Joseph Ryan Mateo Madamba, M.D.
NPI 1902093305ActiveIndividual· Internal Medicine· Honolulu, HI
Internal Medicine (M.D.) in Honolulu, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $357,719 for 3,196 claims, against $34,613 paid for services in 2024. Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $1,078 in all, mostly food and beverage.
Overview
| NPI | 1902093305 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 28, 2007 |
| Last updated in NPPES | Jul 25, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD15622 | HI |
| Internal Medicine | 207R00000X | A108723 | CA |
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 - Internal Medicine (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 74 |
|---|---|
| Services billed | 502 across 17 procedure codes |
| Paid by Medicare | $34,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,196 · 8,368 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $357,719 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Medical Office ForceHonolulu, HI · 59 clinicians
Hospital affiliations
- Kuakini Medical CenterHonolulu, HI
- Straub Clinic and HospitalHonolulu, HI
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$1,078 · 42 payments from 10 companies
- 2024$1,616 · 62 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $308.41 | 10 |
| Amgen Inc. | $278.89 | 13 |
| Bayer Healthcare Pharmaceuticals Inc. | $166.23 | 5 |
| Astrazeneca Pharmaceuticals LP | $108.57 | 5 |
| Glaxosmithkline, LLC. | $63.93 | 3 |
What the 2025 payments were for
- Food and Beverage$1,078 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 687 internal medicine physicians in Honolulu · All internal medicine physicians in Hawaii