Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. William S O'Loughlin, DC

Individual provider Chiropractor · NPI 1225127384

Mr. William S O'Loughlin, DC is a Chiropractic in Gaithersburg, Maryland. Graduated from New York Chiropractic College in 1997, 29 years ago. Practices as a sole proprietor. Licensed in Maryland.

Years since qualifying
29
Trained at
New York Chiropractic College
Licensed in
MD
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

811 Russell Ave Ste B
Gaithersburg, MD 20879-3524
Phone: (301) 987-0111
Fax: (301) 987-0114
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence S01866 (MD)

Record details

NPI number1225127384
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedOctober 12, 2006
Last updated in NPPESDecember 16, 2019
Certification dateDecember 16, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Also practisesPHYSICAL MEDICINE AND REHABILITATION
Medical schoolNEW YORK CHIROPRACTIC COLLEGE
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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