Dr. Patrick William O'Conner, PHD
Dr. Patrick William O'Conner is a Clinical Psychologist provider (Psychologist) practicing in Waterloo, IA, registered in the NPPES registry with NPI 1326147208 since 2006. The credential PHD stands for Doctor of Philosophy.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1326147208 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Patrick William O'Conner |
| Credential | PHD |
| Sex | Male |
| Practice address | 146 W DALE ST, STE 101, Waterloo, IA, 50703 |
| Phone | 3192333351 |
| Fax | 3192353132 |
| Enumeration date | 2006-09-21 |
| Last updated in NPPES | 2017-02-22 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 103TC0700X | Clinical Psychologist | Primary | 00530 | IA |
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: Patrick O'Conner, PHD NPI: 1326147208 Taxonomy: 103TC0700X (Clinical Psychologist) Address: 146 W DALE ST, STE 101, Waterloo, IA, 50703
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1366428559 | Hridendra Basu | Individual | Internal Medicine Physician | Waterloo, IA |
| 1023094265 | Russell Adams | Individual | Internal Medicine Physician | Waterloo, IA |
| 1801873088 | Publio Ortiz | Individual | Obstetrics & Gynecology Physician | Waterloo, IA |
| 1124005236 | Adaline Peterson | Individual | Obstetrics & Gynecology Nurse Practitioner | Waterloo, IA |
| 1588641658 | Sandra Lewis | Individual | Midwife | Waterloo, IA |
| 1235116153 | Sommer Grant | Individual | Nurse Practitioner | Waterloo, IA |
| 1295714814 | Helen Sadler | Individual | Nurse Practitioner | Waterloo, IA |
| 1508823998 | Parag Sampat | Individual | Internal Medicine Physician | Waterloo, IA |
Verify this record
Cross-check NPI 1326147208 against the authoritative CMS record: view Dr. Patrick William O'Conner 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.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2017-02-22.