Doctor profile · Federal record
Dr. Jeff Williams, D.C.
Chiropractor (CMS: Chiropractic) · Lancaster, CA
- NPI 1740508258
- Accepts Medicare
- 17 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
44820 10Th St W
Lancaster, CA 935342312
(661) 940-6302
fax (661) 940-6083 - Mailing address
-
2220 E Route 66, Ste 225
Glendora, CA 917407602
Credentials & registration
- NPI registered
- May 2010 — 16 yrs on file
- Profile last updated
- May 17, 2019
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- California #31525
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740508258. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
315
Distinct HCPCS
1
Medicare allowed
$9,492
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98940 |
Chiropractic manipulative treatment, 1-2 spinal regions | 315 | 45 | $30 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 186. This provider delivers 1.7× the peer median.Frequently asked questions
What is Dr. Jeff Williams's medical specialty?
Dr. Jeff Williams practices Chiropractor in Lancaster, CA.
Where does Dr. Jeff Williams practice?
Dr. Jeff Williams practices at 44820 10Th St W, Lancaster, CA 935342312. Office phone: 6619406302.
What is Dr. Jeff Williams's NPI?
Dr. Jeff Williams's National Provider Identifier (NPI) is 1740508258, issued by NPPES.
Does Dr. Jeff Williams accept Medicare assignment?
Yes. Dr. Jeff Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeff Williams commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.