James Song, M.D.
NPI 1245341700 · Ophthalmology Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Song, M.D. is a Ophthalmology Physician provider in Fremont, CA (NPI 1245341700).
Provider details
- NPI number
- 1245341700
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- AO68524 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,264 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 1,598 | $157 |
| Exam of Visual Field With Extended Testing92083 | 832 | $82 |
| Exam of the Internal Drainage System of Eye92020 | 826 | $34 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 565 | $29 |
| Imaging of Retina92134 | 356 | $51 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 280 | $59 |
| Ultrasound Scan to Determine Eye Length |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 448 | 116 |
| Timolol Maleate | 284 | 85 |
| Prednisolone Acetate | 234 | 153 |
| Erythromycin Basebrand: Erythromycin | 221 | 144 |
| Besifloxacin Hclbrand: Besivance | 218 | 95 |
| Brimonidine Tartrate | 211 | 72 |
| Moxifloxacin Hclbrand: Moxifloxacin | 141 | 68 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 across 2 records (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
- 2006-08-31
- Last updated
- 2014-05-16
Frequently asked questions
- What is James Song's NPI number?
- James Song's National Provider Identifier (NPI) is 1245341700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Song's specialty?
- James Song is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James Song located?
- James Song's practice location on file with NPPES is 2299 Mowry Ave, Fremont, CA 94538.
- What is James Song's phone number?
- The practice phone number listed in the NPPES registry for James Song is (510) 713-9898.
- Does James Song accept Medicare?
- James Song is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Song's NPI active?
- Yes — James Song's NPI (1245341700) is active in the NPPES registry as of the last update on 2014-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.