Melchor Madarang, MD
NPI 1013975366ActiveIndividual· Internal Medicine, Infectious Disease· Oxford, FL
Internal Medicine, Infectious Disease (MD) with Cora Health Services Inc and 2 other groups, practicing in Oxford, Florida. Their prescriptions cost Medicare Part D more than their services did: $3,007,422 for 10,643 claims, against $230,613 paid for services in 2024. Dexcom, Inc. was the largest of 3 companies reporting payments in 2025, $377.82 in all, mostly food and beverage. Lists Uf Health Leesburg Hospital as a hospital affiliation.
Overview
| NPI | 1013975366 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | ME122301 | FL |
| Internal Medicine, Infectious Disease | 207RI0200X | 25MA07398100 | NJ |
| Family Medicine | 207Q00000X | D0059223 | MD |
| Internal Medicine, Infectious Disease | 207RI0200X | D0059223 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 479 |
|---|---|
| Services billed | 3,998 across 103 procedure codes |
| Paid by Medicare | $230,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,643 · 27,969 30-day fills |
|---|---|
| Patients | 1,054 |
| Total drug cost | $3,007,422 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
| Telehealth | Offers telehealth |
Medical groups
- Cora Health Services IncThe Villages, FL · 1,136 clinicians
- Premier Medical Associates of Florida Healthcare, PAThe Villages, FL · 64 clinicians
- Family Internal Medicine of OcalaOcala, FL · 7 clinicians
Hospital affiliation
- Uf Health Leesburg HospitalLeesburg, FL
Other facilities
- Centerwell Home HealthHome health agency · The Villages, FL
Industry payments (Open Payments)
- 2025$377.82 · 3 payments from 3 companies
- 2024$624.63 · 10 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $130.81 | 1 |
| Phathom Pharmaceuticals, Inc. | $124.01 | 1 |
| Lilly USA, LLC | $123.00 | 1 |
What the 2025 payments were for
- Food and Beverage$377.82 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records