James Hwong, M.D.
NPI 1629335476 · Urology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Hwong, M.D. is a Urology Physician provider in Los Angeles, CA (NPI 1629335476).
Provider details
- NPI number
- 1629335476
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,025 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 | 308 | $154 |
| Urinalysis, Manual Test81002 | 290 | $3 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 144 | $19 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 100 | $198 |
| Manual Urinalysis Test With Examination Using Microscope, Non-Automated81000 | 46 | $4 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 717 | 268 |
| Vibegronbrand: Gemtesa | 247 | 64 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 191 | 69 |
| Finasteride | 141 | 64 |
| Ciprofloxacin Hcl | 132 | 109 |
| Relugolixbrand: Orgovyx | 131 | 18 |
| Enzalutamidebrand: Xtandi | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$994 across 33 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
Additional practice locations (1)
- 75 Francis StBoston, MA 02115-6110Phone: (617) 732-5500
Registry dates
- Enumerated
- 2012-04-18
- Last updated
- 2022-07-21
Frequently asked questions
- What is James Hwong's NPI number?
- James Hwong's National Provider Identifier (NPI) is 1629335476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Hwong's specialty?
- James Hwong is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is James Hwong located?
- James Hwong's practice location on file with NPPES is 10833 Le Conte Ave, Los Angeles, CA 90095-6110.
- What is James Hwong's phone number?
- The practice phone number listed in the NPPES registry for James Hwong is (310) 794-7700.
- Does James Hwong accept Medicare?
- James Hwong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Hwong's NPI active?
- Yes — James Hwong's NPI (1629335476) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.