TIMOTHY F. LESSER MD
NPI 1053436550
Urology in Torrance, CA

Q: What is Timothy Lesser's NPI number?

The NPI number for Timothy Lesser is 1053436550. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Q: What is Timothy Lesser's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Q: When was this NPI record last updated?

The NPPES record for Timothy Lesser was last updated on April 4, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 21, 2007PECOS EnrolledAccepts Medicare Assignment

83.99/100

CMS Quality Rating

20911 EARL ST, SUITE 140, TORRANCE, CA 90503(323) 783-4011(310) 542-4652 Get Directions Write a Review

NPPES record last updated: April 4, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Timothy F. Lesser Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIMOTHY F. LESSER MD (NPI 1053436550) is an individual urology provider in Torrance, California, licensed in California (A90955) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2003).

NPPES Registry Identity

NPI1053436550

Entity TypeIndividualMale

Primary Taxonomy208800000X

Provider Legal NameTIMOTHY F. LESSERCredential: MD

Location Address20911 EARL ST, SUITE 140Torrance, CA 90503

Mailing Address20911 Earl St, Suite 140Torrance, CA 90503-4352 · (310) 542-0199 · Fax (310) 542-4652

Phone(323) 783-4011

Fax(310) 542-4652

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2003

Enumeration DateMarch 21, 2007

Last NPPES UpdateApril 4, 2023

NPPES CertifiedApril 4, 2023

✔ NPI 1053436550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in CA · A90955

Definition

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

20911 EARL ST, Torrance, CA 90503

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Other Identifiers 1

OtherP00647441CA · Medicare Group Ptan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Timothy F. Lesser Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274604715

PECOS Enrollment IDI20080611000402

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 39

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Bcg live intravesical instillation, 1 mg J9030

BCG live intravesical instillation is a procedure where a weakened form of a bacteria is introduced into your bladder. This helps your body's immune system to fight off certain bladder conditions. The procedure is generally safe and effective.

1,557 services11 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

1,394 services985 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

1,114 services858 patients

Ultrasound measurement of bladder capacity after voiding 51798

Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.

943 services753 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

760 services141 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

435 services381 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

386 services79 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

296 services264 patients

Leuprolide acetate (for depot suspension), 7.5 mg J9217

Leuprolide acetate is a medication that helps regulate certain hormone levels in your body. It's injected into your muscle once a month. This treatment can help manage various health conditions related to hormone imbalance. Always follow your doctor's instructions.

271 services49 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

200 services200 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

194 services165 patients

Insertion of lower leg neurostimulator electrode 64566

The insertion of a lower leg neurostimulator electrode is a procedure where a small device is placed under your skin. This device sends mild electrical signals to nerves in the lower leg, helping to manage chronic pain. It's a safe, minimally invasive procedure.

153 services41 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

96 services79 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

83 services36 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

75 services75 patients

Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 96402

This procedure involves the injection of hormone-based anti-cancer drugs under the skin or into a muscle. These medications help to slow down or stop the growth of certain types of cancer cells. The process is usually quick and can be performed in a clinic or hospital.

72 services52 patients

Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 99489

Complex chronic care management is a service for patients with multiple chronic conditions. It involves an additional 60 minutes per month of clinical staff time directed by a healthcare professional. This service assists in managing your health conditions effectively.

63 services16 patients

Simple insertion of temporary bladder tube 51702

This procedure involves placing a temporary tube into your bladder to help with urine flow. It's done when the body can't naturally remove urine. The tube is inserted through a small opening and allows urine to drain into a bag. It's usually a short-term solution.

53 services25 patients

Instillation of anti-cancer drug into bladder 51720

This procedure involves introducing a medication into the bladder to help fight off harmful cells. A small tube is gently placed into the area where urine exits the body. Through this tube, the medication is delivered directly into the bladder for maximum effectiveness.

52 services15 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

37 services34 patients

Imaging of urinary tract following injection of a contrast agent 74420

This procedure involves injecting a contrast agent into your body to help highlight the urinary tract during imaging. The contrast agent makes your urinary tract more visible on the images, providing detailed information about its structure and function. This can help in diagnosing any potential issues.

28 services18 patients

Ultrasound scan of scrotum 76870

An ultrasound scan of the scrotum is a non-invasive imaging test. It uses sound waves to create pictures of the structures within the lower abdominal area. This helps to assess any discomfort or abnormalities you might be experiencing. The procedure is safe and painless.

27 services24 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

26 services25 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

25 services25 patients

Electronic assessment of bladder emptying 51741

Electronic assessment of bladder emptying is a non-invasive test that measures how well your bladder functions. It uses ultrasound technology to create images of your bladder before and after you use the restroom, helping to identify any issues with bladder emptying.

22 services21 patients

Biopsy of prostate gland 55700

A biopsy of the prostate gland is a procedure where a small sample of tissue is taken from your body's internal gland, located near the bladder, for testing. This helps in diagnosing potential health issues. It's usually done with a fine needle and imaging technology for accuracy.

