James J. Song, M.D.
Ophthalmology Physician · Fremont, CA
James J. Song, M.D. is an ophthalmology physician with a practice address in Fremont, California, and NPI 1245341700, issued on Aug 31, 2006. Check the license (California AO68524, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James J. Song
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- AO68524 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2299 Mowry Ave, Fremont, CA 94538
- Phone
- (510) 713-9898
- Enumerated
- Aug 31, 2006
- Record last updated
- May 16, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (510) 280-7279
- Medicaid ID
- 00A685240 CA
- Medicare enrollment
- Enrolled (PECOS I20111221000824); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1995
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 2299 Mowry Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James J. Song in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license AO68524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average ophthalmology physician in 2024
2,780 Medicare Part D claims for 573 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Latanoprost448 claims
- Timolol Maleate284 claims
- Prednisolone Acetate234 claims
- Erythromycin221 claims
- Besivance218 claims
- Brimonidine Tartrate211 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $48.74
2 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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.
James J. Song among 2,899 ophthalmology physician records in California
James J. Song, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1995 · median 2001 among the 1,907 with a school on file
- Record last updated2014 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Fremont → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Amy Badger-Asaravala, M.D.Fremont, CA 945381831389089
- Audrey Chow, MDFremont, CA 945381386106441
- James Cohn, MDFremont, CA 945381043304173
- Taliva Martin, M.D.Fremont, CA 945381386822112
- Judy Ou, MDFremont, CA 945381568483964
- Sara PrasertsitFremont, CA 945381730321423
- James Resneck, MDFremont, CA 945381740352590
- Timothy Scott, MDFremont, CA 945381902997265
Common questions
What is James J. Song, M.D.'s NPI number?
James J. Song, M.D.'s National Provider Identifier (NPI) is 1245341700, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James J. Song, M.D. located?
The NPPES record lists a practice address at 2299 Mowry Ave, Fremont, CA, 94538. Phone: (510) 713-9898. Providers update this record themselves, so call before visiting.
How can I verify James J. Song, M.D.'s license?
NPPES lists California license number AO68524, 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 James J. Song, M.D. prescribe under Medicare Part D?
In 2024, James J. Song, M.D. had 2,780 Medicare Part D claims for 573 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is James J. Song, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.