Dr. Leonard Marks, MD
Los Angeles, CA
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Marks, Urologist in Los Angeles, CA?
Dr. Leonard Marks, MD is an Urologist, who primarily practices in Los Angeles, CA with 2 additional practice locations. Dr. Marks is fluent in English and Spanish, and is currently seeing new patients. Dr. Marks’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marks’s office at (310) 794-7152.
What are Areas of Expertise for Dr. Marks?
Dr. Leonard Marks, MD is a highly-rated, board-certified Urologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Marks empowers patients to confidently navigate their health journey, specializing in Prostate Benign Disease (BPH), and comprehensive wellness support. Serving the Los Angeles, CA community, Dr. Marks is dedicated to enhancing lives through expert, patient-centered care.
What languages does Dr. Marks speak?
Dr. Marks and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Urologist like Dr. Marks typically treat?
As an Urologist, Dr. Marks diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Marks. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Prostate Cancer
- Prostate Cancer Treatment (PDQ®)
- Prostatic Carcinoma
- Prostate Gland Cancer
- Malignant Prostate Tumor
ICD-10 Codes:
- C61: Malignant neoplasm of prostate
Also known as:
- Elevated PSA Level
- Prostate Cancer Screening
- Prostate Disease
- Prostate-Specific Antigen (PSA) Test
- Prostate Problems
- High Prostate Specific Antigen
- Abnormal PSA Test
- Increased PSA
ICD-10 Codes:
- R9720: Elevated prostate specific antigen [PSA]
Also known as:
- Enlarged Prostate
- Enlarged Prostate (BPH)
- Enlarged Prostate (Benign Prostatic Hyperplasia)
- Benign Prostatic Hyperplasia
- BPH
- Prostate Enlargement
ICD-10 Codes:
- N400: Benign prostatic hyperplasia without lower urinary tract symptoms
Also known as:
- Enlarged Prostate with Urinary Symptoms
- Enlarged Prostate (BPH)
- Enlarged Prostate (Benign Prostatic Hyperplasia)
- BPH with LUTS
- Prostate enlargement with urinary issues
- Benign prostatic hyperplasia with urinary symptoms
ICD-10 Codes:
- N401: Benign prostatic hyperplasia with lower urinary tract symptoms
Also known as:
- Urinary Retention
- Urine and Urination
- Inability to urinate
- Bladder retention
- Can't pee
- Trouble emptying bladder
ICD-10 Codes:
- R339: Retention of urine, unspecified
Also known as:
- Urinary Device Fitting and Adjustment
- Urological Device Fitting
- Bladder Device Adjustment
- Catheter Fitting
ICD-10 Codes:
- Z466: Encounter for fitting and adjustment of urinary device
Also known as:
- Blood in Urine
- Urine and Urination
- Hematuria (Blood in the Urine)
- Hematuria
- Bloody urine
- Red urine
ICD-10 Codes:
- R319: Hematuria, unspecified
What procedures does an Urologist like Dr. Marks typically perform?
As an Urologist, Dr. Marks performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Marks. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Prostate Biopsy
- Needle Biopsy of Prostate
- Punch Biopsy of Prostate
- Prostate Tissue Sample
CPT Codes:
- 55700: Biopsy, prostate; needle or punch, single or multiple, any approach
Also known as:
- Prostate Seed Implants (Brachytherapy)
- Prostate Cancer Treatment with HIFU
- Prostate Cryosurgery
- Prostate Brachytherapy
- Interstitial Radioelement Application
- Prostate Radiation Seed Placement
- HIFU for Prostate Cancer
- High-Intensity Focused Ultrasound Prostate
- Prostate Ablation
- Transrectal HIFU
- Cryoablation of Prostate
- Freezing Prostate Cancer
- Prostate Cryotherapy
CPT Codes:
- 55875: Transperineal placement of needles or catheters into prostate for interstitial radioelement application, with or without cystoscopy
- 55880: Ablation of malignant prostate tissue, transrectal, with high intensity-focused ultrasound (HIFU), including ultrasound guidance
- 55873: Cryosurgical ablation of the prostate (includes ultrasonic guidance and monitoring)
Also known as:
- Bladder Ultrasound for Residual Urine
- Post-void residual urine measurement
- Bladder capacity ultrasound
- Non-imaging bladder scan
CPT Codes:
- 51798: Measurement of post-voiding residual urine and/or bladder capacity by ultrasound, non-imaging
Also known as:
- Bladder and Urethra Scope
- Cystoscopy
- Urethroscopy
- Bladder scope procedure
CPT Codes:
- 52000: Cystourethroscopy (separate procedure)
Also known as:
- Peripheral Nerve Block
- Nerve injection
- Pain relief injection
- Steroid injection for nerve pain
CPT Codes:
- 64450: Injection(s), anesthetic agent(s) and/or steroid; other peripheral nerve or branch
Does Dr. Marks accept my insurance?
Dr. Marks accepts most major insurance plans. Important: Please call our office at (310) 794-7152 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Marks accept in Los Angeles, CA?
Dr. Marks in Los Angeles, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Shield of California
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
L.A. Care Health Plan
Medicaid
Medicare
Other Health Care Provider
UnitedHealth Group
View All Insurances
Where is Dr. Marks' office located?
Dr. Leonard Marks' Primary Practice
200 UCLA Medical Plz Ste 140
Los Angeles, CA 90095
(310) 794-7152
What hospitals are Dr. Marks affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Marks has admitting privileges at the following hospitals:
Ronald Reagan Ucla Medical Center,Los Angeles, CA
Ranked in 3 Procedures

