Irene Aluen Metzner, M.D.
NPI 1063698819 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irene Aluen Metzner, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1063698819).
Provider details
- NPI number
- 1063698819
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036119739 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
35 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $79 |
Typical Medicare-allowed amounts for these services range $79–$101 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 95 | 41 |
| Metformin Hcl | 46 | 21 |
| Amlodipine Besylate/Benazeprilbrand: Amlodipine Besylate-Benazepril | 27 | 11 |
| Enalapril Maleate | 27 | 13 |
| Glipizidebrand: Glipizide Er | 23 | — |
| Carvedilol | 19 | — |
| Duloxetine Hcl | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-10
- Last updated
- 2021-04-21
- Certified
- 2021-04-21
Frequently asked questions
- What is Irene Aluen Metzner's NPI number?
- Irene Aluen Metzner's National Provider Identifier (NPI) is 1063698819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Aluen Metzner's specialty?
- Irene Aluen Metzner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Irene Aluen Metzner located?
- Irene Aluen Metzner's practice location on file with NPPES is 1900 W Polk St, Chicago, IL 60612-3723.
- What is Irene Aluen Metzner's phone number?
- The practice phone number listed in the NPPES registry for Irene Aluen Metzner is (312) 864-4462.
- Does Irene Aluen Metzner accept Medicare?
- Irene Aluen Metzner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irene Aluen Metzner's NPI active?
- Yes — Irene Aluen Metzner's NPI (1063698819) is active in the NPPES registry as of the last update on 2021-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.