Darol Joseff, M.D.
NPI 1669554739ActiveIndividual· Internal Medicine, Nephrology· Santa Barbara, CA
Internal Medicine, Nephrology (M.D.) in Santa Barbara, California, trained at University of Cincinnati College of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $419,603 for 2,292 claims, against $267,569 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 18 companies reporting payments in 2025, $1,899 in all, mostly food and beverage.
Overview
| NPI | 1669554739 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 19, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G46420 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 470 |
|---|---|
| Services billed | 2,187 across 28 procedure codes |
| Paid by Medicare | $267,569 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,292 · 5,301 30-day fills |
|---|---|
| Patients | 238 |
| Total drug cost | $419,603 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Santa Barbara Nephrology, Inc.Santa Barbara, CA · 2 clinicians
Hospital affiliations
- Goleta Valley Cottage HospitalSanta Barbara, CA
- Lompoc Valley Medical CenterLompoc, CA
- Santa Barbara Cottage HospitalSanta Barbara, CA
- Santa Ynez Valley Cottage HospitalSolvang, CA
Other facilities
- Santa Barbara Artificial Kidney Center, LLCDialysis facility · Santa Barbara, CA
- Assisted Home HealthHome health agency · Santa Barbara, CA
- Vna HealthHome health agency · Santa Barbara, CA
Industry payments (Open Payments)
- 2025$1,899 · 79 payments from 18 companies
- 2024$1,549 · 69 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $394.72 | 21 |
| Amgen Inc. | $314.43 | 11 |
| Otsuka America Pharmaceutical, Inc. | $181.50 | 9 |
| Glaxosmithkline, LLC. | $152.26 | 7 |
| Mallinckrodt Hospital Products Inc. | $115.58 | 1 |
What the 2025 payments were for
- Food and Beverage$1,882 · 78 payments
- Education$16.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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