Affiliated with a Castle Connolly Top Hospital
Who is Dr. O'brien, Infectious Disease Specialist in San Diego, CA?
Where did Dr. O'brien go to medical school and complete their residency?
Residency: Va Greater La Hlthcare Sys, Infectious Diseases
What languages does Dr. O'brien speak?
Dr. O'brien and their clinical team can communicate with patients in the following languages:
- English
- Spanish
What conditions does an Infectious Disease Specialist like Dr. O'brien typically treat?
As an Infectious Disease Specialist, 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:
- Asymptomatic HIV Infection
- HIV
- HIV positive without symptoms
- Latent HIV infection
- HIV carrier
ICD-10 Codes:
- Z21: Asymptomatic human immunodeficiency virus [HIV] infection status
Also known as:
- HIV
- Human Immunodeficiency Virus
- AIDS virus
ICD-10 Codes:
- B20: Human immunodeficiency virus [HIV] disease
Also known as:
- Immunization Visit
- HIV Pre-Exposure Prophylaxis
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
- PrEP for HIV
- HIV Prevention Medication
- Pre-Exposure Prophylaxis
ICD-10 Codes:
- Z23: Encounter for immunization
- Z2981: Encounter for HIV pre-exposure prophylaxis
Also known as:
- Other Specific Healthcare Encounters
- Repeat Prescription Visit
- Special Medical Visits
- Unusual Doctor Appointments
- Healthcare for Unique Situations
- Prescription Refill Appointment
- Medication Renewal Visit
- Follow-up for Prescription
ICD-10 Codes:
- Z7689: Persons encountering health services in other specified circumstances
- Z760: Encounter for issue of repeat prescription
Also known as:
- Lung Mycobacterial Infection
- Mycobacterial Infection
- Pulmonary NTM Infection
- Lung Nontuberculous Mycobacteria
ICD-10 Codes:
- A310: Pulmonary mycobacterial infection
Also known as:
- Valley Fever Meningitis
- Meningitis
- Valley Fever
- Fungal meningitis (Valley Fever)
- Coccidioidal meningitis
- Brain infection from Valley Fever
ICD-10 Codes:
- B384: Coccidioidomycosis meningitis
What procedures does an Infectious Disease Specialist like Dr. O'brien typically perform?
As an Infectious Disease Specialist, procedures performed by Dr. Christopher O'brien may include:
- Epidemiology Consultation
- Epidemiology Follow Up
- HIV / AIDS Consultation
- HIV / AIDS Follow Up
- Human Papillomavirus (HPV) Vaccine
- Infection Follow Up
- Lumbar Puncture
- Pertussis Vaccine
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 (619) 528-5000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'brien accept in San Diego, CA?
Dr. O'brien in San Diego, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Kaiser Permanente
UnitedHealth Group
View All Insurances
Where is Dr. O'brien's office located?
Dr. Christopher O'brien's Primary Practice
4647 Zion Ave
San Diego, CA 92120
(619) 528-5000
What hospitals are Dr. O'brien affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. O'brien has admitting privileges at the following hospitals:
What is Dr. O'brien's NPI number?A 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 1730250788.
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. Christopher O'brien's specialty?
What does an Infectious Disease Specialist do?
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.