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

Edit this profile

Physician Profile

John J. O Connor, MD

Is this you? Edit this profile

At a glance

About Dr. O Connor

Based in Rockville, MD, John J. O Connor, MD is listed in the NPI registry under surgery. NPI 1407933575 identifies this record in the national registry.

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

Specialty

Surgery (Primary)

Credentials & Licensing

MD licenceAs reported to the NPI registry
No. D09499As reported
NPINational Provider Identifier
1407933575Issued 2006

As reported to the NPI registry ↗

Common questions

What kind of doctor is Dr. O Connor?

Dr. O Connor is a general surgeon in Rockville, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.

NPI registry

What is Dr. O Connor's address?

Dr. O Connor is listed at 11125 Rockville Pike Ste. 308, Rockville, MD 20852. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. O Connor?

The number on file is (301) 881-5167. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. O Connor?

Dr. O Connor's National Provider Identifier is 1407933575. 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 Dr. O Connor have?

Dr. O Connor 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 Dr. O Connor's profile verified?

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

Guide.md

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