Joseph C. Barbara, M.D.
NPI 1831119486ActiveIndividual· Family Medicine· Gilroy, CA
Family Medicine (M.D.) in Gilroy, California, trained at Medical College of Wisconsin (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $866,848 for 7,847 claims, against $120,098 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $1,924 in all, mostly food and beverage.
Overview
| NPI | 1831119486 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Aug 24, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G28075 | 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 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 503 |
|---|---|
| Services billed | 1,736 across 20 procedure codes |
| Paid by Medicare | $120,098 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,847 · 15,497 30-day fills |
|---|---|
| Patients | 875 |
| Total drug cost | $866,848 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Family Practice |
| Secondary specialties | General Practice |
| Telehealth | Offers telehealth |
Hospital affiliations
- Hazel Hawkins Memorial HospitalHollister, CA
- Santa Clara Valley Medical CenterSan Jose, CA
Other facilities
- Ace Home Health Care & Hospice, IncHome health agency · Orinda, CA
- Best Home Health Providers, IncHome health agency · Hayward, CA
- Care MustHome health agency · San Jose, CA
- Health Link Home Health AgencyHome health agency · San Francisco, CA
- Sequoia Home HealthHome health agency · Milpitas, CA
Industry payments (Open Payments)
- 2025$1,924 · 99 payments from 17 companies
- 2024$2,006 · 103 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $448.87 | 30 |
| Amgen Inc. | $270.59 | 12 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $187.23 | 7 |
| Glaxosmithkline, LLC. | $184.83 | 9 |
| Novo Nordisk Inc | $183.58 | 9 |
What the 2025 payments were for
- Food and Beverage$1,924 · 99 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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