Irene Stephanie Alexandra Aluen Metzner, M.D.
Internal Medicine Physician · Chicago, IL
Irene Stephanie Alexandra Aluen Metzner, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1063698819, issued on Jan 10, 2008. Check the license (Illinois 036119739, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Irene Stephanie Alexandra Aluen Metzner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036119739 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1900 W Polk St, Chicago, IL 60612
- Phone
- (312) 864-4462
- Enumerated
- Jan 10, 2008
- Record last updated
- Apr 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080319000557); 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 1900 W Polk St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carmen Adams, M.D.Obstetrics & Gynecology Physician1972864338
- Sarah Ahmed, CRNACertified Registered Nurse Anesthetist1023395134
- Steven Aks, DOMedical Toxicology (Emergency Medicine) Physician1295810356
- Alejandra Argueta, PA-CPhysician Assistant1407980337
- Annamarie Arias, M.D.Pediatrics Physician1851731756
- Mary Arlandson, D.O.Obstetrics & Gynecology Physician1922261841
Verify Irene Stephanie Alexandra Aluen Metzner 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 036119739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average internal medicine physician in 2024
668 Medicare Part D claims for 75 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium95 claims
- Metformin Hcl46 claims
- Amlodipine Besylate-Benazepril27 claims
- Enalapril Maleate27 claims
- Glipizide Er23 claims
- Carvedilol19 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): 84.6 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
- Cook CountyChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Irene Stephanie Alexandra Aluen Metzner among 7,238 internal medicine physician records in Illinois
Irene Stephanie Alexandra Aluen Metzner, 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
- Graduated2003 · 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).
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
- Keith Boyd, M.D.Chicago, IL 606121174591978
- Lewis Coulson, M.D.Chicago, IL 606121619944931
- Henry Danko, M.D.Chicago, IL 606121780659524
- Denis Evans, M.D.Chicago, IL 606121952385841
- Tabassum Faruqi, M.D.Chicago, IL 606121013968536
- David Goldberg, MDChicago, IL 606121275588444
- Ionut Ilie, M.D.Chicago, IL 606121619926383
- Padma Kudaravalli, M.D.Chicago, IL 606121427004514
Common questions
What is Irene Stephanie Alexandra Aluen Metzner, M.D.'s NPI number?
Irene Stephanie Alexandra Aluen Metzner, M.D.'s National Provider Identifier (NPI) is 1063698819, issued on Jan 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Irene Stephanie Alexandra Aluen Metzner, M.D. located?
The NPPES record lists a practice address at 1900 W Polk St, Chicago, IL, 60612. Phone: (312) 864-4462. Providers update this record themselves, so call before visiting.
How can I verify Irene Stephanie Alexandra Aluen Metzner, M.D.'s license?
NPPES lists Illinois license number 036119739, 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 Irene Stephanie Alexandra Aluen Metzner, M.D. prescribe under Medicare Part D?
In 2024, Irene Stephanie Alexandra Aluen Metzner, M.D. had 668 Medicare Part D claims for 75 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Irene Stephanie Alexandra Aluen Metzner, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.6 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.