Yohan Han Hwang
NPI 1609515642ActiveIndividual· Nurse Practitioner, Family· Chula Vista, CA
Nurse Practitioner, Family with Southern California Permanente Medical Group and 2 other groups, practicing in Chula Vista, California. In 2024 Medicare paid $304,424 for 337 patients, and Part D covered 1,242 of their prescriptions, 78% of them generic. Xeris Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $339.23 in all, mostly food and beverage.
Overview
| NPI | 1609515642 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | May 28, 2022 |
| Last updated in NPPES | Oct 27, 2023 |
| Certified by provider | May 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95021095 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 337 |
|---|---|
| Services billed | 6,057 across 26 procedure codes |
| Paid by Medicare | $304,424 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,242 · 1,439 30-day fills |
|---|---|
| Patients | 360 |
| Total drug cost | $158,340 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
- Olive Tree Nursing CorporationLemon Grove, CA · 5 clinicians
- Cristina Tobon-Chung Fnp A Professional Nursing CorporationLemon Grove, CA · 4 clinicians
Other facilities
- Active Health ServicesHome health agency · San Diego, CA
- Belle Vie Home Health IncHome health agency · El Cajon, CA
- Good Samaritan Home Health IncHome health agency · National City, CA
- Healthwise Home Health Care IncHome health agency · National City, CA
- Vital Care Health SystemsHome health agency · San Diego, CA
Industry payments (Open Payments)
- 2025$339.23 · 5 payments from 3 companies
- 2024$21.63 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Xeris Pharmaceuticals, Inc. | $169.83 | 1 |
| E.R. Squibb & Sons, L.L.C. | $146.19 | 3 |
| Viatris Specialty LLC | $23.21 | 1 |
What the 2025 payments were for
- Food and Beverage$339.23 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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