Sanford Chen, M.D.
NPI 1427051994 · Ophthalmology Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sanford Chen, M.D. is a Ophthalmology Physician provider in Santa Ana, CA (NPI 1427051994).
Provider details
- NPI number
- 1427051994
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- G077086 (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
21 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
9,359 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) |
|---|---|---|
| Imaging of Retina92134 | 2,382 | $44 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 2,380 | $27 |
| Established Patient Complete Exam of Visual System92014 | 1,733 | $139 |
| Injection of Drug Into Eye67028 | 1,609 | $122 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 475 | $194 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 346 | $54 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 85 | 45 |
| Latanoprost | 26 | — |
| Bromfenac Sodiumbrand: Prolensa | 26 | — |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 19 | 15 |
| Atropine Sulfate | 16 | 14 |
| Moxifloxacin Hclbrand: Moxifloxacin | 16 | 11 |
| Ciprofloxacin Hcl | 14 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43,449 across 136 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
- 2005-05-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sanford Chen's NPI number?
- Sanford Chen's National Provider Identifier (NPI) is 1427051994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sanford Chen's specialty?
- Sanford Chen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Sanford Chen located?
- Sanford Chen's practice location on file with NPPES is 1200 N Tustin Ave, Santa Ana, CA 92705-3501.
- What is Sanford Chen's phone number?
- The practice phone number listed in the NPPES registry for Sanford Chen is (714) 972-8235.
- Does Sanford Chen accept Medicare?
- Sanford Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sanford Chen's NPI active?
- Yes — Sanford Chen's NPI (1427051994) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.