William O'Callaghan, M.D.
NPI 1457390619 · Cardiovascular Disease Physician · Scottsdale, AZ
William O'Callaghan, M.D. is a Cardiovascular Disease Physician provider in Scottsdale, AZ (NPI 1457390619).
Provider details
- NPI number
- 1457390619
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17492 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2023-01-18
- Certified
- 2023-01-18
Frequently asked questions
- What is William O'Callaghan's NPI number?
- William O'Callaghan's National Provider Identifier (NPI) is 1457390619, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William O'Callaghan's specialty?
- William O'Callaghan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William O'Callaghan located?
- William O'Callaghan's practice location on file with NPPES is 7829 E San Carlos Rd, Scottsdale, AZ 85258-3410.
- What is William O'Callaghan's phone number?
- The practice phone number listed in the NPPES registry for William O'Callaghan is (956) 682-1888.
- Is William O'Callaghan's NPI active?
- Yes — William O'Callaghan's NPI (1457390619) is active in the NPPES registry as of the last update on 2023-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.