Joseph Edward Castillo Chan, M.D.
NPI 1235384017ActiveIndividual· Internal Medicine· Venice, FL
Internal Medicine (M.D.) with Millennium Physician Group LLC and 1 other group, practicing in Venice, Florida. Their prescriptions cost Medicare Part D more than their services did: $827,934 for 10,618 claims, against $215,665 paid for services in 2024. Exact Sciences Corporation reported $33.57 in payments in 2025, mostly food and beverage. Lists Sarasota Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1235384017 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 20, 2008 |
| Last updated in NPPES | Aug 15, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME116702 | FL |
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 - Nephrology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 483 |
|---|---|
| Services billed | 8,527 across 83 procedure codes |
| Paid by Medicare | $215,665 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,618 · 26,084 30-day fills |
|---|---|
| Patients | 843 |
| Total drug cost | $827,934 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Millennium Physician Group LLCJacksonville, FL · 982 clinicians
- Empath Therapies LLCVenice, FL · 113 clinicians
Hospital affiliations
- Sarasota Memorial HospitalSarasota, FL
- Sarasota Memorial Hospital - VeniceNorth Venice, FL
Other facilities
- Amedisys Home HealthHome health agency · Venice, FL
- Millennium Home Care LLCHome health agency · Port Charlotte, FL
- Sarasota Memorial HomecareHome health agency · Sarasota, FL
Industry payments (Open Payments)
- 2025$33.57 · 1 payment from 1 company
- 2024$506.81 · 20 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $33.57 | 1 |
What the 2025 payments were for
- Food and Beverage$33.57 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 internal medicine physicians in Venice · All internal medicine physicians in Florida