Ronald Lee Workman, M.D.
Internal Medicine Physician · Chicago, IL
Ronald Lee Workman, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1336305119, issued on Jul 31, 2008. Check the license (Illinois 125055107, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ronald Lee Workman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125055107 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2801 N Oakley Ave Apt 103, Chicago, IL 60618
- Phone
- (773) 677-6898
- Enumerated
- Jul 31, 2008
- Record last updated
- Jul 31, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110908001868); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Ronald Lee Workman 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 125055107Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
17 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Lee Workman among 7,238 internal medicine physician records in Illinois
Ronald Lee Workman, M.D. 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 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2008 · median 2003 among the 3,580 with a school on file
- Record last updated2008 · 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).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Irene Baral, M.D.Chicago, IL 606181982658373
- George Czajkowski, M.D.Chicago, IL 606181821021007
- Desiree Fabros-Munez, M.D.Chicago, IL 606181609800697
- Daniel Garrison, MDChicago, IL 606181215913652
- Maria Ignacio, M.D.Chicago, IL 606181780607721
- Danuta Kowalski, M.D.Chicago, IL 606181114947926
- Ireneusz Pawlowski, MDChicago, IL 606181588774616
- Neil Perlman, MDChicago, IL 606181245238344
Common questions
What is Ronald Lee Workman, M.D.'s NPI number?
Ronald Lee Workman, M.D.'s National Provider Identifier (NPI) is 1336305119, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Lee Workman, M.D. located?
The NPPES record lists a practice address at 2801 N Oakley Ave Apt 103, Chicago, IL, 60618. Phone: (773) 677-6898. Providers update this record themselves, so call before visiting.
How can I verify Ronald Lee Workman, M.D.'s license?
NPPES lists Illinois license number 125055107, 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 Ronald Lee Workman, M.D. prescribe under Medicare Part D?
In 2024, Ronald Lee Workman, M.D. had 17 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ronald Lee Workman, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. 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.