Daniel G. Arkfeld, M.D.
NPI 1780610105ActiveIndividual· Internal Medicine, Rheumatology· Los Angeles, CA
Internal Medicine, Rheumatology (M.D.) with Usc Care Medical Group Inc, practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $1,435,433 for 2,261 claims, against $45,947 paid for services in 2024. Amgen Inc. was the largest of 13 companies reporting payments in 2025, $57,149 in all, mostly speaking and faculty fees. Lists Keck Hospital of Usc and 1 other hospital as hospital affiliations.
Overview
| NPI | 1780610105 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2006 |
| Last updated in NPPES | Nov 5, 2020 |
| Certified by provider | Nov 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | G61240 | 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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 252 |
|---|---|
| Services billed | 742 across 21 procedure codes |
| Paid by Medicare | $45,947 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,261 · 3,858 30-day fills |
|---|---|
| Patients | 211 |
| Total drug cost | $1,435,433 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Usc Care Medical Group IncLos Angeles, CA · 1,380 clinicians
Hospital affiliations
- Keck Hospital of UscLos Angeles, CA
- Usc Verdugo Hills HospitalGlendale, CA
Industry payments (Open Payments)
- 2025$57,149 · 124 payments from 13 companies
- 2024$57,928 · 146 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $19,148 | 31 |
| Genzyme Corporation | $12,804 | 6 |
| Glaxosmithkline, LLC. | $10,571 | 28 |
| Abbvie Inc. | $7,311 | 23 |
| Janssen Biotech, Inc. | $3,500 | 15 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$38,502 · 16 payments
- Consulting Fee$11,343 · 4 payments
- Travel and Lodging$3,909 · 16 payments
- Food and Beverage$3,318 · 87 payments
- Education$76.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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