Jewel Johl, M.D.
NPI 1407852858ActiveIndividual· Internal Medicine, Hematology & Oncology· Walnut Creek, CA
Internal Medicine, Hematology & Oncology (M.D.) in Walnut Creek, California, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1998). In 2024 Medicare paid $2,142,604 for 615 patients, and Part D covered 788 of their prescriptions, 69% of them generic. Jazz Pharmaceuticals Inc. was the largest of 71 companies reporting payments in 2025, $50,521 in all, mostly consulting fees.
Overview
| NPI | 1407852858 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2005 |
| Last updated in NPPES | Feb 11, 2025 |
| Certified by provider | Feb 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A69437 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 615 |
|---|---|
| Services billed | 112,297 across 131 procedure codes |
| Paid by Medicare | $2,142,604 |
Part D prescriptions in 2024
| Prescriptions (claims) | 788 · 1,270 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $1,441,370 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliations
- Contra Costa Regional Medical CenterMartinez, CA
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- Comfort Assisting, IncHome health agency · Walnut Creek, CA
Industry payments (Open Payments)
- 2025$50,521 · 377 payments from 71 companies
- 2024$55,208 · 166 payments from 40 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Jazz Pharmaceuticals Inc. | $13,127 | 14 |
| E.R. Squibb & Sons, L.L.C. | $10,060 | 26 |
| Genentech USA, Inc. | $8,284 | 23 |
| Astrazeneca Pharmaceuticals LP | $6,016 | 37 |
| Geron Corporation | $2,610 | 9 |
What the 2025 payments were for
- Consulting Fee$25,121 · 17 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$14,326 · 4 payments
- Food and Beverage$9,060 · 347 payments
- Travel and Lodging$1,797 · 5 payments
- Education$118.05 · 3 payments
- Long term medical supply or device loan$99.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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