Calvin T. Sung, MD
NPI 1518426766ActiveIndividual· Dermatology· Monterey Park, CA
Dermatology (MD) in Monterey Park, California, trained at Un of California, Riverside, School of Medicine (class of 2019). 732 Medicare patients in 2024, $925,132 paid; nearly all of their 8,379 Part D prescriptions were generic (98%). Genzyme Corporation was the largest of 18 companies reporting payments in 2025, $1,980 in all, mostly food and beverage.
Overview
| NPI | 1518426766 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 18, 2019 |
| Last updated in NPPES | Jul 12, 2023 |
| Certified by provider | Jul 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A176236 | 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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 732 |
|---|---|
| Services billed | 9,742 across 101 procedure codes |
| Paid by Medicare | $925,132 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,379 · 10,954 30-day fills |
|---|---|
| Patients | 1,661 |
| Total drug cost | $1,154,499 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Un of California, Riverside, School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Dermatology |
| Secondary specialties | Micrographic Dermatologic Surgery (Mds) |
| Telehealth | Offers telehealth |
Medical group
- Sung MD A Professional CorporationAnaheim, CA · 8 clinicians
Industry payments (Open Payments)
- 2025$1,980 · 89 payments from 18 companies
- 2024$1,863 · 67 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $300.43 | 10 |
| Novartis Pharmaceuticals Corporation | $245.13 | 12 |
| Amgen Inc. | $235.76 | 14 |
| Regeneron Healthcare Solutions, Inc. | $213.50 | 6 |
| Incyte Corporation | $180.02 | 9 |
What the 2025 payments were for
- Food and Beverage$1,908 · 88 payments
- Education$72.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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