John J. Kowalczyk, MD works in the field of Urology. Doctor John J. Kowalczyk, MD accepts Medicare.
| NPI NUMBER | 1548254089 | |
| NPPES Provider LastName | KOWALCZYK | |
| NPPES Provider FirstName | JOHN | |
| NPPES Provider ZIPCode | 900173901 | |
| NPPES Provider State | CA | |
| Specialty Description | Urology | |
| Total Claim Count | 3815.0 | |
| Distinct Opioid Count | 1.0 | |
| Opioid Claim Count | 49.0 | |
| Percent Opioid Claims | 1.28 | 
| National Provider Identifier [NPI] | 1548254089 | 
| Last Name Of The Provider | KOWALCZYK | 
| First Name Of The Provider | JOHN | 
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