DR. ANDREW KHOA NGUYEN MD
NPI 1821147224
Urology in Los Angeles, CA

Q: What is Andrew Nguyen's NPI number?

The NPI number for Andrew Nguyen is 1821147224. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Q: What is Andrew Nguyen'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 Andrew Nguyen was last updated on December 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 09, 2007PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

2750 W BROADWAY, LOS ANGELES, CA 90041(818) 241-3125(818) 241-1652 Get Directions Write a Review

NPPES record last updated: December 1, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 1, 2018, Jul 18, 2018 (2 updates tracked since 2018).

On this page

About Dr. Andrew Khoa Nguyen Md NPPES

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

DR. ANDREW KHOA NGUYEN MD (NPI 1821147224) is an individual urology provider in Los Angeles, California, licensed in California (G78937) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Chicago College Of Medicine And Surgery (1992).

NPPES Registry Identity

NPI1821147224

Entity TypeIndividualMale

Primary Taxonomy208800000X

Provider Legal NameDR. ANDREW KHOA NGUYENCredential: MD

Location Address2750 W BROADWAYLos Angeles, CA 90041-1050

Mailing Address2750 W BroadwayLos Angeles, CA 90041-1050 · (818) 241-3125 · Fax (818) 241-1652

Phone(818) 241-3125

Fax(818) 241-1652

Sole ProprietorYes

Medical School CMSChicago College Of Medicine And SurgeryGraduated 1992

Enumeration DateJanuary 9, 2007

Last NPPES UpdateDecember 1, 20182 updates tracked since enumeration

✔ NPI 1821147224 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in CA · G78937

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.

2750 W BROADWAY, Los Angeles, CA 90041

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew Khoa Nguyen 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 ID3971578576

PECOS Enrollment IDI20040827000528

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.

Medicare Billing Reassignment

Medicare enrollment records show Andrew Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ben B. Shenassa, M.D. Inc.

Same address

Specialist

2750 W BROADWAY
Los Angeles, CA 90041

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1760533426 (323) 543-4250

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 27

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.

Manual urinalysis test with examination using microscope, non-automated 81000

A manual urinalysis test involves studying a urine sample under a microscope. This non-automated method helps identify any abnormal substances present. It's a useful tool for detecting potential health concerns early. The process is simple and non-invasive.

1,069 services485 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.

951 services479 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.

569 services298 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.

545 services374 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.

535 services369 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

374 services84 patients

Limited ultrasound scan behind abdominal cavity 76775

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

363 services353 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.

330 services322 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.

222 services215 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.

176 services147 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.

139 services120 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.

119 services119 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

107 services100 patients

Simple measurement of pressure of urine flow in bladder 51725

This procedure measures the strength of your urine flow. A small, soft tube is gently placed into your body to reach the bladder. It records the pressure while you empty your bladder. It helps check if there are any blockages or issues with bladder control.

104 services101 patients

Limited ultrasound scan of pelvis 76857

A limited ultrasound scan of the pelvis is a non-invasive imaging test. It uses high-frequency sound waves to create pictures of the lower abdomen area. This helps doctors view and assess the health of certain internal structures. It's painless and usually takes about 30 minutes.

75 services74 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

72 services46 patients

Simple change of bladder tube 51705

A simple change of bladder tube involves replacing your current urinary drainage tube with a new one. This is done to maintain hygiene and prevent infections. It's a straightforward process, usually causing minimal discomfort, and helps ensure your body can properly dispose of waste fluids.

69 services15 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.

67 services20 patients

Simple bladder irrigation and/or instillation 51700

Bladder irrigation and/or instillation is a process where a sterile solution is introduced into the bladder to cleanse it or deliver medication. This procedure helps manage certain bladder conditions, ensuring optimal bladder health.

51 services39 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.

22 services21 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

22 services21 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.

17 services15 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 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.

16 services15 patients

Insertion of tube into ureter using an endoscope through bladder area 52005

This procedure involves the use of a thin, flexible tool called an endoscope. It's inserted through the body's natural pathways to reach the area where urine is transported. A small tube is then placed in this area to help with urine flow or to remove blockages.

13 services12 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.

13 services12 patients

Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope 52310

This is a procedure to remove an object, stone, or tube from your urinary tract. An endoscope, a thin, flexible tube with a light and camera, is used to locate and remove the object. It is a safe and effective way to address the issue.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90041 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.

75/100

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

Individually scored

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.

Lubricant, individual sterile packet, each A4332

DME-Medical/Surgical Supplies · category DA000N

1 supplier15 claims1,680 services$0.10 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

3 suppliers25 claims3,510 services$6.15 avg. paid by Medicare

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

Other Providers at the Same Location NPPES 6

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

ASHOT NAREK PIRAMZYAN

Nurse Practitioner (Family)

2750 W BROADWAY
LOS ANGELES, CA 90041

Los Angeles County (818) 241-3125

DR. FERNANDO RENTERIA PEREZ

Dentist

2750 W BROADWAY
LOS ANGELES, CA 90041

Los Angeles County (323) 739-0215

BEHNAM BEN SHENASSA M.D.

Urology

2750 W BROADWAY
LOS ANGELES, CA 90041

Los Angeles County (818) 241-3125

MARIA TERESA SWIDA D.O.

Family Medicine

2750 W BROADWAY
LOS ANGELES, CA 90041

Los Angeles County (323) 550-8346

PHILLINE PARRENO DDS DENTAL CORP

Dentist (General Practice)

2750 W BROADWAY, STE B
LOS ANGELES, CA 90041

Los Angeles County (323) 739-0215

BEN B. SHENASSA, M.D. INC.

Specialist

2750 W BROADWAY
LOS ANGELES, CA 90041

Los Angeles County (323) 543-4250

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 Andrew Nguyen's NPI number?

The NPI number for Andrew Nguyen is 1821147224. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Andrew Nguyen located?

Andrew Nguyen practices at 2750 W Broadway, Los Angeles, CA 90041. The listed phone number is (818) 241-3125.

What is Andrew Nguyen's specialty?

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

Is Andrew Nguyen enrolled in Medicare?

Yes. Andrew Nguyen 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.

Which organization bills Medicare for Andrew Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Nguyen reassigns Medicare benefits to Ben B. Shenassa, M.D. Inc. (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrew Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andrew Nguyen was last updated on December 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.