Jose M. Diaz, M.D
NPI 1427078781ActiveIndividual· Pediatrics· Downey, CA
Pediatrics (M.D) with Sin Fronteras Health and Wellness Center, practicing in Downey, California. Their prescriptions cost Medicare Part D more than their services did: $1,561,962 for 13,420 claims, against $26,056 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $494.19 in all, mostly food and beverage.
Overview
| NPI | 1427078781 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Oct 25, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | A76805 | CA |
| General Practice | 208D00000X | A76805 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 58 |
|---|---|
| Services billed | 433 across 20 procedure codes |
| Paid by Medicare | $26,056 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,420 · 20,013 30-day fills |
|---|---|
| Patients | 420 |
| Total drug cost | $1,561,962 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | General Practice, Pediatric Medicine |
Medical group
- Sin Fronteras Health and Wellness CenterLos Angeles, CA · 2 clinicians
Other facilities
- Dignity Home Health Care Services, IncHome health agency · Arcadia, CA
- Home Care Excellence Health Services, IncHome health agency · Cerritos, CA
- Preferred Choice Home Health Care, IncHome health agency · Reseda, CA
Industry payments (Open Payments)
- 2025$494.19 · 22 payments from 9 companies
- 2024$610.34 · 28 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $135.13 | 5 |
| Novo Nordisk Inc | $77.15 | 3 |
| Lilly USA, LLC | $67.11 | 3 |
| Sumitomo Pharma America, Inc. | $51.59 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $51.46 | 3 |
What the 2025 payments were for
- Food and Beverage$494.19 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 pediatricians in Downey · All pediatricians in California