Jiwu Sun, MD
NPI 1619104270ActiveIndividual· Hospitalist· Mountain View, CA
Hospitalist (MD) with Hazel Hawkins Memorial Hospital and 1 other group, practicing in Mountain View, California. Their prescriptions cost Medicare Part D more than their services did: $228,586 for 2,674 claims, against $104,275 paid for services in 2024. Lists Hazel Hawkins Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1619104270 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 22, 2009 |
| Last updated in NPPES | Jan 22, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A106681 | CA |
| Internal Medicine | 207R00000X | A106681 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 378 |
|---|---|
| Services billed | 956 across 13 procedure codes |
| Paid by Medicare | $104,275 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,674 · 5,174 30-day fills |
|---|---|
| Patients | 448 |
| Total drug cost | $228,586 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Hazel Hawkins Memorial HospitalHollister, CA · 52 clinicians
- Arya Medical Group CorpLos Banos, CA · 23 clinicians
Hospital affiliations
- Hazel Hawkins Memorial HospitalHollister, CA
- Memorial Hospital Los BanosLos Banos, CA
- Stanford Health CareStanford, CA
Other facilities
- Bridge Home HealthHome health agency · Salinas, CA
- Care MustHome health agency · San Jose, CA
- Sehaj Home Health, IncHome health agency · Fremont, CA
- Sutter Care at HomeHome health agency · Salida, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Hospitalist providers in Mountain View
- 1902279656
- 1639185143
- 1760442958
- 1699845149
- 1912467978
- 1447205547
- 1306944947
- 1295080729
- 1336582790
- 1104924760
- 1508922857
- 1134489594