Quick answers
- Does M Regina De Luna accept Medicare assignment?
- Yes. Medicare's clinician data says M Regina De Luna accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does M Regina De Luna see?
- In 2024, CMS data shows 512 Original Medicare patients and 735 services for M Regina De Luna. This counts Original Medicare only and measures volume, not quality.
- What is M Regina De Luna's NPI number?
- 1144610064. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for M Regina De Luna, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 512 |
|---|---|
| Services billed to Medicare | 735 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)169 services
- New patient complete exam of visual system (92004)140 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)112 services
- Established patient problem focused exam of visual system (92012)55 services
- Established patient complete exam of visual system (92014)54 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes53%
- Arthritis26%
- Chronic kidney disease25%
- Ischemic heart disease18%
Practice locations
Addresses where M Regina De Luna is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 Jose Figueres Ave, Suite 350San Jose, CA 95116 (408) 923‑8138
Group practices
Medicare enrollment lists M Regina De Luna as a member of this group (CMS data updated October 2, 2026).
- Advanced Eye Associates3 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Other clinicians in Advanced Eye Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144610064 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians