John KowalczykDO
Urology·Los Angeles, CA
John Kowalczyk, DO is an Urology provider in Los Angeles, CA, as of July 2026.
- NPI1548254089
- Registered2005
- Class of1985
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Kowalczyk at a glance
- Provider
- John Kowalczyk
- Credential
- DO
- Specialty
- Urology
- Procedures
- Urology CPT codes
- Location
- Los Angeles, CA
- Medical school
- Chicago College of Osteopathy
- Graduated
- 1985
- NPI registered
- 2005
- NPI
- 1548254089
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does John Kowalczyk practice?
John Kowalczyk, DO is based in Los Angeles, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Kowalczyk's NPI number?
John Kowalczyk's National Provider Identifier (NPI) is 1548254089, registered in 2005. Specialty on record: Urology; credential DO.
Where did John Kowalczyk go to medical school?
John Kowalczyk, DO attended Chicago College of Osteopathy, graduating in 1985.
How many Urology providers in California work at ambulatory surgery centers?
219 Urology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Kowalczyk among them. The California Urology directory lists each one by city with credential, NPI, and center affiliations.
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