Dr. Joyce C. Rii, DO
- Medicare services, 2024
- 744
- Medicare patients, 2024
- 286
- Part D claims, 2024
- 169
- Hospital affiliations
- 4
- Industry payments
- $112
- Practice address
- 2800 W 95th St, Evergreen Park, IL 60805
- Practice phone
- Call (708) 422-6200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rii'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.
Dr. Joyce C. Rii is an infectious disease specialist in Evergreen Park, Illinois
Dr. Rii practices at OSF Little Company of Mary Medical Center in Evergreen Park, Illinois, part of OSF HealthCare System.
Dr. Rii's NPI, 1386891679, was assigned on August 19, 2008. Dr. Rii graduated from Midwestern University, Chicago College of Osteopathic Med in 2006. Dr. Rii holds Illinois license 036121551.
- NPI
- 1386891679NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860678596
- NPI enumeration date
- August 19, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 422-6200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joyce C. Rii practices at OSF Little Company of Mary Medical Center in Evergreen Park, Illinois
Dr. Rii's primary practice is OSF Little Company of Mary Medical Center, at 2800 W 95th St, Evergreen Park, IL 60805 in Cook County. The practice phone is (708) 422-6200.
- OSF Little Company of Mary Medical Center2800 W 95th St, Evergreen Park, IL 60805 · Cook CountyPhone(708) 422-6200
Source: Dmand AI Affiliation Data
Dr. Joyce C. Rii is affiliated with 7 sites of care and 1 medical group
Dr. Rii's primary practice is OSF Little Company of Mary Medical Center in Evergreen Park, Illinois, part of OSF HealthCare System. Dr. Rii is also affiliated with Advocate Christ Medical Center. The medical group on file is Metro Infectious Disease Consultants. Dmand AI also links Dr. Rii to 2 more hospitals, 1 breast imaging center, 1 group practice or clinic and 1 hospital outpatient department, 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. Joyce C. Rii's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rii practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF Little Company of Mary Medical Center | Available with a free account |
| +6 more affiliated sites | 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. Joyce C. Rii is one of 400 infectious disease specialists in Illinois
Infectious disease is Dr. Rii's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Rii is licensed in Illinois.
Specialties and state licenses
- Infectious disease, IllinoisPrimary
Infectious disease specialists near Dr. Rii
Counts of infectious disease specialists 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. Joyce C. Rii billed Medicare for 744 services in 2024
CMS data shows 744 Medicare services from Dr. Rii across 5 procedure codes in 2024, for 286 Medicare patients. Medicare paid $75,533 for them.
Dr. Rii's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7992024: 7299%
- Tests and treatments
- 2023: 542024: 1572%
Where Dr. Rii's Medicare services took place, 2024
- In an office152%
- In a facility72998%
Dr. Rii compared with the Illinois median for infectious disease specialists, 2024
- Dr. Rii
- Illinois median
- Medicare services
- 744vs 44069% above
- Medicare patients
- 286vs 21036% above
- Part D claims
- 74vs 19562% below
Medians across 383 infectious disease specialists in Illinois with Dmand AI profiles that report each measure.
Dr. Rii's 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rii and other infectious disease specialists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joyce C. Rii treated 286 Medicare patients in 2024, average age 73
CMS counts 286 Medicare patients who saw Dr. Rii in 2024. The largest group is 75 to 84, with 99 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 40% are also on Medicaid. Their average risk score is 3.69, 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. Rii's median patient age at 65, with 47% women.
Dr. Rii's Medicare patients by age, 2024
Dr. Rii's Medicare patients by sex, 2024
- Women15052%
- Men13648%
Chronic conditions among Dr. Rii's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease64%
- Arthritis60%
- Diabetes60%
- Heart failure55%
- Ischemic heart disease52%
- COPD45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rii's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joyce C. Rii wrote 169 Medicare Part D claims in 2024
In 2024, Dr. Rii wrote 169 Medicare Part D claims for 77 patients. 90% of them were for generic drugs. CMS names the drug for 74 of them, across 4 drugs with 11 or more claims each, at $9,525 in total drug cost. In 2023, CMS named 43 claims across 3 drugs.
Dr. Rii's Part D claims by kind of drug, 2024
- Generic152 claims90%
- Brand-name17 claims10%
Dr. Rii's most prescribed drugs by claims, 2024
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. Rii's Part D claims, 2024
- Antibiotics85%143 of 169 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 432024: 7472%
Drugs named by CMS: 4 in 2024, 3 in 2023.
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
How Dr. Joyce C. Rii takes part in Medicare
Dr. Rii 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)
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Dr. Joyce C. Rii received $112 in industry payments from 2021 to 2025
CMS Open Payments shows 5 general payments to Dr. Rii from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $51.
General payments to Dr. Rii by program year, 2021 to 2025
Companies that paid Dr. Rii the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joyce C. Rii graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Rii graduated from Midwestern University, Chicago College of Osteopathic Med in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joyce C. Rii'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) |
| 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. Joyce C. Rii
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. Joyce C. Rii's NPI number?
Dr. Joyce C. Rii's NPI number is 1386891679. It was assigned on August 19, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Joyce C. Rii?
Dr. Joyce C. Rii is an infectious disease specialist in Evergreen Park, Illinois. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Joyce C. Rii practice?
Dr. Rii practices at 2800 W 95th St, Evergreen Park, IL 60805. Dr. Rii's primary practice is OSF Little Company of Mary Medical Center in Evergreen Park, Illinois, part of OSF HealthCare System. Dmand AI also links Dr. Rii to 2 hospitals, 1 breast imaging center, 1 group practice or clinic and 1 hospital outpatient department.
What is Dr. Joyce C. Rii's office phone number?
The practice phone on file for Dr. Rii is (708) 422-6200.
What is Dr. Joyce C. Rii's medical license number?
Dr. Rii holds Illinois license 036121551.
Which hospitals is Dr. Joyce C. Rii affiliated with?
Dr. Rii practices at OSF Little Company of Mary Medical Center in Evergreen Park, Illinois. Dr. Rii is also affiliated with Advocate Christ Medical Center. Dmand AI links Dr. Rii to 2 more hospitals.
What medical group is Dr. Joyce C. Rii part of?
Dr. Rii is linked to Metro Infectious Disease Consultants.
Does Dr. Joyce C. Rii accept Medicare?
Yes. CMS data shows Dr. Rii billed Medicare for 744 services in 2024, and Dr. Rii accepts Medicare assignment.
How many Medicare patients does Dr. Joyce C. Rii see?
CMS counts 286 Medicare patients who saw Dr. Rii in 2024, with an average age of 73.
What services does Dr. Joyce C. Rii bill to Medicare?
In 2024, Dr. Rii's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Joyce C. Rii go to medical school?
Dr. Rii graduated from Midwestern University, Chicago College of Osteopathic Med in 2006.
What drugs does Dr. Joyce C. Rii prescribe most?
In 2024 Medicare Part D data, Dr. Rii's most prescribed drugs by claims were Ertapenem, Ciprofloxacin HCl and Amoxicillin-Clavulanate Potass.
Has Dr. Joyce C. Rii received payments from drug or device companies?
CMS Open Payments shows $112 in general payments to Dr. Rii from 3 companies from 2021 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Joyce C. Rii been practicing?
Dr. Rii graduated from medical school in 2006, 20 years ago.
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