Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John James Kowalczyk, DO

Individual provider Urology Physician · NPI 1548254089

John James Kowalczyk, DO is an Urology in Los Angeles, California. Graduated from Chicago College of Osteopathy in 1985, 41 years ago. Practices with Adherence Medical Group a Professional Medical Corporation, a 2-clinician group, works from 7 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
41
Trained at
Chicago College of Osteopathy
Licensed in
CA
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1127 Wilshire Blvd Ste 805
Los Angeles, CA 90017-3901
Phone: (213) 977-1176
Fax: (213) 977-0668
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (6)

  • 2211 W Magnolia Blvd Ste 260, Burbank, CA 91506-1770 — (213) 977-1176
  • 1517 Garfield Ave, Commerce, CA 90022-5421 — (818) 979-9899
  • 435 Arden Ave Ste 530, Glendale, CA 91203-1140 — (818) 979-9899
  • 1500 S Central Ave Ste 200a, Glendale, CA 91204-2786 — (213) 977-1176
  • 1709 W Manchester Ave, Los Angeles, CA 90047-3033 — (818) 979-9899
  • 8223 Woodman Ave, Panorama City, CA 91402-5426 — (818) 979-9899

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 20A6818 (CA)

Record details

NPI number1548254089
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 9, 2005
Last updated in NPPESNovember 22, 2022
Certification dateNovember 22, 2022

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolCHICAGO COLLEGE OF OSTEOPATHY
Graduated 1985 (41 years in practice)
Group practice Adherence Medical Group A Professional Medical Corporation — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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