Doctor profile · Federal record
Dr. William Cullen, DC
Chiropractor (CMS: Chiropractic) · Rockville, MD
- NPI 1669033049
- Accepts Medicare
- 7 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
451 Hungerford Dr Ste 510
Rockville, MD 208505103
(301) 738-1148
Credentials & registration
- NPI registered
- June 2019 — 7 yrs on file
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- Maryland #S04013
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669033049. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
755
Distinct HCPCS
2
Medicare allowed
$31,114
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 591 | 55 | $44 | |
98940 |
Chiropractic manipulative treatment, 1-2 spinal regions | 164 | 22 | $31 |
In context: peer comparison
Among 5 peers in Rockville Chiropractor, average services per provider: 251. This provider delivers 3.0× the peer median.Frequently asked questions
What is Dr. William Cullen's medical specialty?
Dr. William Cullen practices Chiropractor in Rockville, MD.
Where does Dr. William Cullen practice?
Dr. William Cullen practices at 451 Hungerford Dr Ste 510, Rockville, MD 208505103. Office phone: 3017381148.
What is Dr. William Cullen's NPI?
Dr. William Cullen's National Provider Identifier (NPI) is 1669033049, issued by NPPES.
Does Dr. William Cullen accept Medicare assignment?
Yes. Dr. William Cullen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Cullen commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.