Euna Chi, MD
NPI 1669762555 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Euna Chi, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1669762555).
Provider details
- NPI number
- 1669762555
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
295 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 | 106 | $98 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 99 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 49 | $82 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $150 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 13 | $84 |
Typical Medicare-allowed amounts for these services range $17–$150 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 116 | 41 |
| Amlodipine Besylate | 84 | 26 |
| Gabapentin | 41 | 16 |
| Losartan Potassium | 35 | 14 |
| Hydrochlorothiazide | 31 | 11 |
| Levothyroxine Sodium | 31 | — |
| Omeprazole | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-12
- Last updated
- 2016-04-26
Frequently asked questions
- What is Euna Chi's NPI number?
- Euna Chi's National Provider Identifier (NPI) is 1669762555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Euna Chi's specialty?
- Euna Chi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Euna Chi located?
- Euna Chi's practice location on file with NPPES is 1801 W Taylor St # 3aa, Chicago, IL 60612-4795.
- What is Euna Chi's phone number?
- The practice phone number listed in the NPPES registry for Euna Chi is (312) 413-3627.
- Does Euna Chi accept Medicare?
- Euna Chi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Euna Chi's NPI active?
- Yes — Euna Chi's NPI (1669762555) is active in the NPPES registry as of the last update on 2016-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.