Casey David Williams, FNP
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 530 NE Glen Oak Ave, Peoria, IL 61603
- Practice phone
- Call (309) 655-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OSF St Francis Medical Center & Children's Hospital of Illinois
Peoria, Illinois
Find Casey 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.
Casey David Williams is a primary care nurse practitioner in Peoria, Illinois
Casey Williams practices at OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois.
Casey Williams' NPI, 1992670053, was assigned on October 8, 2025. Casey Williams holds Illinois license 209.033457.
- NPI
- 1992670053NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103315502
- NPI enumeration date
- October 8, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (309) 655-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Casey David Williams practices at OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois
Casey Williams' primary practice is OSF St Francis Medical Center & Children's Hospital of Illinois, at 530 NE Glen Oak Ave, Peoria, IL 61603 in Peoria County. The practice phone is (309) 655-2000.
- OSF St Francis Medical Center & Children's Hospital of Illinois530 NE Glen Oak Ave, Peoria, IL 61603 · Peoria CountyPhone(309) 655-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Casey David Williams is affiliated with 4 sites of care and 2 medical groups
Casey Williams' primary practice is OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois. Casey Williams is also affiliated with OSF Saint Francis Medical Center. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Casey Williams to 2 more group practices and clinics and 1 medical group, 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 Casey David Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Casey Williams practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF St Francis Medical Center & Children's Hospital of Illinois | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Casey David Williams is one of 267 primary care nurse practitioners in Illinois
Primary care is Casey Williams' primary specialty in the NPI Registry, under taxonomy code 363LP2300X. Casey Williams is licensed in Illinois.
Specialties and state licenses
- Primary care nurse practitioner, IllinoisPrimary
Primary care nurse practitioners near Casey Williams
Counts of primary care nurse practitioners 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
Casey David Williams' patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Casey Williams' median patient age at 71, with 53% women.
Casey Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
How Casey David Williams takes part in Medicare
Casey 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)
Sources for Casey David 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 Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Casey David 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 Casey David Williams' NPI number?
Casey David Williams' NPI number is 1992670053. It was assigned on October 8, 2025, and it is active in the NPI Registry.
What does Casey David Williams specialize in?
Casey David Williams is a primary care nurse practitioner in Peoria, Illinois. The primary specialty in the NPI Registry is Primary Care Nurse Practitioner (taxonomy code 363LP2300X).
Where does Casey David Williams practice?
Casey Williams practices at 530 NE Glen Oak Ave, Peoria, IL 61603. Casey Williams' primary practice is OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois. Dmand AI also links Casey Williams to 2 group practices and clinics and 1 medical group.
What is Casey David Williams' office phone number?
The practice phone on file for Casey Williams is (309) 655-2000.
What is Casey David Williams' medical license number?
Casey Williams holds Illinois license 209.033457.
Which hospitals is Casey David Williams affiliated with?
Casey Williams is affiliated with OSF Saint Francis Medical Center.
What medical group is Casey David Williams part of?
Casey Williams is linked to OSF Multi-Specialty Group. Dmand AI links Casey Williams to 1 more medical group.
Does Casey David Williams accept Medicare?
Yes. CMS lists Casey Williams as accepting Medicare assignment.
How long has Casey David Williams been practicing?
Casey Williams graduated from medical school in 2025, 1 years ago.
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