Jun Park, M.D.
NPI 1043744279ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Sacramento, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Sacramento, California, trained at University of Toledo College of Medicine (class of 2017). Part D covered 1,065 prescriptions written in 2024, 64% of them generic. Corcept Therapeutics was the largest of 2 companies reporting payments in 2025, $198.61 in all, mostly food and beverage.
Overview
| NPI | 1043744279 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 13, 2017 |
| Last updated in NPPES | Dec 7, 2022 |
| Certified by provider | Dec 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A169512 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,065 · 2,770 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $169,288 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | University of Toledo College of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Industry payments (Open Payments)
- 2025$198.61 · 3 payments from 2 companies
- 2024$55.31 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $181.53 | 2 |
| Novo Nordisk Inc | $17.08 | 1 |
What the 2025 payments were for
- Food and Beverage$198.61 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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