SAN DIEGO ONCOLOGY MEDICAL CLINIC
NPI 1871844522
Internal Medicine - Hematology & Oncology in San Diego, CA
About San Diego Oncology Medical Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAN DIEGO ONCOLOGY MEDICAL CLINIC (NPI 1871844522) is a healthcare organization registered as a hematology & oncology in San Diego, California and active in the NPI registry since September 2012. The organization holds an CLIA Accreditation certificate valid through February 17, 2028 and lists Seung-yil Thomas Song, Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
San Diego Oncology Medical Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to San Diego Oncology Medical Clinic, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Accreditation 05D0571469
San Diego Oncology Medical Clinic · San Diego, CAFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is San Diego Oncology Medical Clinic's NPI number?
The NPI number for San Diego Oncology Medical Clinic is 1871844522. It was assigned to this organization in the NPPES registry on September 20, 2012.
Where is San Diego Oncology Medical Clinic located?
San Diego Oncology Medical Clinic is located at 7930 Frost St Ste 405, San Diego, CA 92123. The listed phone number is (858) 571-2811.
What is San Diego Oncology Medical Clinic's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is San Diego Oncology Medical Clinic enrolled in Medicare?
Yes. San Diego Oncology Medical Clinic is registered in the Medicare PECOS enrollment system.
When is San Diego Oncology Medical Clinic's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through San Diego Oncology Medical Clinic?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Medical Oncology, reassign their Medicare billing to San Diego Oncology Medical Clinic. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does San Diego Oncology Medical Clinic hold a CLIA laboratory certificate?
Yes. A Certificate of Accreditation (number 05D0571469) is associated with this NPI, valid through February 17, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for San Diego Oncology Medical Clinic was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# San Diego Oncology Medical Clinic · NPI 1871844522
Hematology & Oncology organization in San Diego, California. Organization record, active in the CMS NPPES registry since September 20, 2012.
## Identity
- **NPI:** 1871844522 (Entity type: Organization)
- **Enumerated:** September 20, 2012
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Organization subpart:** No
- **Authorized official:** Seung-Yil Song, MD
## Practice location
- **Address:** 7930 FROST ST, STE 405, San Diego, CA 92123-2737
- **Phone:** (858) 571-2811 · **Fax:** (858) 571-2814
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians (Medical Oncology) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 5, 2025
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1871844522) · Data from the CMS NPPES public registry.