Justin Anthony Rapoff, D.O.
Internal Medicine Physician · Olympia Fields, IL
Justin Anthony Rapoff, D.O. is an internal medicine physician with a practice address in Olympia Fields, Illinois, and NPI 1174849657, issued on Apr 9, 2010. Check the license (Illinois 036.143739, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Justin Anthony Rapoff
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036.143739 IL
2014017393 MO
Self-reported in NPPES; status is on the state search - Practice location
- 20201 Crawford Ave, Olympia Fields, IL 60461
- Phone
- (708) 747-4000
- Enumerated
- Apr 9, 2010
- Record last updated
- Sep 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170920002859); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 20201 Crawford Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin Anthony Rapoff 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 036.143739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
387 Medicare Part D claims for 220 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Cyclobenzaprine Hcl67 claims
- Prednisone53 claims
- Naproxen39 claims
- Levofloxacin20 claims
- Albuterol Sulfate Hfa17 claims
- Azithromycin15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 96.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Alton-Griffin Emergency Group PCAlton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Anthony Rapoff among 7,238 internal medicine physician records in Illinois
Justin Anthony Rapoff, D.O. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 51% of them.
- NPI issued2010 · 51% of these records are older, 47% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2010 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Olympia Fields
They are 23 of the 684 NPPES records with a practice address in Olympia Fields, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Olympia Fields → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Brandies, M.D.Olympia Fields, IL 604611467405472
- Muhammad Choudry, MDOlympia Fields, IL 604611720074701
- Brian Dyson, DOOlympia Fields, IL 604611346626041
- Mohammed Hussain, MDOlympia Fields, IL 604611942466545
- Rabia Jawed, DOOlympia Fields, IL 604611962907816
- Sanjeev Joshi, M.D.Olympia Fields, IL 604611962467563
- Jacob Kalliath, D.O.Olympia Fields, IL 604611134569395
- Savio Manatt, M.D.Olympia Fields, IL 604611063585032
Common questions
What is Justin Anthony Rapoff, D.O.'s NPI number?
Justin Anthony Rapoff, D.O.'s National Provider Identifier (NPI) is 1174849657, issued on Apr 9, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Justin Anthony Rapoff, D.O. located?
The NPPES record lists a practice address at 20201 Crawford Ave, Olympia Fields, IL, 60461. Phone: (708) 747-4000. Providers update this record themselves, so call before visiting.
How can I verify Justin Anthony Rapoff, D.O.'s license?
NPPES lists Illinois license number 036.143739, 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 Justin Anthony Rapoff, D.O. prescribe under Medicare Part D?
In 2024, Justin Anthony Rapoff, D.O. had 387 Medicare Part D claims for 220 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Justin Anthony Rapoff, D.O.'s MIPS final score?
The 2023 MIPS final score is 96.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.