Halline Uzell Overby, M.D.
NPI 1912062001ActiveIndividual· Internal Medicine, Hematology & Oncology· Lynwood, CA
Internal Medicine, Hematology & Oncology (M.D.) in Lynwood, California, trained at Howard University College of Medicine (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $1,340,148 for 514 claims, against $68,613 paid for services in 2024. Pfizer Inc. was the largest of 10 companies reporting payments in 2025, $589.46 in all, mostly food and beverage.
Overview
| NPI | 1912062001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 27, 2006 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | G32767 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 187 |
|---|---|
| Services billed | 7,455 across 158 procedure codes |
| Paid by Medicare | $68,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 514 · 700 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $1,340,148 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Lac/Harbor-Ucla Med CenterTorrance, CA
- Los Angeles General Medical CenterLos Angeles, CA
Other facilities
- Hope International Hospice, Inc.Hospice · Torrance, CA
Industry payments (Open Payments)
- 2025$589.46 · 26 payments from 10 companies
- 2024$538.10 · 23 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $141.75 | 8 |
| Abbvie Inc. | $94.23 | 4 |
| Stemline Therapeutics Inc. | $89.54 | 4 |
| Daiichi Sankyo Inc. | $57.00 | 2 |
| Gilead Sciences, Inc. | $48.55 | 2 |
What the 2025 payments were for
- Food and Beverage$589.46 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Lynwood
- 1720242704
- 1174611750
All Internal Medicine, Hematology & Oncology providers in California →