JD
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Dayton, Emergency Medicine Specialist in Stanford, CA?
Dr. John Robert Dayton, MD is an Emergency Medicine Specialist, who primarily practices in Stanford, CA with 2 additional practice locations. He is board certified. Dr. Dayton is fluent in English, and is currently seeing new patients. Dr. Dayton’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Dayton’s office at (650) 723-4000.
Is Dr. Dayton board certified as an Emergency Medicine Specialist?
Yes, Dr. John Robert Dayton, MD is board certified by the American Board of Emergency Medicine
What languages does Dr. Dayton speak?
Dr. Dayton and their clinical team can communicate with patients in the following languages:
English
What conditions does an Emergency Medicine Specialist like Dr. Dayton typically treat?
As an Emergency Medicine Specialist, Dr. Dayton 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. Dayton. 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. Learn more about our claims-based healthcare methodology.
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:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Also known as:
- Headache
- Head pain
- Cephalalgia
- Tension headache
ICD-10 Codes:
- R519: Headache, unspecified
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Also known as:
- Non-Infectious Gastroenteritis and Colitis
- Digestive Disease
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- K529: Noninfective gastroenteritis and colitis, unspecified
Also known as:
- Widespread Abdominal Pain
- Abdominal Pain
- General stomach pain
- Overall belly pain
- Diffuse abdominal pain
ICD-10 Codes:
- R1084: Generalized abdominal pain
Also known as:
- Head Injury
- Head Injuries
- Head Trauma
- Cranial Injury
- Brain Injury
ICD-10 Codes:
- S0990XA: Unspecified injury of head, initial encounter
What procedures does an Emergency Medicine Specialist like Dr. Dayton typically perform?
As an Emergency Medicine Specialist, procedures performed by Dr. John Robert Dayton may include:
- Emergency Consultation
- Emergency Follow Up
- Emergency Medicine Consultation
- Removal of Foreign Object from Body
- Urgent Care Consultation
- Urgent Care Follow Up
Please contact Dr. Dayton's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Dayton accept my insurance?
Dr. Dayton accepts most major insurance plans. Important: Please call our office at (650) 723-4000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Dayton accept in Stanford, CA?
Dr. Dayton in Stanford, 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
Cambia Health Solutions
Cigna Group
Federal government of the United States
Humana
Medicaid
Medicare
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Dayton's office located?
Dr. John Robert Dayton's Primary Practice
300 Pasteur Dr
Stanford, CA 94305
(650) 723-4000
What is Dr. Dayton's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Dayton's National Provider Identifier (NPI) number is 1285801704.
What common questions do patients ask about Dr. Dayton?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Dayton
What is Dr. John Robert Dayton's specialty?
Dr. Dayton is a Emergency Medicine Specialist near Stanford, CA.
What does an Emergency Medicine Specialist do?
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.
Is this Dr. John Robert Dayton affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Dayton is affiliated with Stanford Health Care - Stanford Hospital, Utah Valley Hospital, Commonspirit - Holy Cross Hospital - Jordan Valley, Ucsf Health Saint Francis Hospital which are a Castle Connolly Top Hospitals. 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
When to see an Emergency Medicine Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Emergency Medicine Specialist. Explore 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 John Robert Dayton accepting new patients in Stanford, CA?
Yes, Dr. John Robert Dayton is accepting new patients at this time.
Does Dr. John Robert Dayton offer online booking?
Please contact Dr. Dayton's office at (650) 723-4000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Robert Dayton?
Please contact Dr. Dayton's office at (650) 723-4000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Robert Dayton have?
Dr. John Robert Dayton is certified by the American Board of Emergency Medicine.
Other Emergency Medicine Specialist Near Stanford, CA
EG
Emergency Medicine Specialist
Dr. Erin Gillis, MD is an Emergency Medicine Specialist, who primarily practices in Burlingame, CA with 1 additional practice location. She has been practicing for over 14 years and is board certified.
Burlingame, CA

Emergency Medicine Specialist
Dr. Laleh Gharahbaghian, MD is an Emergency Medicine Specialist, who primarily practices in Stanford, CA. She has been practicing for over 15 years.
Stanford, CA

Emergency Medicine Specialist
Dr. Rebecca Smith-Coggins, MD is an Emergency Medicine Specialist, who primarily practices in Stanford, CA with 1 additional practice location. She has been practicing for over 36 years.
Stanford, CA