Chaewon Song, MD
NPI 1972589687ActiveIndividual· Internal Medicine, Geriatric Medicine· Garden Grove, CA
Internal Medicine, Geriatric Medicine (MD) with Smg Medical Practice Group PC and 1 other group, practicing in Garden Grove, California. Their prescriptions cost Medicare Part D more than their services did: $4,522,398 for 38,165 claims, against $480,590 paid for services in 2024. Aimmune Therapeutics, Inc. was the largest of 20 companies reporting payments in 2025, $2,099 in all, mostly food and beverage. Lists Garden Grove Hospital & Medical Center as a hospital affiliation.
Overview
| NPI | 1972589687 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 15, 2005 |
| Last updated in NPPES | Nov 7, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | C52295 | 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 | 787 |
|---|---|
| Services billed | 7,531 across 50 procedure codes |
| Paid by Medicare | $480,590 |
Part D prescriptions in 2024
| Prescriptions (claims) | 38,165 · 58,639 30-day fills |
|---|---|
| Patients | 1,397 |
| Total drug cost | $4,522,398 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
Medical groups
- Smg Medical Practice Group PCGarden Grove, CA · 6 clinicians
- Chaewon Song MD IncGarden Grove, CA · 2 clinicians
Hospital affiliation
- Garden Grove Hospital & Medical CenterGarden Grove, CA
Other facilities
- Cross Care, IncHome health agency · Los Angeles, CA
- Fast Recovery Home Health Care, IncHome health agency · Buena Park, CA
- Livingstone Home Health Services, IncHome health agency · Buena Park, CA
- Platinum Home Health Care Specialists, IncHome health agency · Burbank, CA
- Western Home Care, IncHome health agency · Buena Park, CA
- Eminent Hospice Care, IncHospice · N Hollywood, CA
- Greenfield Care Center of Fullerton, LLCNursing home · Fullerton, CA
- Sun Mar Nursing CenterNursing home · Anaheim, CA
- The Grove Post AcuteNursing home · Garden Grove, CA
Industry payments (Open Payments)
- 2025$2,099 · 99 payments from 20 companies
- 2024$2,334 · 115 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $599.45 | 25 |
| Abbvie Inc. | $506.33 | 35 |
| Lilly USA, LLC | $151.29 | 2 |
| Lundbeck LLC | $117.62 | 5 |
| Amgen Inc. | $116.37 | 5 |
What the 2025 payments were for
- Food and Beverage$2,099 · 99 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Geriatric Medicine providers in Garden Grove
- 1265502017
- 1548688732
- 1215919915
- 1790858900
All Internal Medicine, Geriatric Medicine providers in California →