Joseph Song, MD
NPI 1679537906 · Radiation Oncology Physician · South San Francisco, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Song, MD is a Radiation Oncology Physician provider in South San Francisco, CA (NPI 1679537906).
Provider details
- NPI number
- 1679537906
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A60264 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pentoxifylline | 110 | 55 |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 33 | 14 |
| Gabapentin | 32 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | 11 |
| Tamsulosin Hcl | 18 | — |
| Alclometasone Dipropionate | 16 | 12 |
| Bicalutamide | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$156 across 1 record (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
Registry dates
- Enumerated
- 2006-04-13
- Last updated
- 2021-12-06
Frequently asked questions
- What is Joseph Song's NPI number?
- Joseph Song's National Provider Identifier (NPI) is 1679537906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Song's specialty?
- Joseph Song is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Song located?
- Joseph Song's practice location on file with NPPES is 1200 El Camino Real, South San Francisco, CA 94080-3208.
- What is Joseph Song's phone number?
- The practice phone number listed in the NPPES registry for Joseph Song is (650) 827-6500.
- Does Joseph Song accept Medicare?
- Joseph Song is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Song's NPI active?
- Yes — Joseph Song's NPI (1679537906) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.