Mike Nguyen, M.D.
NPI 1639146236 · Urology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mike Nguyen, M.D. is a Urology Physician provider in Los Angeles, CA (NPI 1639146236).
Provider details
- NPI number
- 1639146236
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A78318 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
742 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 278 | $136 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 141 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 107 | $96 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 50 | $271 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 33 | $180 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 431 | 152 |
| Finasteride | 149 | 54 |
| Vibegronbrand: Gemtesa | 75 | 18 |
| Potassium Citratebrand: Potassium Citrate Er | 53 | 20 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 38 | 35 |
| Mirabegronbrand: Myrbetriq | 33 | — |
| Alfuzosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$262 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-02
- Last updated
- 2023-11-27
- Certified
- 2020-08-28
Frequently asked questions
- What is Mike Nguyen's NPI number?
- Mike Nguyen's National Provider Identifier (NPI) is 1639146236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mike Nguyen's specialty?
- Mike Nguyen is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Mike Nguyen located?
- Mike Nguyen's practice location on file with NPPES is 1516 San Pablo Street 5th Floor, Los Angeles, CA 90089-5300.
- What is Mike Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Mike Nguyen is (323) 865-3700.
- Does Mike Nguyen accept Medicare?
- Mike Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mike Nguyen's NPI active?
- Yes — Mike Nguyen's NPI (1639146236) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.