Quick answers
- Does Martin Rajsbaum accept Medicare assignment?
- Yes. Medicare's clinician data says Martin Rajsbaum 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 Martin Rajsbaum see?
- In 2024, CMS data shows 539 Original Medicare patients and 1,613 services for Martin Rajsbaum. This counts Original Medicare only and measures volume, not quality.
- What is Martin Rajsbaum's NPI number?
- 1912999400. 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 Martin Rajsbaum, 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 | 539 |
|---|---|
| Services billed to Medicare | 1,613 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient complete exam of visual system (92014)589 services
- Photography of the retina (92250)585 services
- Established patient problem focused exam of visual system (92012)143 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)57 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)52 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 cholesterol74%
- Diabetes52%
- Arthritis42%
- Chronic kidney disease29%
- Ischemic heart disease22%
Practice locations
Addresses where Martin Rajsbaum is enrolled with Medicare (CMS data updated October 2, 2026).
- 835 3rd Ave, Suite AChula Vista, CA 91911
Group practices
Medicare enrollment lists Martin Rajsbaum as a member of this group (CMS data updated October 2, 2026).
- California Retina Associates, LP22 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Chula Vista
Clinicians with the same Medicare primary specialty in Chula Vista, CA — not a recommendation.
Other clinicians in California Retina Associates, LP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1960 (66 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912999400 |
| 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