Jeffrey Allen Williams, DC
- Medicare patients, 2024
- 17
- Affiliated sites
- 1
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1231 Frank Scott E Pkwy, O'Fallon, IL 62269
- Practice phone
- Call (618) 234-8300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Shiloh Chiropractic
O'Fallon, Illinois
Find Jeffrey Williams' 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.
Jeffrey Allen Williams is a chiropractor in O'Fallon, Illinois
Jeffrey Williams practices at Shiloh Chiropractic in O'Fallon, Illinois.
Jeffrey Williams' NPI, 1306864137, was assigned on July 18, 2006. Jeffrey Williams graduated from Logan College of Chiropractic in 1999. Jeffrey Williams holds Illinois license 038-008944.
- NPI
- 1306864137NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870597735
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 234-8300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Jeffrey Allen Williams practices at Shiloh Chiropractic in O'Fallon, Illinois
Jeffrey Williams' primary practice is Shiloh Chiropractic, at 1231 Frank Scott E Pkwy, O'Fallon, IL 62269 in Saint Clair County. The practice phone is (618) 234-8300.
- Shiloh Chiropractic1231 Frank Scott E Pkwy, O'Fallon, IL 62269 · Saint Clair CountyPhone(618) 234-8300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Jeffrey Allen Williams is affiliated with 2 sites of care and 4 medical groups
Jeffrey Williams' primary practice is Shiloh Chiropractic in O'Fallon, Illinois. Dmand AI also links Jeffrey Williams to 4 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Jeffrey Allen Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jeffrey Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shiloh Chiropractic | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Jeffrey Allen Williams is one of 2,276 chiropractors in Illinois
Chiropractor is Jeffrey Williams' primary specialty in the NPI Registry, under taxonomy code 111N00000X. Jeffrey Williams is licensed in Illinois.
Specialties and state licenses
- Chiropractor, IllinoisPrimary
Chiropractors near Jeffrey Williams
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
Jeffrey Allen Williams treated 17 Medicare patients in 2024, average age 71
CMS counts 17 Medicare patients who saw Jeffrey Williams in 2024. 75% of them have high cholesterol. Their average risk score is 0.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jeffrey Williams' median patient age at 37, with 66% women.
Chronic conditions among Jeffrey Williams' Medicare patients, 2024
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Jeffrey Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Jeffrey Allen Williams takes part in Medicare
Jeffrey Williams 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)
Jeffrey Allen Williams graduated from Logan College of Chiropractic
Jeffrey Williams graduated from Logan College of Chiropractic in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Jeffrey Allen Williams'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 Jeffrey Allen Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jeffrey Allen Williams' NPI number?
Jeffrey Allen Williams' NPI number is 1306864137. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What does Jeffrey Allen Williams specialize in?
Jeffrey Allen Williams is a chiropractor in O'Fallon, Illinois. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Jeffrey Allen Williams practice?
Jeffrey Williams practices at 1231 Frank Scott E Pkwy, O'Fallon, IL 62269. Jeffrey Williams' primary practice is Shiloh Chiropractic in O'Fallon, Illinois. Dmand AI also links Jeffrey Williams to 4 medical groups and 1 group practice or clinic.
What is Jeffrey Allen Williams' office phone number?
The practice phone on file for Jeffrey Williams is (618) 234-8300.
What is Jeffrey Allen Williams' medical license number?
Jeffrey Williams holds Illinois license 038-008944.
Does Jeffrey Allen Williams accept Medicare?
Yes. CMS lists Jeffrey Williams as accepting Medicare assignment.
How many Medicare patients does Jeffrey Allen Williams see?
CMS counts 17 Medicare patients who saw Jeffrey Williams in 2024, with an average age of 71.
Where did Jeffrey Allen Williams go to medical school?
Jeffrey Williams graduated from Logan College of Chiropractic in 1999.
How long has Jeffrey Allen Williams been practicing?
Jeffrey Williams graduated from medical school in 1999, 27 years ago.
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