Dr. C Gerald O'Brien Jr., PHD
Dr. C Gerald O'Brien Jr. is a Psychologist provider (Psychologist) practicing in Jackson, MS, registered in the NPPES registry with NPI 1972696896 since 2006. The credential PHD stands for Doctor of Philosophy.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1972696896 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. C Gerald O'Brien Jr. |
| Credential | PHD |
| Sex | Male |
| Practice address | 640 LAKELAND EAST DRIVE, SUITE F, Jackson, MS, 39232 |
| Phone | 6016646730 |
| Fax | 6016646732 |
| Enumeration date | 2006-10-02 |
| Last updated in NPPES | 2007-07-08 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 103T00000X | Psychologist | Primary | 15-167 | MS |
PHD — Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential
Copy-ready billing details
Provider: C O'Brien, PHD NPI: 1972696896 Taxonomy: 103T00000X (Psychologist) Address: 640 LAKELAND EAST DRIVE, SUITE F, Jackson, MS, 39232
Verify this record
Cross-check NPI 1972696896 against the authoritative CMS record: view Dr. C Gerald O'Brien Jr. on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.