Are you Mary A. O'Callaghan, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 845 Maryland St, El Segundo, CA 90245
About Dr. O'callaghan
Mary A. O'Callaghan, M.D. is a healthcare provider in El Segundo, CA specializing in family medicine. This provider record is associated with NPI 1932489408.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (310) 640-9604
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
845 MARYLAND ST
El Segundo, CA 90245
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Common questions
What is Mary A. O'Callaghan's specialty?
Mary A. O'Callaghan is a family doctor in El Segundo, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where can I find Mary A. O'Callaghan?
Mary A. O'Callaghan is listed at 845 Maryland St, El Segundo, CA 90245. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mary A. O'Callaghan?
The number on file is (310) 640-9604. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary A. O'Callaghan's NPI number?
Mary A. O'Callaghan's National Provider Identifier is 1932489408. 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 long has Mary A. O'Callaghan been practicing?
Mary A. O'Callaghan has 15+ years experience. Registered with an NPI since 2011. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Mary A. O'Callaghan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary A. O'Callaghan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.