Physician Profile
John J. Kowalczyk, DO
Unclaimed ProfileAbout Dr. Kowalczyk
John J. Kowalczyk, DO is a healthcare provider in Los Angeles, CA specializing in urology. John trained at Chicago College of Osteopathy, graduating in 1985. Medicare claims data shows John provided 2,168 services to 1,409 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, ultrasound measurement of bladder capacity after voiding, and insertion of needle into vein for collection of blood sample.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (213) 977-1176
- Email not available
Practice Locations
1127 WILSHIRE BLVD SUITE 805
Los Angeles, CA 90017
2211 W Magnolia Blvd Ste 260
Burbank, CA 91506
8223 Woodman Ave
Panorama City, CA 91402
1500 S Central Ave Ste 200A
Glendale, CA 91204
1517 Garfield Ave
Commerce, CA 90022
1709 W Manchester Ave
Los Angeles, CA 90047
435 Arden Ave Ste 530
Glendale, CA 91203
Conditions Commonly Evaluated or Treated
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Erectile dysfunction
- Kidney stones
- Overactive bladder
- Prostate cancer
- Urinary incontinence in women
- UTI
Bladder and urethra
Kidney and ureter
Male reproductive and sexual health
- Hydrocele
- Male infertility
- Peyronie's disease
- Testicular and scrotal pain
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Varicocele
Prostate
Urinary symptoms and infection
- Blood in the urine
- Kidney infection
- Painful urination
- Recurrent urinary tract infections
- Urinary retention
Bladder & Urination
Kidney health
Men's health
Urinary symptoms
Procedures & services
Most searched procedures
Office diagnosis
Bladder procedures
- Artificial Urinary Sphincter Implant
- Bladder Botox Injection
- Bladder instillation therapy
- Radical bladder removal
- Sacral neuromodulation
- Sling surgery for stress incontinence
- Transurethral resection of bladder tumor
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
Prostate
Prostate procedures
- HoLEP Laser Prostate Surgery
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Transurethral resection of the prostate
Stone procedures
Procedures Most Often Billed to Medicare
2,168 services · 1,409 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
246 | More often than most peers in Urology |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
204 | As often as other peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
39 | |
| Biopsy of prostate gland | Procedure | 55700 |
17 | |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
90 | More often than most peers in Urology |
| Ultrasound scan of pelvic region through rectum | Imaging | 76872 |
15 | |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
14 | |
| Acupuncture, initial 15 minutes | Treatment | 97810 |
157 | |
| Acupuncture, each additional 15 minutes | Treatment | 97811 |
155 | |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other urologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other urologists in Los Angeles 8
Same specialty, same city.
Trained at Chicago College of Osteopathy 4
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Chicago College of Osteopathy 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound measurement of bladder capacity after voiding 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Kowalczyk specialize in?
Dr. Kowalczyk is an urologist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where is Dr. Kowalczyk located?
Dr. Kowalczyk is listed at 1127 Wilshire Blvd Suite 805, Los Angeles, CA 90017. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Kowalczyk's phone number?
The number on file is (213) 977-1176. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Kowalczyk?
Dr. Kowalczyk's National Provider Identifier is 1548254089. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Kowalczyk go to medical school?
Dr. Kowalczyk attended Chicago College of Osteopathy, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Kowalczyk have?
Dr. Kowalczyk has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Kowalczyk do most often?
According to Medicare billing data, Dr. Kowalczyk performs procedures including ultrasound measurement of bladder capacity after voiding, insertion of needle into vein for collection of blood sample and diagnostic exam of bladder and urethra using an endoscope; reads or performs imaging such as complete ultrasound scan behind abdominal cavity and ultrasound scan of pelvic region through rectum; provides treatments such as acupuncture, initial 15 minutes and acupuncture, each additional 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Kowalczyk's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kowalczyk. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.