Jack Freimann, M.D.
NPI 1306953021ActiveIndividual· Internal Medicine, Hematology & Oncology· Whittier, CA
Internal Medicine, Hematology & Oncology (M.D.) in Whittier, California, trained at University of California, Geffen School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $1,545,648 for 492 claims, against $153,969 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 37 companies reporting payments in 2025, $2,690 in all, mostly food and beverage.
Overview
| NPI | 1306953021 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 25, 2006 |
| Last updated in NPPES | Jul 24, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | G58179 | CA |
| Specialist | 174400000X | G58179 | 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 | 190 |
|---|---|
| Services billed | 8,677 across 54 procedure codes |
| Paid by Medicare | $153,969 |
Part D prescriptions in 2024
| Prescriptions (claims) | 492 · 677 30-day fills |
|---|---|
| Patients | 151 |
| Total drug cost | $1,545,648 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Hematology/Oncology |
Medical group
- Pih Health PhysiciansSanta Fe Springs, CA · 622 clinicians
Hospital affiliations
- Pih Health Downey HospitalDowney, CA
- Pih Health Hospital-WhittierWhittier, CA
Industry payments (Open Payments)
- 2025$2,690 · 109 payments from 37 companies
- 2024$3,302 · 131 payments from 43 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $313.05 | 12 |
| Pfizer Inc. | $248.27 | 14 |
| Novartis Pharmaceuticals Corporation | $208.22 | 7 |
| Abbvie Inc. | $125.86 | 5 |
| Gilead Sciences, Inc. | $122.45 | 5 |
What the 2025 payments were for
- Food and Beverage$2,657 · 108 payments
- Education$32.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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