Dr. Joel C. Williams, MD
- Medicare services, 2024
- 149
- Medicare patients, 2024
- 87
- Part D claims, 2024
- 48
- Hospital affiliations
- 3
- Industry payments
- $112,689
- Practice address
- 5666 East State Street, Rockford, IL 61108
- Practice phone
- Call (815) 226-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Williams' professional email, personal email and mobile number
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Dr. Joel C. Williams is an orthopaedic trauma physician in Rockford, Illinois
Dr. Williams practices at OSF Saint Anthony Medical Center in Rockford, Illinois, part of OSF HealthCare System.
Dr. Williams' NPI, 1851553374, was assigned on June 26, 2008. Dr. Williams graduated from Icahn School of Medicine at Mount Sinai in 2008. Dr. Williams holds Illinois license 036.139572.
- NPI
- 1851553374NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901021765
- NPI enumeration date
- June 26, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 226-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joel C. Williams practices at OSF Saint Anthony Medical Center in Rockford, Illinois
Dr. Williams' primary practice is OSF Saint Anthony Medical Center, at 5666 East State Street, Rockford, IL 61108 in Winnebago County. The practice phone is (815) 226-2000.
- OSF Saint Anthony Medical Center5666 East State Street, Rockford, IL 61108 · Winnebago CountyPhone(815) 226-2000
Source: Dmand AI Affiliation Data
Dr. Joel C. Williams is affiliated with 6 sites of care and 3 medical groups
Dr. Williams' primary practice is OSF Saint Anthony Medical Center in Rockford, Illinois, part of OSF HealthCare System. Dr. Williams is also affiliated with Rush University Medical Center. The medical group on file is OrthoIllinois. Dmand AI also links Dr. Williams to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joel C. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF Saint Anthony Medical Center | Available with a free account |
| +5 more sites and 2 medical groups | 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 OSF HealthCare System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joel C. Williams is one of 15 orthopaedic trauma physicians in Illinois
Orthopaedic trauma is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207XX0801X. Dr. Williams is licensed in Illinois.
Specialties and state licenses
- Orthopaedic trauma, IllinoisPrimary
Orthopaedic trauma physicians near Dr. Williams
Counts of orthopaedic trauma physicians 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
Dr. Joel C. Williams billed Medicare for 149 services in 2024
CMS data shows 149 Medicare services from Dr. Williams across 5 procedure codes in 2024, for 87 Medicare patients. Medicare paid $7,842 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 482024: 7760%
- Office and hospital visits
- 2023: 662024: 729%
Dr. Williams compared with the Illinois median for orthopaedic trauma physicians, 2024
- Dr. Williams
- Illinois median
- Medicare services
- 149vs 42565% below
- Medicare patients
- 87vs 15845% below
- Part D claims
- 12vs 4774% below
Medians across 14 orthopaedic trauma physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other orthopaedic trauma physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joel C. Williams treated 87 Medicare patients in 2024, average age 73
CMS counts 87 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have arthritis, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 50, with 65% women.
Dr. Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williams' Medicare patients by sex, 2024
- Women6170%
- Men2630%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure72%
- Osteoporosis45%
- Ischemic heart disease32%
- Anxiety30%
- Diabetes29%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joel C. Williams wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 48 Medicare Part D claims for 22 patients. 90% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $82 in total drug cost. In 2018, CMS named 12 claims across 1 drug.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic43 claims90%
- Brand-name and other5 claims10%
Dr. Williams' most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Williams' Part D claims, 2024
- Opioids48%23 of 48 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2018 to 2020
- 2018
- 2020
- Claims for drugs CMS names
- 2018: 122020: 12No change
Drugs named by CMS: 1 in 2020, 1 in 2018.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Joel C. Williams ranks in the 57th percentile for hip replacement in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 14 procedures of hip replacement by Dr. Williams, more than 57% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Williams ranks in Medicare procedure volume
- Hip replacement
- 57th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Joel C. Williams received $112,689 in industry payments from 2016 to 2025
CMS Open Payments shows 282 general payments to Dr. Williams from 16 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 35% of the total. Synthes GmbH paid the most, $80,026.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Travel and lodging$38,78835%
- Accredited education speaker fees$28,75026%
- Compensation for serving as faculty or as a speaker for a medical education program$18,78517%
- Food and beverage$11,16110%
- Other$13,15112%
Companies that paid Dr. Williams the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joel C. Williams graduated from Icahn School of Medicine at Mount Sinai
Dr. Williams graduated from Icahn School of Medicine at Mount Sinai in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joel C. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Dr. Joel C. 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 Dr. Joel C. Williams' NPI number?
Dr. Joel C. Williams' NPI number is 1851553374. It was assigned on June 26, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Joel C. Williams?
Dr. Joel C. Williams is an orthopaedic trauma physician in Rockford, Illinois. The primary specialty in the NPI Registry is Orthopaedic Trauma Physician (taxonomy code 207XX0801X).
Where does Dr. Joel C. Williams practice?
Dr. Williams practices at 5666 East State Street, Rockford, IL 61108. Dr. Williams' primary practice is OSF Saint Anthony Medical Center in Rockford, Illinois, part of OSF HealthCare System. Dmand AI also links Dr. Williams to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Joel C. Williams' office phone number?
The practice phone on file for Dr. Williams is (815) 226-2000.
What is Dr. Joel C. Williams' medical license number?
Dr. Williams holds Illinois license 036.139572.
Which hospitals is Dr. Joel C. Williams affiliated with?
Dr. Williams practices at OSF Saint Anthony Medical Center in Rockford, Illinois. Dr. Williams is also affiliated with Rush University Medical Center. Dmand AI links Dr. Williams to 1 more hospital.
What medical group is Dr. Joel C. Williams part of?
Dr. Williams is linked to OrthoIllinois. Dmand AI links Dr. Williams to 2 more medical groups.
Does Dr. Joel C. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 149 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Joel C. Williams see?
CMS counts 87 Medicare patients who saw Dr. Williams in 2024, with an average age of 73.
What services does Dr. Joel C. Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were office visit, established patient (99213), diagnostic imaging (73502) and diagnostic imaging (73552).
Show 4 more questionsShow fewer questions
Where did Dr. Joel C. Williams go to medical school?
Dr. Williams graduated from Icahn School of Medicine at Mount Sinai in 2008.
What drugs does Dr. Joel C. Williams prescribe most?
In 2020 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Joel C. Williams received payments from drug or device companies?
CMS Open Payments shows $112,689 in general payments to Dr. Williams from 16 companies from 2016 to 2025. The largest total came from Synthes GmbH.
How long has Dr. Joel C. Williams been practicing?
Dr. Williams graduated from medical school in 2008, 18 years ago.
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