Seung-Yil Song, M.D.
Medical Oncology Physician · San Diego, CA
Seung-Yil Song, M.D. is a medical oncology physician with a practice address in San Diego, California, and NPI 1578677860, issued on Aug 17, 2006. Check the license (California A25278, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Seung-Yil Song
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A25278 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7930 Frost St Ste 405, San Diego, CA 92123
- Phone
- (858) 571-2811
- Enumerated
- Aug 17, 2006
- Record last updated
- Aug 5, 2025
- Fax
- (858) 571-2814
- Medicaid ID
- 00A252780 CA
- Medicare enrollment
- Enrolled (PECOS I20040802001065); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 7930 Frost St Ste 405
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Uladzislau Naidzionak, M.D.Internal Medicine Physician1023246212
Verify Seung-Yil Song in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A25278Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average medical oncology physician in 2024
2,758 Medicare Part D claims for 201 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 40 claims were for opioids.
Most prescribed
- Losartan Potassium135 claims
- Amlodipine Besylate94 claims
- Allopurinol79 claims
- Atorvastatin Calcium79 claims
- Levothyroxine Sodium79 claims
- Isosorbide Mononitrate Er77 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,978.95
129 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Emergency And Acute Care Medical CorporationSan Diego, CA
- San Diego Oncology Medical ClinicSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seung-Yil Song among 447 medical oncology physician records in California
Seung-Yil Song, M.D. is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1966 · median 2004 among the 312 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
All 447 in California → Every provider in San Diego → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Himabindu Gaddipati, M.D.San Diego, CA 921231336339555
- Dawood Findakly, MDSan Diego, CA 921271639676620
- Pratik Multani, MDSan Diego, CA 921301053654467
- April Teitelbaum, MDSan Diego, CA 921301700065463
- Manorama Reddy, M.D.San Diego, CA 921151356341168
- Kaitlyn Dykes, MDSan Diego, CA 921031861952632
- Bassel El-Rayes, MDSan Diego, CA 921031437196433
- Wenji Guo, MDSan Diego, CA 921031538604392
Common questions
What is Seung-Yil Song, M.D.'s NPI number?
Seung-Yil Song, M.D.'s National Provider Identifier (NPI) is 1578677860, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Seung-Yil Song, M.D. located?
The NPPES record lists a practice address at 7930 Frost St Ste 405, San Diego, CA, 92123. Phone: (858) 571-2811. Providers update this record themselves, so call before visiting.
How can I verify Seung-Yil Song, M.D.'s license?
NPPES lists California license number A25278, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Seung-Yil Song, M.D. prescribe under Medicare Part D?
In 2024, Seung-Yil Song, M.D. had 2,758 Medicare Part D claims for 201 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Seung-Yil Song, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.