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Edit this profileLeonard S. Marks, M.D. practices urology in Los Angeles, CA. Leonard is a 1969 graduate of University of Texas Medical Branch at Galveston. Leonard is also listed as specializing in specialist and surgery of the hand. According to Medicare claims data, Leonard cared for 2,329 Medicare patients across 8,230 services. The services billed most often include injection, ropivacaine hydrochloride, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1811037450.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
200 UCLA MEDICAL PLZ STE 140
Los Angeles, CA 90095
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.
Most searched conditions
Bladder and urethra
Kidney and ureter
Male reproductive and sexual health
Prostate
Urinary symptoms and infection
Bladder & Urination
Kidney health
Men's health
Urinary symptoms
Most searched procedures
Office diagnosis
Bladder procedures
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
Prostate
Prostate procedures
Stone procedures
8,230 services · 2,329 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of prostate gland | Procedure | 55700 |
223 | More than most peers in Urology |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
92 | As often as other peers in Urology |
| High-intensity ultrasound destruction of cancerous tissue in prostate gland, accessed through rectum using ultrasound guidance | Procedure | 55880 |
39 | More than most peers in Urology |
| Insertion of needle or tube into prostate for radiation therapy | Procedure | 55875 |
37 | More than most peers in Urology |
| Electronic assessment of bladder emptying | Procedure | 51741 |
21 | Less often than most peers in Urology |
| Destruction of prostate using imaging guidance | Procedure | 55873 |
17 | Too few peers to compare |
| Ultrasound scan of pelvic region through rectum | Imaging | 76872 |
223 | More than most peers in Urology |
| 3d radiographic procedure with computerized image postprocessing | Imaging | 76377 |
220 | More than most peers in Urology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
20 | Less often than most peers in Urology |
| Injection, ropivacaine hydrochloride, 1 mg | Drug given | J2795 |
5,500 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Leonard S. Marks 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
Leonard S. Marks is listed at 200 UCLA Medical Plz Ste 140, Los Angeles, CA 90095. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (310) 794-7152. Contact the office directly to confirm availability and scheduling.
NPI registry
Leonard S. Marks's National Provider Identifier is 1811037450. 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
Leonard S. Marks attended University of Texas Medical Branch at Galveston, graduating in 1969. This comes from the CMS National Downloadable File.
CMS public data
Leonard S. Marks has 57 years experience. Calculated from a graduation year of 1969, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Leonard S. Marks performs procedures including biopsy of prostate gland, ultrasound measurement of bladder capacity after voiding and high-intensity ultrasound destruction of cancerous tissue in prostate gland, accessed through rectum using ultrasound guidance; reads or performs imaging such as ultrasound scan of pelvic region through rectum and 3d radiographic procedure with computerized image postprocessing; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Leonard S. Marks. If this is you, claiming it is free.
Guide.md
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