NPPES file of Aug 9, 2026

Karen Raden, D.O.

Internal Medicine Physician · Chicago, IL

Karen Raden, D.O. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1265688030, issued on Aug 13, 2008. Check the license (Illinois 036120819, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265688030
Name
Karen Raden
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036120819 IL
Self-reported in NPPES; status is on the state search
Practice location
2701 W 68TH St, Chicago, IL 60629
Phone
(773) 884-9000
Enumerated
Aug 13, 2008
Record last updated
Aug 13, 2008 (not updated in 18 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2701 W 68TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shri Agrawal, M.D.Rheumatology Physician1912937178
  2. Masroor AhmedPsychiatry Physician1720690928
  3. Margaux Albair, PA-CMedical Physician Assistant1558506238
  4. Paul Allegretti, D.O.Emergency Medicine Physician1932121332
  5. Sarah Argentine, AGPCNP-BCAdult Health Nurse Practitioner1073069381
  6. Susan Arjmand, M.D.Emergency Medicine Physician1972525384

Verify Karen Raden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036120819
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

266 Medicare Part D claims for 113 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Karen Raden266
  2. Specialty average3,176

Most prescribed

  1. Omeprazole22 claims
  2. Tamsulosin Hcl22 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.

Karen Raden among 7,238 internal medicine physician records in Illinois

Karen Raden, 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 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 fileNo · 50% of these records are
  • 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Eleazar Calero, MDChicago, IL 606291336280122
  2. Jorge Cavero, M.D.Chicago, IL 606291093703209
  3. Lillian De Leon, MDChicago, IL 606291134142193
  4. Maureen Fausone, MDChicago, IL 606291982223160
  5. Jolan Fejes, M. D.Chicago, IL 606291891833075
  6. Ann Garcelon, M.D.Chicago, IL 606291750364212
  7. Martin Lindenberger, M.D.Chicago, IL 606291013981463
  8. Michael McDonnell, M.D.Chicago, IL 606291467436972

Common questions

What is Karen Raden, D.O.'s NPI number?

Karen Raden, D.O.'s National Provider Identifier (NPI) is 1265688030, issued on Aug 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Karen Raden, D.O. located?

The NPPES record lists a practice address at 2701 W 68TH St, Chicago, IL, 60629. Phone: (773) 884-9000. Providers update this record themselves, so call before visiting.

How can I verify Karen Raden, D.O.'s license?

NPPES lists Illinois license number 036120819, 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 Karen Raden, D.O. prescribe under Medicare Part D?

In 2024, Karen Raden, D.O. had 266 Medicare Part D claims for 113 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.