Doctor profile · Federal record
Dr. Roger Williams, DC
Chiropractor (CMS: Chiropractic) · Johnson City, TN
- NPI 1790385888
- Accepts Medicare
- 6 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
121 N Commerce St Ste 212
Johnson City, TN 376044712
(423) 220-6039
Credentials & registration
- NPI registered
- October 2020 — 6 yrs on file
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- Tennessee #3326
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790385888. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
970
Distinct HCPCS
1
Medicare allowed
$25,231
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98940 |
Chiropractic manipulative treatment, 1-2 spinal regions | 970 | 156 | $26 |
In context: peer comparison
Among 10 peers in Johnson City Chiropractor, average services per provider: 449. This provider delivers 2.2× the peer median.Frequently asked questions
What is Dr. Roger Williams's medical specialty?
Dr. Roger Williams practices Chiropractor in Johnson City, TN.
Where does Dr. Roger Williams practice?
Dr. Roger Williams practices at 121 N Commerce St Ste 212, Johnson City, TN 376044712. Office phone: 4232206039.
What is Dr. Roger Williams's NPI?
Dr. Roger Williams's National Provider Identifier (NPI) is 1790385888, issued by NPPES.
Does Dr. Roger Williams accept Medicare assignment?
Yes. Dr. Roger Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roger 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.