David Williams
NPI 1518012954 · Emergency Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Williams is a Emergency Medicine Physician provider in Los Angeles, CA (NPI 1518012954).
Provider details
- NPI number
- 1518012954
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A86619 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,182 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 459 | $9 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 373 | $190 |
| Critical Care, First 30-74 Minutes99291 | 138 | $238 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 74 | $132 |
| Limited Ultrasound Scan of Abdomen76705 | 56 | $32 |
| Ultrasound of Heart, Follow-Up93308 | 49 |
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 |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 83 | 82 |
| Cephalexin | 50 | 48 |
| Doxycycline Monohydrate | 41 | 41 |
| Ondansetronbrand: Ondansetron Odt | 34 | 33 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 26 | 25 |
| Mupirocin | 24 | 22 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Williams's NPI number?
- David Williams's National Provider Identifier (NPI) is 1518012954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Williams's specialty?
- David Williams is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Williams located?
- David Williams's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90033-1029.
- What is David Williams's phone number?
- The practice phone number listed in the NPPES registry for David Williams is (323) 226-2170.
- Does David Williams accept Medicare?
- David Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Williams's NPI active?
- Yes — David Williams's NPI (1518012954) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.