Doctor profile · Federal record
Dr. Margaret Song, MD
Internal Medicine Physician (CMS: Internal Medicine) · Riverside, CA
- NPI 1104074814
- Accepts Medicare
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6405 Day St
Riverside, CA 925070901
(951) 697-5420
fax (951) 697-5587
Credentials & registration
- NPI registered
- September 2008 — 18 yrs on file
- Profile last updated
- April 15, 2025
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A81926
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104074814. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
440
Distinct HCPCS
6
Medicare allowed
$41,579
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 191 | 106 | $94 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 100 | 63 | $132 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 54 | 54 | $133 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 52 | 52 | $19 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 27 | 25 | $59 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 16 | 16 | $40 |
In context: peer comparison
Among 41 peers in Riverside Internal Medicine Physician, average services per provider: 160. This provider delivers 2.8× the peer median.Open Payments
Industry payments received
All-time total
$99
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 3 | $75.41 | |
| Novo Nordisk INC | 1 | $23.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,262
Patients
1,169
Total drug cost
$53,024
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 506 | 167 | $8,653 |
| Hydrochlorothiazide | Generic | 455 | 152 | $3,959 |
| Lisinopril | Generic | 370 | 117 | $4,580 |
| Levothyroxine Sodium | Generic | 317 | 94 | $6,662 |
| Amlodipine Besylate | Generic | 315 | 111 | $3,430 |
| Losartan Potassium | Generic | 247 | 84 | $4,503 |
| Metformin Hcl | Generic | 230 | 78 | $3,415 |
| Furosemide | Generic | 119 | 52 | $1,242 |
| Omeprazole | Generic | 117 | 46 | $2,547 |
| Gabapentin | Generic | 106 | 47 | $2,259 |
Frequently asked questions
What is Dr. Margaret Song's medical specialty?
Dr. Margaret Song practices Internal Medicine Physician in Riverside, CA.
Where does Dr. Margaret Song practice?
Dr. Margaret Song practices at 6405 Day St, Riverside, CA 925070901. Office phone: 9516975420.
What is Dr. Margaret Song's NPI?
Dr. Margaret Song's National Provider Identifier (NPI) is 1104074814, issued by NPPES.
Does Dr. Margaret Song accept Medicare assignment?
Yes. Dr. Margaret Song accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Song commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.