Yubao Wang, M.D.
NPI 1306942644ActiveIndividual· Internal Medicine, Hematology & Oncology· Walnut Creek, CA
Internal Medicine, Hematology & Oncology (M.D.) with John Muir Physician Network and 1 other group, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $2,666,944 for 2,163 claims, against $1,117,938 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 33 companies reporting payments in 2025, $1,811 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1306942644 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 15, 2006 |
| Last updated in NPPES | Nov 25, 2025 |
| Certified by provider | Nov 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | C149361 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | MD2017-0211 | NM |
| Internal Medicine | 207R00000X | 2006004166 | MO |
| Internal Medicine, Hematology & Oncology | 207RH0003X | M5569 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 268689 | NY |
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 - Hematology/Oncology (CA); Practitioner - Hematology/Oncology (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 426 |
|---|---|
| Services billed | 47,743 across 97 procedure codes |
| Paid by Medicare | $1,117,938 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,163 · 3,416 30-day fills |
|---|---|
| Patients | 299 |
| Total drug cost | $2,666,944 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
- Southwest Medical Associates, LLCAlbuquerque, NM · 316 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Lovelace Medical CenterAlbuquerque, NM
- Sutter Solano Medical CenterVallejo, CA
Industry payments (Open Payments)
- 2025$1,811 · 65 payments from 33 companies
- 2024$630.80 · 28 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $177.65 | 7 |
| Adaptive Biotechnologies Corporation | $137.40 | 1 |
| Janssen Biotech, Inc. | $132.07 | 5 |
| Ipsen Biopharmaceuticals, Inc | $131.60 | 2 |
| Celgene Corporation | $104.08 | 4 |
What the 2025 payments were for
- Food and Beverage$1,711 · 64 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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