Are you Daniel O'Brien? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Provider Profile

Daniel O'Brien

Is this you? Edit this profile

Where to find Daniel O'Brien

About Daniel O'brien

Daniel O'Brien practices cardiovascular disease (cardiology) in Rolling Hills Estates, CA. Daniel is a 2018 graduate of University of Southern California Keck School of Medicine. Daniel is also listed as specializing in cardiovascular disease. The provider's National Provider Identifier (NPI) is 1023512431.

Factual summary compiled by Guide.md from public records; not written by this provider.

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 165839CurrentExpires Oct 2027Since 2019
NPINational Provider Identifier
1023512431Issued 2018

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Daniel O'Brien specialize in?

Daniel O'Brien is a cardiovascular disease (cardiology) in Rolling Hills Estates, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Daniel O'Brien located?

Daniel O'Brien is listed at 501 Deep Valley Dr Ste 100, Rolling Hills Estates, CA 90274. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Daniel O'Brien's phone number?

The number on file is (310) 303-3953. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Daniel O'Brien?

Daniel O'Brien's National Provider Identifier is 1023512431. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Daniel O'Brien train?

Daniel O'Brien attended University of Southern California Keck School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Daniel O'Brien have?

Daniel O'Brien has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.

CMS public data

Is Daniel O'Brien's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Daniel O'Brien. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.