Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Urology

Mike M. Nguyen, MD

Works at hospitals in Los Angeles, CA · Glendale, CA · California

Summary

Dr. Mike M. Nguyen, MD is a urologist at 1441 Eastlake Ave, Suite 2424, Los Angeles, CA 90089. Phone: (323) 442-2582. Accepts Medicare assignment. In 2024, Mike M. Nguyen had 547 Original Medicare patients and 1,440 services. NPI 1639146236. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Mike M. Nguyen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mike M. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Mike M. Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Mike M. Nguyen see?
In 2024, CMS data shows 547 Original Medicare patients and 1,440 services for Mike M. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Mike M. Nguyen's NPI number?
1639146236. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mike M. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients547
Services billed to Medicare1,440
Different services or procedures60
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)419 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)138 services
  3. Diagnostic exam of bladder and urethra using an endoscope (52000)50 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)45 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)33 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis49%
  • Diabetes37%
  • Ischemic heart disease34%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)34%

Hospitals where Mike M. Nguyen works

Medicare's Facility Affiliation Data lists Mike M. Nguyen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Mike M. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists Mike M. Nguyen as a member of this group (CMS data updated October 2, 2026).

  • USC Care Medical Group Inc1,380 clinicians in the group

Specialties

Find other Urology doctors in California →

Other urologists in Los Angeles

Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.

All urologists in Los Angeles →

Other clinicians in USC Care Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639146236
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians