near St. Helena, CA
DW
Accepting patientsDr. Deron Warren, DO is an Emergency Medicine Specialist, who primarily practices in St. Helena, CA. He is board certified.
Adventist Health - St Helena
10 Woodland Rd
St. Helena, CA 94574
EB
Accepting patientsDr. Evan Bloom, MD is an Emergency Medicine Specialist, who primarily practices in St. Helena, CA. He is board certified.
BS
Accepting patientsDr. Benjamin Stone, DO is an Emergency Medicine Specialist, who primarily practices in St. Helena, CA. He is board certified.
Connect with DR. Johnston
Sponsored
Adventist Health - St Helena
10 Woodland Rd
St. Helena, CA 94574