Michael O'Callaghan, PHD
NPI 1609951292 · Clinical Psychologist · San Diego, CA
Michael O'Callaghan, PHD is a Clinical Psychologist provider in San Diego, CA (NPI 1609951292).
Provider details
- NPI number
- 1609951292
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 2-3566 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-10-25
- Last updated
- 2022-07-21
Frequently asked questions
- What is Michael O'Callaghan's NPI number?
- Michael O'Callaghan's National Provider Identifier (NPI) is 1609951292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael O'Callaghan's specialty?
- Michael O'Callaghan is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Michael O'Callaghan located?
- Michael O'Callaghan's practice location on file with NPPES is 4715 Viewridge Ave, San Diego, CA 92123-1658.
- What is Michael O'Callaghan's phone number?
- The practice phone number listed in the NPPES registry for Michael O'Callaghan is (800) 257-8715.
- Is Michael O'Callaghan's NPI active?
- Yes — Michael O'Callaghan's NPI (1609951292) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.