Quick answers
- Does Margaret M. Nambiar accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret M. Nambiar 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 Margaret M. Nambiar see?
- In 2024, CMS data shows 140 Original Medicare patients and 405 services for Margaret M. Nambiar. This counts Original Medicare only and measures volume, not quality.
- What is Margaret M. Nambiar's NPI number?
- 1043292030. 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 Margaret M. Nambiar, 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 | 140 |
|---|---|
| Services billed to Medicare | 405 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)139 services
- Photography of the retina (92250)76 services
- Imaging of optic nerve (92133)46 services
- Exam of visual field with extended testing (92083)29 services
- Established patient complete exam of visual system (92014)22 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%
- Diabetes55%
- Arthritis34%
- Chronic kidney disease27%
- Ischemic heart disease24%
Practice locations
Addresses where Margaret M. Nambiar is enrolled with Medicare (CMS data updated October 2, 2026).
- 2390 E Florida Ave, Suite 207Hemet, CA 92544 (951) 652‑6100
Group practices
Medicare enrollment lists Margaret M. Nambiar as a member of this group (CMS data updated October 2, 2026).
- California Cataract Center and Medical Group Inc14 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Hemet
Clinicians with the same Medicare primary specialty in Hemet, CA — not a recommendation.
Other clinicians in California Cataract Center and Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043292030 |
| 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