Margaret Song, MD
NPI 1104074814ActiveIndividual· Internal Medicine· Riverside, CA
Internal Medicine (MD) in Riverside, California, trained at Loma Linda University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $669,951 for 7,747 claims, against $39,852 paid for services in 2024. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $44.46 in all, mostly food and beverage.
Overview
| NPI | 1104074814 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 5, 2008 |
| Last updated in NPPES | Apr 15, 2025 |
| Certified by provider | Apr 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A81926 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 593 across 35 procedure codes |
| Paid by Medicare | $39,852 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,747 · 19,128 30-day fills |
|---|---|
| Patients | 663 |
| Total drug cost | $669,951 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Riverside Medical Clinic IncRiverside, CA · 173 clinicians
Other facilities
- Destiny Home Health Agency, IncHome health agency · Moreno Valley, CA
Industry payments (Open Payments)
- 2025$44.46 · 2 payments from 2 companies
- 2024$99.03 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $29.55 | 1 |
| Abbott Laboratories | $14.91 | 1 |
What the 2025 payments were for
- Food and Beverage$44.46 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 246 internal medicine physicians in Riverside · All internal medicine physicians in California