Joseph Collins Duflot, MD
NPI 1467420679ActiveIndividual· Internal Medicine, Nephrology· Fresno, CA
Internal Medicine, Nephrology (MD) in Fresno, California, trained at University of Texas Medical Branch at Galveston (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $910,113 for 4,353 claims, against $444,190 paid for services in 2024. Amgen Inc. was the largest of 15 companies reporting payments in 2025, $889.00 in all, mostly food and beverage.
Overview
| NPI | 1467420679 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Aug 15, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A44916 | CA |
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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,108 |
|---|---|
| Services billed | 36,705 across 80 procedure codes |
| Paid by Medicare | $444,190 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,353 · 9,728 30-day fills |
|---|---|
| Patients | 772 |
| Total drug cost | $910,113 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Central California Faculty Medical Group IncFresno, CA · 265 clinicians
- The Nephrology Group IncFresno, CA · 51 clinicians
Hospital affiliations
- Clovis Community Medical CenterClovis, CA
- Community Regional Medical CenterFresno, CA
- Saint Agnes Medical CenterFresno, CA
Other facilities
- Community Dialysis CenterDialysis facility · Fresno, CA
- Davita Herndon DialysisDialysis facility · Fresno, CA
- Fkc Central Valley Home TherapyDialysis facility · Fresno, CA
- Fmc ClovisDialysis facility · Clovis, CA
- San Joaquin Valley DialysisDialysis facility · Fresno, CA
- San Joaquin Valley Rehabilitation HospInpatient rehabilitation facility · Fresno, CA
Industry payments (Open Payments)
- 2025$889.00 · 45 payments from 15 companies
- 2024$1,145 · 56 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $245.61 | 17 |
| Travere Therapeutics, Inc. | $121.10 | 6 |
| Astrazeneca Pharmaceuticals LP | $96.90 | 1 |
| Akebia Therapeutics Inc | $90.82 | 4 |
| Otsuka America Pharmaceutical, Inc. | $70.80 | 3 |
What the 2025 payments were for
- Food and Beverage$889.00 · 45 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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