Courtney Ann O'Brien, DO
Rheumatology Internal Medicine
Patients across CA can see Courtney O'Brien, DO in person in Simi Valley or via virtual visit — no travel required. A Nova Southeastern College of Osteo Medicine graduate since 2017, she brings 9+ years of experience. Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, and more.
Data updated 2022-07-29 on CMS NPPES
Contact & Location
Practice Location
2655 1st St Ste 380, Simi Valley, CA 93065-1551
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.
Taxonomy: 207RR0500X
Education & Training
Nova Southeastern College of Osteo Medicine (Class of 2017)
Virtual Internal Medicine Care With Courtney O'Brien
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Courtney O'Brien for follow-ups, medication reviews, and ongoing care — no travel to Simi Valley required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Courtney O'Brien
NPI records show Dr. O'Brien as active with telehealth listed in Simi Valley, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (805) 583-7640.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Courtney O'Brien
Practice Location
2655 1st St Ste 380, Simi Valley, CA 93065-1551
Mailing Address
5767 W Century Blvd Suite 400, Los Angeles, CA 90095-5631
This is a provider directory. Contact the office directly to schedule appointments.
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