Joyce Rii, D.O.
Infectious Disease Physician · Crestwood, IL
Joyce Rii, D.O. is an infectious disease physician with a practice address in Crestwood, Illinois, and NPI 1386891679, issued on Aug 19, 2008. Check the license (Illinois 036121551, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Joyce Rii
- Credential
- D.O.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036121551 IL
Self-reported in NPPES; status is on the state search - Practice location
- 13755 Cicero Ave, Crestwood, IL 60445
- Phone
- (888) 220-6432
- Enumerated
- Aug 19, 2008
- Record last updated
- May 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (630) 654-4253
- Medicare enrollment
- Enrolled (PECOS I20110513000691); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2006
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 13755 Cicero Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zafar Ahmed, MDInternal Medicine Physician1700872272
- Deborah Basile, MDInternal Medicine Physician1497741953
- Robert Fliegelman, DOInfectious Disease Physician1821084120
- Dorota Krezolek, M.D.Infectious Disease Physician1881728509
- Sampath Kumar, MDInfectious Disease Physician1386630622
- Walter Marbach, MDRheumatology Physician1891703591
Verify Joyce Rii in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036121551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average infectious disease physician in 2024
169 Medicare Part D claims for 77 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Ertapenem26 claims
- Ciprofloxacin Hcl21 claims
- Amoxicillin-Clavulanate Potass15 claims
- Doxycycline Hyclate12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $34.57
2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Metro Infectious Disease Consultants LLCCrestwood, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joyce Rii among 464 infectious disease physician records in Illinois
Joyce Rii, D.O. is one of 464 infectious disease physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2006 · median 2004 among the 311 with a school on file
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 infectious disease physician records list a practice address in Crestwood
They are 13 of the 164 NPPES records with a practice address in Crestwood, and 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Crestwood → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Michael Anderson, M.D.Crestwood, IL 604451558593376
- Sheila Barry, M.D./PH.D.Crestwood, IL 604451295051860
- Robert Fliegelman, DOCrestwood, IL 604451821084120
- Joseph Kent, MDCrestwood, IL 604451649266933
- Dorota Krezolek, M.D.Crestwood, IL 604451881728509
- Sampath Kumar, MDCrestwood, IL 604451386630622
- Kamo Sidhwa, MDCrestwood, IL 604451124169685
- Brian Yu, M.D.Crestwood, IL 604451831311505
Common questions
What is Joyce Rii, D.O.'s NPI number?
Joyce Rii, D.O.'s National Provider Identifier (NPI) is 1386891679, issued on Aug 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joyce Rii, D.O. located?
The NPPES record lists a practice address at 13755 Cicero Ave, Crestwood, IL, 60445. Phone: (888) 220-6432. Providers update this record themselves, so call before visiting.
How can I verify Joyce Rii, D.O.'s license?
NPPES lists Illinois license number 036121551, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joyce Rii, D.O. prescribe under Medicare Part D?
In 2024, Joyce Rii, D.O. had 169 Medicare Part D claims for 77 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.