21 services21 patients

Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 99487

Complex chronic care management is a service for patients with two or more long-term health conditions. It involves a healthcare professional directing clinical staff in providing care for the first 60 minutes each month. This helps manage your health conditions effectively.

21 services16 patients

Ultrasound scan of pelvic region through rectum 76872

An ultrasound scan of the pelvic region through the rectum is a medical procedure where a small, smooth device is gently inserted into the rectum. This device uses sound waves to create images of the internal structures in the lower abdomen, aiding in diagnosis and treatment planning.

20 services20 patients

Ultrasound scan of pelvic region through rectum 76872

19 services18 patients

Ultrasound of abdomen and pelvis artery and vein blood flow 93976

An ultrasound of your abdomen and pelvis arteries and veins is a non-invasive procedure that uses sound waves to create images of your blood vessels. This helps in assessing the flow of blood, identifying blockages, or detecting other abnormalities. It's a safe, painless process.

19 services18 patients

Injection, garamycin, gentamicin, up to 80 mg J1580

This procedure involves administering an injection of Gentamicin, also known as Garamycin, up to a dose of 80 mg. Gentamicin is an antibiotic used to treat a wide variety of bacterial infections. It works by stopping the growth of bacteria.

17 services14 patients

Insertion of stent in ureter using an endoscope 52332

This procedure involves placing a small, flexible tube (stent) in your body's drainage system to help urine flow from the kidneys to the bladder. An endoscope, a thin tube with a light and camera, is used for precise placement.

16 services11 patients

Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings 51784

This procedure involves the use of non-invasive devices to record the electrical activity of muscles at specific body openings. It's helpful in understanding muscle function and can assist in diagnosing certain conditions.

15 services15 patients

Insertion of device into abdomen with pressure and urine flow rate study 51797

This procedure involves placing a small device into your abdomen to monitor pressure and urine flow rates. It helps in understanding how well your body is processing and eliminating liquid waste. It's a safe procedure, typically performed under local anesthesia.

15 services15 patients

Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies 51729

This procedure helps to measure the pressure inside your bladder while passing fluid. It checks how well your bladder and the tube that carries fluid from your bladder are working. It's important for diagnosing issues with fluid flow and storage.

14 services14 patients

Biopsy of prostate gland 55700

13 services13 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

12 services12 patients

Removal of prostate gland using an electrocautery knife through urethra with control of bleeding using an endoscope 52601

This procedure involves the careful removal of a small gland located in the lower body using a special heated knife, inserted through a natural body passage. An endoscope, a thin tube with a light and camera, helps to manage any bleeding. The aim is to alleviate discomfort and improve overall health.

12 services12 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.99/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

79.4

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351

DME-Orthotic Devices · category DF008N

6 suppliers36 claims5,460 services$1.48 avg. paid by Medicare

Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352

DME-Orthotic Devices · category DF008N

4 suppliers36 claims6,440 services$6.18 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SOUTHBAY ENDOCRINE MEDICAL ASSOCIATES INC.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

20911 EARL ST, SUITE 340
TORRANCE, CA 90503

Los Angeles County (310) 802-7002

JOHN M. KENNEDY, M.D., INC.

Internal Medicine (Cardiovascular Disease)

20911 EARL ST, 200
TORRANCE, CA 90503

Los Angeles County (310) 909-4687

MR. KHAJA R. AHMED M.D.

Internal Medicine (Nephrology)

20911 EARL ST, SUITE 180
TORRANCE, CA 90503

Los Angeles County (310) 370-4660

UROLOGY ASSOC SOUTH BAY INC

Urology (Pediatric Urology)

20911 EARL ST, SUITE 140
TORRANCE, CA 90503

Los Angeles County (310) 542-0199

DONALD W. INADOMI, MD, INC

Internal Medicine (Nephrology)

20911 EARL ST, SUITE 320
TORRANCE, CA 90503

Los Angeles County (310) 542-7997

STEVEN E DAVIS M.D.

Otolaryngology

20911 EARL ST, SUITE #470
TORRANCE, CA 90503

Los Angeles County (310) 372-0700

BAHMAN BANDARI MD

Internal Medicine

20911 EARL ST, SUITE 440
TORRANCE, CA 90503

Los Angeles County (310) 419-8585

MS. SHIZUKA ERIN SHISHIDO MPAS, PA-C, ATC,CSCS

Physician Assistant

20911 EARL ST, #470
TORRANCE, CA 90503

Los Angeles County (310) 372-0700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy Lesser's NPI number?

The NPI number for Timothy Lesser is 1053436550. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Where is Timothy Lesser located?

Timothy Lesser practices at 20911 Earl St Suite 140, Torrance, CA 90503. The listed phone number is (323) 783-4011.

What is Timothy Lesser's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Timothy Lesser enrolled in Medicare?

Yes. Timothy Lesser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Timothy Lesser was last updated on April 4, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.