Elmer F. Baysa, MD
NPI 1699829127ActiveIndividual· Internal Medicine· Ewa Beach, HI
Internal Medicine (MD) in Ewa Beach, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $376,854 for 2,986 claims, against $41,586 paid for services in 2024. Amgen Inc. was the largest of 4 companies reporting payments in 2025, $230.84 in all, mostly food and beverage.
Overview
| NPI | 1699829127 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 22, 2007 |
| Last updated in NPPES | Dec 17, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD-4889 | HI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 118 |
|---|---|
| Services billed | 435 across 9 procedure codes |
| Paid by Medicare | $41,586 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,986 · 7,134 30-day fills |
|---|---|
| Patients | 183 |
| Total drug cost | $376,854 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Pali Momi Medical CenterAiea, HI
- The Queens Medical CenterHonolulu, HI
Other facilities
- Bayada Home Health CareHome health agency · Honolulu, HI
Industry payments (Open Payments)
- 2025$230.84 · 7 payments from 4 companies
- 2024$26.81 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $122.89 | 1 |
| Astrazeneca Pharmaceuticals LP | $56.36 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $32.22 | 3 |
| Glaxosmithkline, LLC. | $19.37 | 1 |
What the 2025 payments were for
- Food and Beverage$230.84 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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