Jack F. Jacoub, M.D.
NPI 1528016318ActiveIndividual· Internal Medicine, Hematology & Oncology· Fountain Valley, CA
Internal Medicine, Hematology & Oncology (M.D.) with Memorialcare Medical Foundation, practicing in Fountain Valley, California. Their prescriptions cost Medicare Part D more than their services did: $1,340,528 for 320 claims, against $252,683 paid for services in 2024. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $287.47 in all, mostly food and beverage. Lists Memorialcare Orange Coast Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1528016318 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 4, 2006 |
| Last updated in NPPES | May 26, 2021 |
| Certified by provider | May 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A79623 | CA |
| Internal Medicine | 207R00000X | A79623 | 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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 228 |
|---|---|
| Services billed | 20,023 across 52 procedure codes |
| Paid by Medicare | $252,683 |
Part D prescriptions in 2024
| Prescriptions (claims) | 320 · 380 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $1,340,528 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Memorialcare Medical FoundationLong Beach, CA · 566 clinicians
Hospital affiliations
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
Industry payments (Open Payments)
- 2025$287.47 · 4 payments from 3 companies
- 2024$104.77 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $168.33 | 2 |
| Exact Sciences Corporation | $86.42 | 1 |
| Amgen Inc. | $32.72 | 1 |
What the 2025 payments were for
- Food and Beverage$254.75 · 3 payments
- Education$32.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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