Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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William G O'Callaghan, MD

Individual provider Cardiovascular Disease Physician · NPI 1457390619

William G O'Callaghan, MD is a Cardiovascular Disease Physician in Scottsdale, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7829 E San Carlos Rd
Scottsdale, AZ 85258-3410
Phone: (956) 682-1888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 17492 (AZ)

Record details

NPI number1457390619
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESJanuary 18, 2023
Certification dateJanuary 18, 2023

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