William S. O'Loughlin, DC
Chiropractor · Gaithersburg, MD
William S. O'Loughlin, DC is a chiropractor with a practice address in Gaithersburg, Maryland, and NPI 1225127384, issued on Oct 12, 2006. Check the license (Maryland S01866, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William S. O'Loughlin
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- S01866 MD
Self-reported in NPPES; status is on the state search - Practice location
- 811 Russell Ave Ste B, Gaithersburg, MD 20879
- Phone
- (301) 987-0111
- Enumerated
- Oct 12, 2006
- Record last updated
- Dec 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (301) 987-0114
- Medicare enrollment
- Enrolled (PECOS I20050909000935); may accept Medicare assignment
- Medical or professional school
- New York Chiropractic College, 1997
- Entity
- Type 1 · individual
Also registered at 811 Russell Ave Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Banner, LMTMassage Therapist1982831061
- Dolores Zumbado, DCChiropractor1265533012
Verify William S. O'Loughlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license S01866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Rxwellness Spine And Health - BowieBowie, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
23 chiropractor records list a practice address in Gaithersburg
They are 23 of the 2,580 NPPES records with a practice address in Gaithersburg, and 881 chiropractor records in Maryland.
All 23 in Gaithersburg → All 881 in Maryland → Every provider in Gaithersburg →
Other chiropractor records in Maryland
- Fredrick Aaron, DCCollege Park, MD1467625798
- Ashkan AazamiLandover Hills, MD1528193901
- Garrett AbadomLaurel, MD1700384500
- Victor AbadomBaltimore, MD1265939722
- Paul Abosh, DCNottingham, MD1407827082
- Ted Abramson, DCBaltimore, MD1558467019
- Lukumonu Adisa, DCSilver Spring, MD1235498452
- Aric Adlam, D.CLanham, MD1770918252
- Beverley Adler, D.C.Baltimore, MD1295035897
- John Adolph, D.C.Baltimore, MD1396825477
Common questions
What is William S. O'Loughlin, DC's NPI number?
William S. O'Loughlin, DC's National Provider Identifier (NPI) is 1225127384, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William S. O'Loughlin, DC located?
The NPPES record lists a practice address at 811 Russell Ave Ste B, Gaithersburg, MD, 20879. Phone: (301) 987-0111. Providers update this record themselves, so call before visiting.
How can I verify William S. O'Loughlin, DC's license?
NPPES lists Maryland license number S01866, 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.