Doctor profile · Federal record
Dr. Mark Song, MD, PHD
Nephrology Physician (CMS: Internal Medicine) · Los Angeles, CA
- NPI 1326068560
- MIPS 100.0 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3663 W 6Th St Ste 307
Los Angeles, CA 900203050
(213) 736-1884
fax (714) 626-0800 - Mailing address
-
1401 S Brookhurst RD Ste 100
Fullerton, CA 928334492
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 1, 2011
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A49785
- Medicaid
- CA #00A497850
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326068560. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
9,235
Distinct HCPCS
10
Medicare allowed
$934,606
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 3,182 | 656 | $100 | |
36415 |
Insertion of needle into vein for collection of blood sample | 574 | 348 | $8 | |
76770 |
Complete ultrasound scan behind abdominal cavity | 453 | 447 | $127 | |
76700 |
Complete ultrasound scan of abdomen | 440 | 433 | $137 | |
93880 |
Ultrasound of both sides of head and neck blood flow | 427 | 422 | $225 | |
99497 |
Advance care planning, first 30 minutes | 412 | 411 | $90 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 411 | 411 | $21 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 367 | 367 | $21 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 366 | 366 | $144 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 360 | 347 | $141 |
In context: peer comparison
Among 51 peers in Los Angeles Nephrology Physician, average services per provider: 251. This provider delivers 37× the peer median.Open Payments
Industry payments received
All-time total
$2,963
Transactions
124
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 32 | $529.71 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 17 | $443.42 | |
| AstraZeneca Pharmaceuticals Lp | 17 | $404.99 | |
| Novartis Pharmaceuticals Corporation | 10 | $262.04 | |
| Vifor Pharma, INC. | 9 | $223.06 | |
| Novo Nordisk INC | 7 | $153.85 | |
| Otsuka America Pharmaceutical, INC. | 7 | $143.49 | |
| Lilly USA, LLC | 4 | $98.71 | |
| Ardelyx, INC. | 4 | $85.53 | |
| Calliditas Therapeutics US INC. | 3 | $67.90 | |
| Bayer Healthcare Pharmaceuticals INC. | 4 | $63.52 | |
| Radius Health, INC. | 2 | $62.20 | |
| Abbvie INC. | 3 | $60.21 | |
| Gilead Sciences, INC. | 3 | $54.23 | |
| Akebia Therapeutics INC | 2 | $52.38 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
16,717
Patients
3,993
Total drug cost
$3,603,110
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 2,929 | 733 | $46,768 |
| Amlodipine Besylate | Generic | 1,921 | 461 | $24,965 |
| Vascepa (Icosapent Ethyl) | Brand | 1,337 | 229 | $779,465 |
| Metformin Hcl | Generic | 1,336 | 295 | $17,961 |
| Losartan Potassium | Generic | 1,145 | 288 | $18,584 |
| Celecoxib | Generic | 1,005 | 319 | $74,803 |
| Creon (Lipase/Protease/Amylase) | Brand | 988 | 200 | $1,679,620 |
| Omeprazole | Generic | 982 | 323 | $15,289 |
| Tamsulosin Hcl | Generic | 957 | 216 | $21,860 |
| Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) | Brand | 899 | 224 | $21,884 |
Frequently asked questions
What is Dr. Mark Song's medical specialty?
Dr. Mark Song practices Nephrology Physician in Los Angeles, CA.
Where does Dr. Mark Song practice?
Dr. Mark Song practices at 3663 W 6Th St Ste 307, Los Angeles, CA 900203050. Office phone: 2137361884.
What is Dr. Mark Song's NPI?
Dr. Mark Song's National Provider Identifier (NPI) is 1326068560, issued by NPPES.
Does Dr. Mark Song accept Medicare assignment?
Dr. Mark Song does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mark Song commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete ultrasound scan behind abdominal cavity (HCPCS 76770). Source: CMS Medicare Physician & Other Practitioners file.