Stephen Williams, MD
NPI 1093886079 · Urology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Williams, MD is a Urology Physician provider in Los Angeles, CA (NPI 1093886079).
Provider details
- NPI number
- 1093886079
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G79866 (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
19 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
920 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 | 180 | $126 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 145 | $11 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 103 | $178 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 79 | $167 |
| Urinalysis, Manual Test81002 | 68 | $3 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 152 | 61 |
| Finasteride | 47 | 25 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 18 | — |
| Mirabegronbrand: Myrbetriq | 14 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 12 | 11 |
| Ciprofloxacin Hcl | 12 | 12 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$438 across 12 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
- 2006-11-13
- Last updated
- 2021-11-29
Frequently asked questions
- What is Stephen Williams's NPI number?
- Stephen Williams's National Provider Identifier (NPI) is 1093886079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Williams's specialty?
- Stephen Williams is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Williams located?
- Stephen Williams's practice location on file with NPPES is 4733 W Sunset Blvd, Los Angeles, CA 90027-6021.
- What is Stephen Williams's phone number?
- The practice phone number listed in the NPPES registry for Stephen Williams is (323) 783-4011.
- Does Stephen Williams accept Medicare?
- Stephen Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Williams's NPI active?
- Yes — Stephen Williams's NPI (1093886079) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.