Richard R. Keen, M.D., FACS
Vascular Surgery Physician · Chicago, IL
Richard R. Keen, M.D., FACS is a vascular surgery physician with a practice address in Chicago, Illinois, and NPI 1841394129, issued on Sep 8, 2006. Check the license (Illinois 036-074094, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Richard R. Keen
- Credential
- M.D., FACS
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- 036-074094 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1901 W Harrison St, Chicago, IL 60612
- Phone
- (312) 864-3190
- Enumerated
- Sep 8, 2006
- Record last updated
- Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (312) 864-9802
- Medicare enrollment
- Enrolled (PECOS I20100521000493); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1985
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 197 in Illinois → Look up another NPI →
Also registered at 1901 W Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ayesha Abbasi, MDInternal Medicine Physician1376216705
- Milagros Abellera, APNNurse Practitioner1528076239
- Annette Abraham, MDInfectious Disease Physician1083195093
- Fidel Abrego, MDObstetrics & Gynecology Physician1245351824
- Bryan Acevedo, MDInternal Medicine Physician1598459612
Verify Richard R. Keen 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 036-074094Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average vascular surgery physician in 2024
30 Medicare Part D claims for 13 beneficiaries, against an average of 201 among the 3,936 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.1 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).
Industry payments in 2024: $33.20
1 payment: food and beverage; the largest payer was Intuitive Surgical, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 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 3 group practices
- Cook CountyChicago, IL
- Foundation For Outreach ServicesChicago, IL
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard R. Keen among 197 vascular surgery physician records in Illinois
Richard R. Keen, M.D., FACS is one of 197 vascular surgery physician records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 61% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1985 · median 2005 among the 132 with a school on file
- Record last updated2021 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Illinois
There are 197 vascular surgery physician records in Illinois.
All 197 in Illinois → Every provider in Chicago → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Henry Baraniewski, M.D.Chicago, IL 606121154368025
- Puneet Bhatti, DOChicago, IL 606121396300240
- Erin Farlow, M.D.Chicago, IL 606121386890077
- David LandauChicago, IL 606121083626113
- Sungho Lim, M.D.Chicago, IL 606121851739403
- Walter McCarthy, MDChicago, IL 606121477667681
- Omar Morcos, M.D.Chicago, IL 606121255536355
- Ara Pridjian, MDChicago, IL 606121447344502
Common questions
What is Richard R. Keen, M.D., FACS's NPI number?
Richard R. Keen, M.D., FACS's National Provider Identifier (NPI) is 1841394129, issued on Sep 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard R. Keen, M.D., FACS located?
The NPPES record lists a practice address at 1901 W Harrison St, Chicago, IL, 60612. Phone: (312) 864-3190. Providers update this record themselves, so call before visiting.
How can I verify Richard R. Keen, M.D., FACS's license?
NPPES lists Illinois license number 036-074094, 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 Richard R. Keen, M.D., FACS prescribe under Medicare Part D?
In 2024, Richard R. Keen, M.D., FACS had 30 Medicare Part D claims for 13 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
What is Richard R. Keen, M.D., FACS's MIPS final score?
The 2023 MIPS final score is 87.1 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.