Fredrick B. Hagemeister, M.D.
NPI 1073613303ActiveIndividual· Internal Medicine, Medical Oncology· Houston, TX
Internal Medicine, Medical Oncology (M.D.) with Physicians Referral Service, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $279,249 for 54 claims, against $14,041 paid for services in 2024. Chugai Pharmaceutical Co., Ltd. was the largest of 5 companies reporting payments in 2025, $730.06 in all, mostly food and beverage.
Overview
| NPI | 1073613303 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 25, 2006 |
| Last updated in NPPES | Jun 15, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | E7105 | TX |
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 - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 187 across 8 procedure codes |
| Paid by Medicare | $14,041 |
Part D prescriptions in 2024
| Prescriptions (claims) | 54 · 70 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $279,249 |
| Generic share | 63% of claims |
Education and affiliations
| Graduation year | 1972 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$730.06 · 9 payments from 5 companies
- 2024$22,917 · 17 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Chugai Pharmaceutical Co., Ltd. | $243.80 | 2 |
| Genentech USA, Inc. | $199.90 | 3 |
| Genmab U.S., Inc. | $134.20 | 2 |
| Pfizer Inc. | $118.75 | 1 |
| Beigene USA, Inc. | $33.41 | 1 |
What the 2025 payments were for
- Food and Beverage$581.01 · 8 payments
- Travel and Lodging$149.05 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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