NPPES file of Aug 9, 2026

William Jospeh Cullen, DC

Chiropractor · Rockville, MD

William Jospeh Cullen, DC is a chiropractor with a practice address in Rockville, Maryland, and NPI 1669033049, issued on Jun 26, 2019. Check the license (Maryland S04013, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669033049
Name
William Jospeh Cullen
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
S04013 MD
Self-reported in NPPES; status is on the state search
Practice location
451 Hungerford Dr Ste 510, Rockville, MD 20850
Phone
(301) 738-1148
Enumerated
Jun 26, 2019
Record last updated
Jun 26, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201231001257); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 451 Hungerford Dr Ste 510

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Roson Ray, DCChiropractor1689181539
  2. Tyler Warren, DCChiropractor1982399622

Verify William Jospeh Cullen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license S04013
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Movement Chiropractic And Physical TherapyRockville, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

65 chiropractor records list a practice address in Rockville

They are 65 of the 14,353 NPPES records with a practice address in Rockville, and 881 chiropractor records in Maryland.

Other chiropractor records in Maryland

  1. Fredrick Aaron, DCCollege Park, MD1467625798
  2. Ashkan AazamiLandover Hills, MD1528193901
  3. Garrett AbadomLaurel, MD1700384500
  4. Victor AbadomBaltimore, MD1265939722
  5. Paul Abosh, DCNottingham, MD1407827082
  6. Ted Abramson, DCBaltimore, MD1558467019
  7. Lukumonu Adisa, DCSilver Spring, MD1235498452
  8. Aric Adlam, D.CLanham, MD1770918252
  9. Beverley Adler, D.C.Baltimore, MD1295035897
  10. John Adolph, D.C.Baltimore, MD1396825477

Common questions

What is William Jospeh Cullen, DC's NPI number?

William Jospeh Cullen, DC's National Provider Identifier (NPI) is 1669033049, issued on Jun 26, 2019. An NPI identifies a provider in billing; it is not a license.

Where is William Jospeh Cullen, DC located?

The NPPES record lists a practice address at 451 Hungerford Dr Ste 510, Rockville, MD, 20850. Phone: (301) 738-1148. Providers update this record themselves, so call before visiting.

How can I verify William Jospeh Cullen, DC's license?

NPPES lists Maryland license number S04013, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.