Alexander Song, MD
NPI 1265964795 · Hematology & Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Song, MD is a Hematology & Oncology Physician provider in Los Angeles, CA (NPI 1265964795).
Provider details
- NPI number
- 1265964795
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A184827 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,184 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 309 | $138 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 156 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 116 | $10 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 101 | $120 |
| Assessment of Emotional Or Behavioral Problems96127 | 91 | $5 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 85 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 106 | 39 |
| Enzalutamidebrand: Xtandi | 38 | — |
| Letrozole | 34 | 15 |
| Hydroxyurea | 32 | — |
| Prednisone | 31 | 11 |
| Exemestane | 26 | — |
| Ondansetron Hcl | 24 | 19 |
| Dexamethasone | 24 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,997 across 215 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1300 N Vermont AveLos Angeles, CA 90027-6098Phone: (213) 570-8404Fax: (833) 542-1571
Registry dates
- Enumerated
- 2017-04-03
- Last updated
- 2025-05-22
- Certified
- 2025-05-22
Frequently asked questions
- What is Alexander Song's NPI number?
- Alexander Song's National Provider Identifier (NPI) is 1265964795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Song's specialty?
- Alexander Song is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Song located?
- Alexander Song's practice location on file with NPPES is 1245 Wilshire Blvd Ste 303, Los Angeles, CA 90017-4803.
- What is Alexander Song's phone number?
- The practice phone number listed in the NPPES registry for Alexander Song is (213) 977-1214.
- Does Alexander Song accept Medicare?
- Alexander Song is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Song's NPI active?
- Yes — Alexander Song's NPI (1265964795) is active in the NPPES registry as of the last update on 2025-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.