Ye Eun Kwak, M.D.
NPI 1205218658 · Gastroenterology Physician · Mount Pleasant, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ye Eun Kwak, M.D. is a Gastroenterology Physician provider in Mount Pleasant, WI (NPI 1205218658).
Provider details
- NPI number
- 1205218658
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036.145897 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
275 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 62 | $196 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 50 | $74 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 41 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $117 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 22 | $151 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 215 | 197 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 125 | 118 |
| Omeprazole | 73 | 32 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 67 | 65 |
| Pantoprazole Sodium | 65 | 29 |
| Linaclotidebrand: Linzess | 49 | 13 |
| Peg3350/Sod Sulf,bicarb,cl/Kcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$694 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 630 E North AveCarol Stream, IL 60188-2127Phone: (630) 458-5300
Registry dates
- Enumerated
- 2015-06-22
- Last updated
- 2025-06-16
- Certified
- 2025-06-16
Frequently asked questions
- What is Ye Eun Kwak's NPI number?
- Ye Eun Kwak's National Provider Identifier (NPI) is 1205218658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ye Eun Kwak's specialty?
- Ye Eun Kwak is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ye Eun Kwak located?
- Ye Eun Kwak's practice location on file with NPPES is 8400 Washington Ave, Mount Pleasant, WI 53406-3735.
- What is Ye Eun Kwak's phone number?
- The practice phone number listed in the NPPES registry for Ye Eun Kwak is (262) 884-4000.
- Does Ye Eun Kwak accept Medicare?
- Ye Eun Kwak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ye Eun Kwak's NPI active?
- Yes — Ye Eun Kwak's NPI (1205218658) is active in the NPPES registry as of the last update on 2025-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.