Pilar M. Williamsen, DC
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Pilar Williamsen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Pilar M. Williamsen is a chiropractor in Saint Louis, Missouri
Pilar Williamsen practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Pilar Williamsen's NPI, 1134150873, was assigned on July 5, 2006. Pilar Williamsen graduated from Logan College of Chiropractic in 2000. Pilar Williamsen holds Missouri license 2001020192.
- NPI
- 1134150873NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143325316
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Pilar M. Williamsen practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Pilar Williamsen's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Pilar M. Williamsen is affiliated with 1 site of care and 1 medical group
Pilar Williamsen's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. The medical group on file is Mercy Hospital St. Louis.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Pilar M. Williamsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Pilar Williamsen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Pilar M. Williamsen is one of 1,339 chiropractors in Missouri
Chiropractor is Pilar Williamsen's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Pilar Williamsen is licensed in Missouri.
Specialties and state licenses
- Chiropractor, MissouriPrimary
Chiropractors near Pilar Williamsen
Counts of chiropractors with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Pilar M. Williamsen's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Pilar Williamsen's median patient age at 61, with 100% women.
Pilar Williamsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
How Pilar M. Williamsen takes part in Medicare
Pilar Williamsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Pilar M. Williamsen graduated from Logan College of Chiropractic
Pilar Williamsen graduated from Logan College of Chiropractic in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Pilar M. Williamsen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Pilar M. Williamsen
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What is Pilar M. Williamsen's NPI number?
Pilar M. Williamsen's NPI number is 1134150873. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What does Pilar M. Williamsen specialize in?
Pilar M. Williamsen is a chiropractor in Saint Louis, Missouri. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Pilar M. Williamsen practice?
Pilar Williamsen practices at 615 New Ballas Road, Saint Louis, MO 63141. Pilar Williamsen's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
What is Pilar M. Williamsen's office phone number?
The practice phone on file for Pilar Williamsen is (314) 251-6000.
What is Pilar M. Williamsen's medical license number?
Pilar Williamsen holds Missouri license 2001020192.
Which hospitals is Pilar M. Williamsen affiliated with?
Pilar Williamsen practices at Mercy Hospital St. Louis in Saint Louis, Missouri.
What medical group is Pilar M. Williamsen part of?
Pilar Williamsen is linked to Mercy Hospital St. Louis.
Does Pilar M. Williamsen accept Medicare?
Yes. CMS lists Pilar Williamsen as accepting Medicare assignment.
Where did Pilar M. Williamsen go to medical school?
Pilar Williamsen graduated from Logan College of Chiropractic in 2000.
How long has Pilar M. Williamsen been practicing?
Pilar Williamsen graduated from medical school in 2000, 26 years ago.
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