Joyce W. Chung, M.D.
NPI 1477561504ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· San Diego, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Sharp Rees-Stealy Medical Group Inc, practicing in San Diego, California. Their prescriptions cost Medicare Part D more than their services did: $325,487 for 1,076 claims, against $18,088 paid for services in 2024. Insulet Corporation reported $88.09 in payments in 2025, mostly food and beverage. Lists Sharp Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1477561504 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Jun 18, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A50122 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 105 |
|---|---|
| Services billed | 529 across 10 procedure codes |
| Paid by Medicare | $18,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,076 · 2,591 30-day fills |
|---|---|
| Patients | 228 |
| Total drug cost | $325,487 |
| Generic share | 52% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Sharp Rees-Stealy Medical Group IncSan Diego, CA · 884 clinicians
Hospital affiliation
- Sharp Memorial HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$88.09 · 1 payment from 1 company
- 2024$176.45 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insulet Corporation | $88.09 | 1 |
What the 2025 payments were for
- Food and Beverage$88.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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