ALEXANDER HANJOON SONG (MD) – Hematology & Oncology Physician, NPI 1265964795
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
Provider Addresses for ALEXANDER HANJOON SONG (MD)
1300 N Vermont Ave
Los Angeles, CA 900276098
Phone: (213) 570-8404
Fax: (833) 542-1571
Type: Location
Medical Center Boulevard, Ardmore, Winston-Salem, Forsyth County, North Carolina, 27157, United States
WATLINGTON HALL, 3RD FLOOR
WINSTON SALEM, NC 271570001
Phone:
Type: Mailing
541 W COLORADO ST STE 205
GLENDALE, CA 912043640
Phone: (323) 794-1403
Fax: (323) 488-9782
Type: Mailing
1245 WILSHIRE BLVD STE 303
LOS ANGELES, CA 900174803
Phone: (213) 977-1214
Fax: (213) 482-8868
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 290 Open Payments records for all available years, with a total value of $6,888.
Total Amount is formed as General ($6,888) + Research ($0) + Ownership ($0) = $6,888.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($471).
Total Amount
$6,888
General + Research + Ownership
Payments
290
Total payment records
General Amount
$6,888
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $471 |
| Incyte Corporation | $407 |
| AstraZeneca Pharmaceuticals LP | $395 |
| Novartis Pharmaceuticals Corporation | $295 |
| Celgene Corporation | $273 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-07-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20230720001522 | I | Hematology/Oncology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 132 | 59 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 69 | 24 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 49 | 24 | $0 |
| 96127 | Assessment of emotional or behavioral problems | 46 | 42 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 38 | 15 | $0 |
Insurance plans in this area (ZIP 90027)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Gynecological Oncology | CA | |
| Medical Oncology | CA | |
| Hematology/Oncology, Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Hematology/Oncology, Internal Medicine | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Gynecological Oncology | PA | |
| Gynecological Oncology, Obstetrics/Gynecology | CA | |
| Internal Medicine | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA |
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