Hyun-Suk Chong, MD
NPI 1558354100ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Phoenix, AZ
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Arizona Endocrinology Center PLC, practicing in Phoenix, Arizona. Their prescriptions cost Medicare Part D more than their services did: $1,224,249 for 3,861 claims, against $137,780 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $830.62 in all, mostly food and beverage.
Overview
| NPI | 1558354100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2005 |
| Last updated in NPPES | Aug 30, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 32903 | AZ |
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 - Endocrinology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 505 |
|---|---|
| Services billed | 4,344 across 42 procedure codes |
| Paid by Medicare | $137,780 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,861 · 9,321 30-day fills |
|---|---|
| Patients | 519 |
| Total drug cost | $1,224,249 |
| Generic share | 51% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Arizona Endocrinology Center PLCPhoenix, AZ · 10 clinicians
Industry payments (Open Payments)
- 2025$830.62 · 41 payments from 15 companies
- 2024$816.80 · 45 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $93.41 | 5 |
| Novo Nordisk Inc | $86.81 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $82.50 | 5 |
| Corcept Therapeutics | $77.45 | 3 |
| Amgen Inc. | $76.55 | 5 |
What the 2025 payments were for
- Food and Beverage$830.62 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 endocrinologists in Phoenix · All endocrinologists in Arizona