Maximiliano Hyon, D.O.
NPI 1942626767ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fullerton, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (D.O.) with Providence Medical Foundation and 1 other group, practicing in Fullerton, California. Their prescriptions cost Medicare Part D more than their services did: $3,390,668 for 7,847 claims, against $59,053 paid for services in 2024. Novo Nordisk Inc was the largest of 21 companies reporting payments in 2025, $1,876 in all, mostly food and beverage. Lists Adventist Health White Memorial and 1 other hospital as hospital affiliations.
Overview
| NPI | 1942626767 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Mar 17, 2014 |
| Last updated in NPPES | Jan 16, 2026 |
| Certified by provider | Jan 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 20A13210 | CA |
| Internal Medicine | 207R00000X | 20A13210 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 876 across 19 procedure codes |
| Paid by Medicare | $59,053 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,847 · 15,974 30-day fills |
|---|---|
| Patients | 625 |
| Total drug cost | $3,390,668 |
| Generic share | 40% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
- White Memorial Medical Group IncLos Angeles, CA · 12 clinicians
Hospital affiliations
- Adventist Health White MemorialLos Angeles, CA
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$1,876 · 114 payments from 21 companies
- 2024$1,544 · 74 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $243.70 | 11 |
| Amgen Inc. | $238.54 | 18 |
| Radius Health, Inc. | $182.84 | 21 |
| Ascendis Pharma Endocrinology Inc | $182.79 | 16 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $169.70 | 6 |
What the 2025 payments were for
- Food and Beverage$1,836 · 112 payments
- Education$40.07 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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