Physician Profile

Margaret G. O'Byrne, M.D.

Unclaimed Profile

About Dr. O'byrne

Margaret G. O'Byrne, M.D. is a healthcare provider in San Diego, CA specializing in cardiovascular disease. This provider record is associated with NPI 1366543159.

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

Specialty

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 76683CurrentExpires Sep 2028Since 1993
NPINational Provider Identifier
1366543159Issued 2006

Snapshot · verify with the board ↗

Medicare information

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 Margaret G. O'Byrne specialize in?

Margaret G. O'Byrne is a cardiologist in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.

NPI registry

Where is Margaret G. O'Byrne located?

Margaret G. O'Byrne is listed at 3811 Valley Centre Dr, San Diego, CA 92130. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Margaret G. O'Byrne's phone number?

The number on file is (858) 764-3000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Margaret G. O'Byrne?

Margaret G. O'Byrne's National Provider Identifier is 1366543159. 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

How much experience does Margaret G. O'Byrne have?

Margaret G. O'Byrne has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Margaret G. O'Byrne's profile verified?

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

Guide.md

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