Derek Williams, M.D.
NPI 1467405753 · Family Medicine Physician · Hawthorne, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Williams, M.D. is a Family Medicine Physician provider in Hawthorne, CA (NPI 1467405753).
Provider details
- NPI number
- 1467405753
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A72933 (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
20 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
458 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 192 | $140 |
| 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 | 120 | $17 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 69 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 35 | $142 |
| Hemoglobin A1c Level83036 | 30 | $10 |
| Advance Care Planning, First 30 Minutes99497 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 600 | 190 |
| Amlodipine Besylate | 347 | 113 |
| Losartan Potassium | 181 | 59 |
| Metformin Hcl | 147 | 48 |
| Lisinopril | 135 | 47 |
| Metoprolol Succinate | 109 | 33 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2023-03-07
- Certified
- 2021-06-01
Frequently asked questions
- What is Derek Williams's NPI number?
- Derek Williams's National Provider Identifier (NPI) is 1467405753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Williams's specialty?
- Derek Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Williams located?
- Derek Williams's practice location on file with NPPES is 11633 Hawthorne Blvd, Hawthorne, CA 90250-2321.
- What is Derek Williams's phone number?
- The practice phone number listed in the NPPES registry for Derek Williams is (310) 792-4450.
- Does Derek Williams accept Medicare?
- Derek Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Williams's NPI active?
- Yes — Derek Williams's NPI (1467405753) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.