John Manuel Hernandez, MD
NPI 1073683546ActiveIndividual· Internal Medicine· Montebello, CA
Internal Medicine (MD) in Montebello, California, licensed in CA, with an NPI issued in November 2006. Their prescriptions cost Medicare Part D more than their services did: $1,000,911 for 12,776 claims, against $103,392 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 10 companies reporting payments in 2025, $571.54 in all, mostly food and beverage. Lists Adventist Health White Memorial as a hospital affiliation.
Overview
| NPI | 1073683546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 9, 2006 |
| Last updated in NPPES | Mar 31, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A42641 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 296 |
|---|---|
| Services billed | 1,469 across 46 procedure codes |
| Paid by Medicare | $103,392 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,776 · 23,758 30-day fills |
|---|---|
| Patients | 567 |
| Total drug cost | $1,000,911 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Adventist Health White MemorialLos Angeles, CA
Other facilities
- S N E Home Health Care ServicesHome health agency · Whittier, CA
Industry payments (Open Payments)
- 2025$571.54 · 22 payments from 10 companies
- 2024$849.07 · 50 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $118.49 | 4 |
| Mannkind Corporation | $92.16 | 3 |
| Corcept Therapeutics | $75.11 | 2 |
| Lilly USA, LLC | $73.29 | 3 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $52.24 | 3 |
What the 2025 payments were for
- Food and Beverage$529.04 · 21 payments
- Education$42.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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