Ernie Mun Sung Yim, M.D.
NPI 1730238775ActiveIndividual· Internal Medicine, Pulmonary Disease· Honolulu, HI
Internal Medicine, Pulmonary Disease (M.D.) in Honolulu, Hawaii, trained at Jefferson Medical College of Thomas Jefferson University (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $324,099 for 979 claims, against $18,681 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $2,130 in all, mostly food and beverage.
Overview
| NPI | 1730238775 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 9, 2007 |
| Last updated in NPPES | Apr 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | MD-3585 | HI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 46 |
|---|---|
| Services billed | 204 across 7 procedure codes |
| Paid by Medicare | $18,681 |
Part D prescriptions in 2024
| Prescriptions (claims) | 979 · 2,122 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $324,099 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Kuakini Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$2,130 · 57 payments from 6 companies
- 2024$2,148 · 63 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $1,286 | 25 |
| Genzyme Corporation | $422.20 | 8 |
| Glaxosmithkline, LLC. | $220.12 | 16 |
| Insmed, Inc. | $160.43 | 6 |
| Cook Medical LLC | $25.32 | 1 |
What the 2025 payments were for
- Food and Beverage$2,130 · 57 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 pulmonologists in Honolulu · All pulmonologists in Hawaii