Dr. John Oneil, MD
Santa Clara, CA
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Oneil, Primary Care Specialist (General Practitioner) in Santa Clara, CA?
Dr. John Oneil, MD is a Primary Care Specialist (General Practitioner), who primarily practices in Santa Clara, CA with 1 additional practice location. Dr. Oneil is fluent in English, and is currently seeing new patients. Dr. Oneil’s practice accepts Kaiser Permanente and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Oneil’s office at (408) 244-1834.
What languages does Dr. Oneil speak?
Dr. Oneil and their clinical team can communicate with patients in the following languages:
English
What conditions does a Primary Care Specialist (General Practitioner) like Dr. Oneil typically treat?
As a Primary Care Specialist (General Practitioner), Dr. Oneil 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. Oneil. 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 here.
Also known as:
- Therapeutic Drug Monitoring
- Drug level testing
- Medication monitoring
- Therapeutic drug management
ICD-10 Codes:
- Z5181: Encounter for therapeutic drug level monitoring
Also known as:
- Pre-Procedure Lab Tests
- Pre-op blood work
- Lab tests before surgery
- Pre-treatment lab assessment
ICD-10 Codes:
- Z01812: Encounter for preprocedural laboratory examination
Also known as:
- Alcohol Use Disorder
- Alcohol Use Disorder with Withdrawal
- Alcohol Use Disorder (AUD)
- Alcohol use disorder
- Alcohol dependence
- Alcoholism
- Problem drinking
- AUD
- Alcohol withdrawal syndrome
- Alcohol dependence withdrawal
- Alcohol detox
ICD-10 Codes:
- F1020: Alcohol dependence, uncomplicated
- F10239: Alcohol dependence with withdrawal, unspecified
Also known as:
- Long-Term Opioid Pain Reliever Use
- Other Long-Term Drug Therapy
- Pain Relievers
- Chronic opioid therapy
- Ongoing narcotic pain medication
- Opioid analgesic use
- Chronic medication use
- Ongoing drug treatment
- Extended drug therapy
ICD-10 Codes:
- Z79891: Long term (current) use of opiate analgesic
- Z79899: Other long term (current) drug therapy
Also known as:
- Opioid Dependence
- Opioid Withdrawal
- Opioids and Opioid Use Disorder (OUD)
- Prescription Drug Misuse
- Opioid addiction
- Opioid use disorder
- OUD
- Opioid detox
- Opioid withdrawal syndrome
- Coming off opioids
ICD-10 Codes:
- F1120: Opioid dependence, uncomplicated
- F1123: Opioid dependence with withdrawal
Also known as:
- Observation for Other Ruled Out Condition (General)
- Monitoring for Various Suspected Illnesses
- General Observation for Excluded Conditions
- Broad Diagnostic Observation
ICD-10 Codes:
- Z0389: Encounter for observation for other suspected diseases and conditions ruled out
Also known as:
- Stimulant Addiction with Withdrawal Symptoms
- Stimulant Addiction in Recovery
- Drug Use and Addiction
- Stimulant Detox
- Coming Off Stimulants
- Stimulant Substance Use Disorder with Withdrawal
- Stimulant Cessation Symptoms
- Stimulant Substance Use Disorder in Remission
- Recovering from Stimulant Addiction
- Past Stimulant Dependence
- Former Stimulant User
ICD-10 Codes:
- F1523: Other stimulant dependence with withdrawal
- F1521: Other stimulant dependence, in remission
Also known as:
- Stimulant Dependence
- Drug Use and Addiction
- Stimulant Addiction
- Stimulant Drug Addiction
- Stimulant Use Disorder
ICD-10 Codes:
- F1520: Other stimulant dependence, uncomplicated
Also known as:
- Marijuana Dependence
- Marijuana
- Cannabis Dependence
- Marijuana Addiction
- Chronic Marijuana Use
ICD-10 Codes:
- F1220: Cannabis dependence, uncomplicated
Also known as:
- Other Chronic Pain Condition
- Chronic Pain
- Various chronic pain
- Unspecified long-term pain
- Persistent pain disorders
ICD-10 Codes:
- G8929: Other chronic pain
Also known as:
- Cocaine Dependence with Withdrawal
- Cocaine Dependence
- Cocaine
- Cocaine Withdrawal Syndrome
- Cocaine Detoxification
- Coming Off Cocaine
- Cocaine Addiction
- Cocaine Drug Problem
- Cocaine Use Disorder
ICD-10 Codes:
- F1423: Cocaine dependence with withdrawal
- F1420: Cocaine dependence, uncomplicated
What procedures does a Primary Care Specialist (General Practitioner) like Dr. Oneil typically perform?
As a Primary Care Specialist (General Practitioner), procedures performed by Dr. John Oneil may include:
Please contact Dr. Oneil's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Oneil accept my insurance?
Dr. Oneil accepts most major insurance plans. Important: Please call our office at (408) 244-1834 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Oneil accept in Santa Clara, CA?
Dr. Oneil in Santa Clara, 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
Centene Corporation
Contra Costa
Elevance Health Inc. (formerly Anthem)
Kaiser Permanente
Molina Healthcare
Other Health Care Provider
State of California
Unknown
Valley Health Plan
View All Insurances
Where is Dr. Oneil's office located?
Dr. John Oneil's Primary Practice
1659 Scott Blvd Ste 210
Santa Clara, CA 95050
(408) 244-1834
What is Dr. Oneil's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Oneil's National Provider Identifier (NPI) number is 1952573826.
What common questions do patients ask about Dr. Oneil?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Oneil
What is Dr. John Oneil's specialty?
Dr. Oneil is a Primary Care Specialist (General Practitioner) near Santa Clara, CA.
What does a Primary Care Specialist (General Practitioner) do?
A physician specializing in general practice is focused on diagnosing, treating, and managing patients with a wide range of illnesses and conditions.
Is this Dr. John Oneil affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Oneil is affiliated with Kaiser Permanente Santa Rosa 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
When to see a Primary Care Specialist (General Practitioner)?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Primary Care Specialist (General Practitioner). 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 Oneil accepting new patients in Santa Clara, CA?
Yes, Dr. John Oneil is accepting new patients at this time.
Does Dr. John Oneil offer online booking?
Please contact Dr. Oneil's office at (408) 244-1834 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Oneil?
Please contact Dr. Oneil's office at (408) 244-1834 for information regarding telehealth appointment availability or for scheduling assistance.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>