Delu Song, MD
Retina Specialist (Ophthalmology) Physician · San Diego, CA
Delu Song, MD is a retina specialist (ophthalmology) physician with a practice address in San Diego, California, and NPI 1437689536, issued on Jun 13, 2017. Check the license (California A173049, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Delu Song
- Credential
- MD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License number
- A173049 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7695 Cardinal CT Ste 100, San Diego, CA 92123
- Phone
- (858) 609-7100
- Enumerated
- Jun 13, 2017
- Record last updated
- Sep 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20210812004056); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 205 in California → Look up another NPI →
Also registered at 7695 Cardinal CT Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bradley Jacobsen, M.D.Retina Specialist (Ophthalmology) Physician1760845184
- Vincent Nguyen, M.D., M.B.ARetina Specialist (Ophthalmology) Physician1972846822
- Fane Robinson, MDRetina Specialist (Ophthalmology) Physician1295894368
- Mark Smith, MDRetina Specialist (Ophthalmology) Physician1255490330
Verify Delu Song in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A173049Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
322 Medicare Part D claims for 125 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Prednisolone Acetate124 claims
- Moxifloxacin69 claims
- Ketorolac Tromethamine30 claims
- Latanoprost27 claims
- Dorzolamide-Timolol18 claims
- Brimonidine Tartrate11 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: $592.12
11 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 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
- Barnet Dulaney Perkins Eye Center, PCYuma, AZ
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Delu Song among 205 retina specialist (ophthalmology) physician records in California
Delu Song, MD is one of 205 retina specialist (ophthalmology) physician records with a practice address in California. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 14% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 92% of these records are
- Graduated2017 · median 2007 among the 189 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in California
There are 205 retina specialist (ophthalmology) physician records in California.
All 205 in California → Every provider in San Diego → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Bradley Jacobsen, M.D.San Diego, CA 921231760845184
- Vincent Nguyen, M.D., M.B.ASan Diego, CA 921231972846822
- Fane Robinson, MDSan Diego, CA 921231295894368
- Mark Smith, MDSan Diego, CA 921231255490330
- Frank TsaiSan Diego, CA 921231043530777
- Jason Moss, M.D.San Diego, CA 921201386961423
- Barry Lipson, M.D.San Diego, CA 921271801903513
- Chirag Shah, M.D., MPHSan Diego, CA 921281023472560
Common questions
What is Delu Song, MD's NPI number?
Delu Song, MD's National Provider Identifier (NPI) is 1437689536, issued on Jun 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Delu Song, MD located?
The NPPES record lists a practice address at 7695 Cardinal CT Ste 100, San Diego, CA, 92123. Phone: (858) 609-7100. Providers update this record themselves, so call before visiting.
How can I verify Delu Song, MD's license?
NPPES lists California license number A173049, 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 Delu Song, MD prescribe under Medicare Part D?
In 2024, Delu Song, MD had 322 Medicare Part D claims for 125 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
What is Delu Song, MD'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.