Doctor profile · Federal record
Dr. John McWilliams, DC
Chiropractor (CMS: Chiropractic) · Purcellville, VA
- NPI 1083702112
- Accepts Medicare
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 F South Maple Avenue
Purcellville, VA 20132
(540) 338-1663
fax (540) 338-1668 - Mailing address
-
Po Box 2292
Purcellville, VA 201342292
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- Virginia #0104000822
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083702112. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
219
Distinct HCPCS
1
Medicare allowed
$8,592
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 219 | 26 | $39 |
In context: peer comparison
Among 2 peers in Purcellville Chiropractor, average services per provider: 464. This provider delivers 0.5× the peer median.Frequently asked questions
What is Dr. John McWilliams's medical specialty?
Dr. John McWilliams practices Chiropractor in Purcellville, VA.
Where does Dr. John McWilliams practice?
Dr. John McWilliams practices at 101 F South Maple Avenue, Purcellville, VA 20132. Office phone: 5403381663.
What is Dr. John McWilliams's NPI?
Dr. John McWilliams's National Provider Identifier (NPI) is 1083702112, issued by NPPES.
Does Dr. John McWilliams accept Medicare assignment?
Yes. Dr. John McWilliams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John McWilliams commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.