Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Patrick Michael O'Callaghan, PHD

Individual provider Clinical Psychologist · NPI 1386908754

Dr. Patrick Michael O'Callaghan, PHD is a Clinical Psychologist in Metairie, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 2005, 21 years ago. Practices with St Tammany Parish Hospital Service District No 1, a 163-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
21
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2012
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

4228 Houma Blvd Ste 230
Metairie, LA 70006-3000
Phone: (504) 883-8911
Fax: (504) 883-3723
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1077 (LA)

Record details

NPI number1386908754
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 29, 2012
Last updated in NPPESMay 20, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2005 (21 years in practice)
Group practice St Tammany Parish Hospital Service District No 1 — 163 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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