Dr. John Ryan Willis, MD
- Medicare services, 2024
- 3,645
- Medicare patients, 2024
- 2,621
- MIPS score, 2024
- 75
- Hospital affiliations
- 7
- Medical groups
- 8
- Practice address
- 8 Doctors Park Rd, Mount Vernon, IL 62864
- Practice phone
- Call (618) 244-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Willis' 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.
Dr. John Ryan Willis is a diagnostic radiologist in Mount Vernon, Illinois
Dr. Willis practices at Deaconess Illinois Crossroads in Mount Vernon, Illinois, part of Deaconess Health System.
Dr. Willis' NPI, 1326095670, was assigned on May 30, 2006. Dr. Willis graduated from Southern Illinois University School of Medicine in 1998. Dr. Willis holds Illinois license 36108723.
- NPI
- 1326095670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567440175
- NPI enumeration date
- May 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 244-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Ryan Willis practices at Deaconess Illinois Crossroads in Mount Vernon, Illinois
Dr. Willis' primary practice is Deaconess Illinois Crossroads, at 8 Doctors Park Rd, Mount Vernon, IL 62864 in Jefferson County. The practice phone is (618) 244-5500.
- Deaconess Illinois Crossroads8 Doctors Park Rd, Mount Vernon, IL 62864 · Jefferson CountyPhone(618) 244-5500
Source: Dmand AI Affiliation Data
Dr. John Ryan Willis is affiliated with 9 sites of care and 8 medical groups
Dr. Willis' primary practice is Deaconess Illinois Crossroads in Mount Vernon, Illinois, part of Deaconess Health System. Dr. Willis is also affiliated with SSM Health Good Samaritan Hospital - Mt. Vernon. The medical group on file is Imaging Associates of Indiana. Dmand AI also links Dr. Willis to 5 more hospitals, 7 medical groups, 1 group practice or clinic and 1 rural health clinic, 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. John Ryan Willis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Willis practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Deaconess Illinois Crossroads | Available with a free account |
| +8 more sites and 7 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 Deaconess Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Ryan Willis is one of 1,336 diagnostic radiologists in Illinois
Diagnostic radiology is Dr. Willis' primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Willis is licensed in Illinois.
Specialties and state licenses
- Diagnostic radiology, IllinoisPrimary
Diagnostic radiologists near Dr. Willis
Counts of diagnostic radiologists 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. John Ryan Willis billed Medicare for 3,645 services in 2024
CMS data shows 3,645 Medicare services from Dr. Willis across 52 procedure codes in 2024, for 2,621 Medicare patients. Medicare paid $126,867 for them.
Dr. Willis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,7102024: 3,28611%
- Tests and treatments
- 2023: 2642024: 23113%
- Other services
- 2023: 642024: 7314%
- Surgery
- 2023: 112024: 55400%
Where Dr. Willis' Medicare services took place, 2024
- In an office2266%
- In a facility3,41994%
Dr. Willis compared with the Illinois median for diagnostic radiologists, 2024
- Dr. Willis
- Illinois median
- Medicare services
- 3,645vs 2,57542% above
- Medicare patients
- 2,621vs 1,83643% above
Medians across 1,261 diagnostic radiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Willis' 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. Willis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Willis and other diagnostic radiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Ryan Willis treated 2,621 Medicare patients in 2024, average age 74
CMS counts 2,621 Medicare patients who saw Dr. Willis in 2024. The largest group is 65 to 74, with 1,128 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Willis' median patient age at 68, with 58% women.
Dr. Willis' Medicare patients by age, 2024
Dr. Willis' Medicare patients by sex, 2024
- Women1,76867%
- Men85333%
Chronic conditions among Dr. Willis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis61%
- Anxiety35%
- Diabetes35%
- Ischemic heart disease30%
- COPD28%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Willis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Ryan Willis scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Willis for performance year 2024, reported individually. Dr. Willis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Ryan Willis graduated from Southern Illinois University School of Medicine
Dr. Willis graduated from Southern Illinois University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Ryan Willis'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. John Ryan Willis
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. John Ryan Willis' NPI number?
Dr. John Ryan Willis' NPI number is 1326095670. It was assigned on May 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Ryan Willis?
Dr. John Ryan Willis is a diagnostic radiologist in Mount Vernon, Illinois. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John Ryan Willis practice?
Dr. Willis practices at 8 Doctors Park Rd, Mount Vernon, IL 62864. Dr. Willis' primary practice is Deaconess Illinois Crossroads in Mount Vernon, Illinois, part of Deaconess Health System. Dmand AI also links Dr. Willis to 5 hospitals, 7 medical groups, 1 group practice or clinic and 1 rural health clinic.
What is Dr. John Ryan Willis' office phone number?
The practice phone on file for Dr. Willis is (618) 244-5500.
What is Dr. John Ryan Willis' medical license number?
Dr. Willis holds Illinois license 36108723.
Which hospitals is Dr. John Ryan Willis affiliated with?
Dr. Willis practices at Deaconess Illinois Crossroads in Mount Vernon, Illinois. Dr. Willis is also affiliated with SSM Health Good Samaritan Hospital - Mt. Vernon. Dmand AI links Dr. Willis to 5 more hospitals.
What medical group is Dr. John Ryan Willis part of?
Dr. Willis is linked to Imaging Associates of Indiana. Dmand AI links Dr. Willis to 7 more medical groups.
Does Dr. John Ryan Willis accept Medicare?
Yes. CMS data shows Dr. Willis billed Medicare for 3,645 services in 2024, and Dr. Willis accepts Medicare assignment.
What is Dr. John Ryan Willis' MIPS score?
Dr. Willis' MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. John Ryan Willis see?
CMS counts 2,621 Medicare patients who saw Dr. Willis in 2024, with an average age of 74.
Show 3 more questionsShow fewer questions
What services does Dr. John Ryan Willis bill to Medicare?
In 2024, Dr. Willis' most billed Medicare services were radiation oncology (77067), radiation oncology (77063) and diagnostic imaging (74177).
Where did Dr. John Ryan Willis go to medical school?
Dr. Willis graduated from Southern Illinois University School of Medicine in 1998.
How long has Dr. John Ryan Willis been practicing?
Dr. Willis graduated from medical school in 1998, 28 years ago.
Selling to diagnostic radiology practices?
See diagnostic radiologists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card