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

Dr. Pilar M Williamsen, DC

Individual provider Chiropractor · NPI 1134150873

Dr. Pilar M Williamsen, DC is a Chiropractic in Saint Louis, Missouri. Graduated from Logan College of Chiropractic in 2000, 26 years ago. Practices with Mercy Hospitals East Communities, a 91-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
26
Trained at
Logan College of Chiropractic
Licensed in
MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

2821 N Ballas Rd Ste C55
Saint Louis, MO 63131-2386
Phone: (314) 989-1805
Fax: (314) 989-1836
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 2001020192 (MO)
Acupuncturist Taxonomy 171100000X · Licence 2001020192 (MO)

Record details

NPI number1134150873
Entity typeIndividual (Type 1)
GenderFemale
Credentials DC
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESNovember 17, 2015

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolLOGAN COLLEGE OF CHIROPRACTIC
Graduated 2000 (26 years in practice)
Group practice Mercy Hospitals East Communities — 91 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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