Ranked in 3 Procedures
Hoag Hospital Newport Beach,Newport Beach, CA
Ranked Urologic Surgery

Ranked in 4 Procedures

Ranked Urologic Surgery
Ranked in 4 Procedures
Ucla Santa Monica Medical Center,Santa Monica, CA
Ranked in 2 Procedures

Ranked in 2 Procedures
Uci Medical Center,Orange, CA
Ranked Urologic Surgery

Ranked in 2 Procedures

Ranked Urologic Surgery
Ranked in 2 Procedures
Scripps Memorial Hospital Encinitas,Encinitas, CA
Ranked ObGyn Surgery

Ranked in 3 Procedures

Ranked ObGyn Surgery
Ranked in 3 Procedures
Providence Little Company Of Mary Medical Center Torrance,Torrance, CA
Ranked Hysterectomy

Ranked Hysterectomy
What is Dr. Marks's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Marks's National Provider Identifier (NPI) number is 1811037450.
What common questions do patients ask about Dr. Marks?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Marks
What is Dr. Leonard Marks's specialty?
Dr. Marks is an Urologist near Los Angeles, CA.
What does an Urologist do?
A urologist is a healthcare professional with specialization in managing both benign and malignant medical and surgical disorders of the genitourinary system and adrenal glands. They possess extensive knowledge and skills in endoscopic, percutaneous, and open surgical techniques for addressing congenital and acquired conditions of the urinary and reproductive systems, as well as their associated structures.
Is Dr. Leonard Marks affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Marks is affiliated with Ronald Reagan Ucla Medical Center, Hoag Hospital Newport Beach, Ucla Santa Monica Medical Center, Uci Medical Center, Scripps Memorial Hospital Encinitas, Providence Little Company Of Mary Medical Center Torrance which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Urologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Urologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. Leonard Marks accepting new patients in Los Angeles, CA?
Yes, Dr. Leonard Marks is accepting new patients at this time.
Does Dr. Leonard Marks offer online booking?
Please contact Dr. Marks' office at (310) 794-7152 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Leonard Marks?
Please contact Dr. Marks' office at (310) 794-7152 to schedule an appointment.
Where is Dr. Marks' office located?
Dr. Marks' office is located in Los Angeles, CA.
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