32 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. O'brien, Internist in Vista, CA?
Dr. Mark O'brien, DO is an Internist, who primarily practices in Vista, CA with 1 additional practice location. He has been practicing for over 32 years. Dr. O'brien is fluent in English, and is currently seeing new patients. Dr. O'brien’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'brien’s office at (760) 216-6500.
What languages does Dr. O'brien speak?
Dr. O'brien and their clinical team can communicate with patients in the following languages:
English
What conditions does an Internist like Dr. O'brien typically treat?
As an Internist, Dr. O'brien 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. O'brien. 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:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- Acute Respiratory Failure with Low Oxygen
- Respiratory Failure
- Sudden lung failure with low oxygen
- Hypoxic respiratory failure
- Acute breathing failure with hypoxia
ICD-10 Codes:
- J9601: Acute respiratory failure with hypoxia
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Adult Health Checkup with Abnormal Findings
- Health Checkup
- Adult Physical Exam with Issues
- Routine Checkup with Concerns
- General Medical Exam with Abnormal Results
ICD-10 Codes:
- Z0001: Encounter for general adult medical examination with abnormal findings
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Brain disease (encephalopathy)
- Brain Disease
- Brain disorder
- Brain dysfunction
- Encephalopathy
ICD-10 Codes:
- G9340: Encephalopathy, unspecified
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Also known as:
- High Cholesterol
- Cholesterol
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, unspecified
Also known as:
- Ischemic Stroke
- Brain Attack
- Cerebral Infarction
- Brain Ischemia
ICD-10 Codes:
- I639: Cerebral infarction, unspecified
Also known as:
- Other Mental Health Screening
- Mental Health Screening
- Behavioral Disorder Screening
- Psychological Evaluation
- Mental Wellness Check
ICD-10 Codes:
- Z1339: Encounter for screening examination for other mental health and behavioral disorders
What procedures does an Internist like Dr. O'brien typically perform?
As an Internist, procedures performed by Dr. Mark O'brien 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
Please contact Dr. O'brien's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. O'brien accept my insurance?
Dr. O'brien accepts most major insurance plans. Important: Please call our office at (760) 216-6500 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'brien accept in Vista, CA?
Dr. O'brien in Vista, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Healthcare
All Other Third Party
Astiva Health
Blue Shield of California
CVS Health (formerly Aetna)
HealthRight Group
Medicare
Other Support Agencies/Consultants
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. O'brien's office located?
Dr. Mark O'brien's Primary Practice
161 Thunder Dr Ste 210
Vista, CA 92083
(760) 216-6500
What is Dr. O'brien's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'brien's National Provider Identifier (NPI) number is 1497744247.
What common questions do patients ask about Dr. O'brien?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'brien
What is Dr. Mark O'brien's specialty?
Dr. O'brien is a Internist near Vista, CA.
What does an Internist do?
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.