Ilisten Marie Jones, M.D., M.P.H.
NPI 1407148943ActiveIndividual· Allergy & Immunology· Walnut Creek, CA
Allergy & Immunology (M.D., M.P.H.) in Walnut Creek, California, trained at Harvard Medical School (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $75,853 for 251 claims, against $46,745 paid for services in 2024. Pfizer Inc. reported $61.08 in payments in 2025, mostly education.
Overview
| NPI | 1407148943 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.P.H. |
| Sole proprietor | No |
| NPI issued | May 3, 2011 |
| Last updated in NPPES | Jul 25, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | A125510 | CA |
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 - Allergy/Immunology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 1,915 across 25 procedure codes |
| Paid by Medicare | $46,745 |
Part D prescriptions in 2024
| Prescriptions (claims) | 251 · 373 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $75,853 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Allergy/Immunology |
Medical groups
- Csi Medical GroupFullerton, CA · 111 clinicians
- Allergy and Asthma Medical Group of the Bay Area IncBrentwood, CA · 20 clinicians
Industry payments (Open Payments)
- 2025$61.08 · 4 payments from 1 company
- 2024$15.27 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $61.08 | 4 |
What the 2025 payments were for
- Education$61.08 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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