Jonathan Pai
NPI 1285196105ActiveIndividual· Internal Medicine, Hematology & Oncology· Walnut Creek, CA
Internal Medicine, Hematology & Oncology with John Muir Physician Network, practicing in Walnut Creek, California. Part D covered 122 prescriptions written in 2024, 75% of them generic. Novartis Pharmaceuticals Corporation was the largest of 29 companies reporting payments in 2025, $1,583 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1285196105 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 1, 2019 |
| Last updated in NPPES | Sep 15, 2025 |
| Certified by provider | Sep 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A177349 | 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 - Hematology/Oncology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 122 · 138 30-day fills |
|---|---|
| Patients | 52 |
| Total drug cost | $311,112 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$1,583 · 64 payments from 29 companies
- 2024$1,708 · 69 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $339.75 | 18 |
| Merck Sharp & Dohme LLC | $146.01 | 6 |
| Pfizer Inc. | $90.35 | 3 |
| Daiichi Sankyo Inc. | $81.52 | 3 |
| Astrazeneca Pharmaceuticals LP | $71.10 | 3 |
What the 2025 payments were for
- Food and Beverage$1,583 · 64 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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