Doctor profile · Federal record
Dr. Derek Williams, M.D.
Family Medicine Physician (CMS: Family Practice) · Hawthorne, CA
- NPI 1467405753
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11633 Hawthorne Blvd, Suite 410
Hawthorne, CA 902502321
(310) 792-4450
fax (310) 792-4455
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A72933
- Medicaid
- CA #00G157110
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467405753. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
398
Distinct HCPCS
9
Medicare allowed
$39,569
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 158 | 69 | $141 | |
36415 |
Insertion of needle into vein for collection of blood sample | 79 | 54 | $8 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 47 | 47 | $144 | |
83036 |
Hemoglobin a1c level | 26 | 20 | $10 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 16 | $100 | |
G0008 |
Administration of influenza virus vaccine | 19 | 16 | $34 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 18 | 11 | $197 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 17 | 12 | $141 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 15 | 12 | $74 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 71. This provider delivers 5.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,969
Patients
645
Total drug cost
$202,341
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 487 | 167 | $11,113 |
| Amlodipine Besylate | Generic | 334 | 105 | $3,787 |
| Losartan Potassium | Generic | 147 | 46 | $3,728 |
| Lisinopril | Generic | 125 | 40 | $2,015 |
| Metformin Hcl | Generic | 118 | 40 | $1,728 |
| Metoprolol Succinate | Generic | 96 | 31 | $2,382 |
| Hydrochlorothiazide | Generic | 95 | 27 | $750 |
| Levothyroxine Sodium | Generic | 90 | 29 | $2,362 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 83 | 29 | $1,309 |
| Tamsulosin Hcl | Generic | 75 | 27 | $2,614 |
Frequently asked questions
What is Dr. Derek Williams's medical specialty?
Dr. Derek Williams practices Family Medicine Physician in Hawthorne, CA.
Where does Dr. Derek Williams practice?
Dr. Derek Williams practices at 11633 Hawthorne Blvd, Hawthorne, CA 902502321. Office phone: 3107924450.
What is Dr. Derek Williams's NPI?
Dr. Derek Williams's National Provider Identifier (NPI) is 1467405753, issued by NPPES.
Does Dr. Derek Williams accept Medicare assignment?
Yes. Dr. Derek Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.