Quick answers
- Does Marin Nishimura-Kaminski accept Medicare assignment?
- Yes. Medicare's clinician data says Marin Nishimura-Kaminski 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 Marin Nishimura-Kaminski see?
- In 2024, CMS data shows 339 Original Medicare patients and 918 services for Marin Nishimura-Kaminski. This counts Original Medicare only and measures volume, not quality.
- What is Marin Nishimura-Kaminski's NPI number?
- 1003243262. 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 Marin Nishimura-Kaminski, 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 | 339 |
|---|---|
| Services billed to Medicare | 918 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)156 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)118 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)85 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)66 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)61 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%
- Arthritis50%
- Ischemic heart disease43%
- Heart failure42%
- Diabetes41%
Hospitals where Marin Nishimura-Kaminski works
Medicare's Facility Affiliation Data lists Marin Nishimura-Kaminski at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Grossmont HospitalLa Mesa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050026
- UC San Diego Health Hillcrest - Hillcrest Medical CenterSan Diego, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050025
Practice locations
Addresses where Marin Nishimura-Kaminski is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 16950 Via TazonSan Diego, CA 92127 (800) 926‑8273
- 200 W Arbor DrSan Diego, CA 92103 (858) 657‑7000
- 200 W Arbor Dr, Mc 8201San Diego, CA 92103
- 477 N El Camino RealEncinitas, CA 92024 (800) 926‑8273
- 6655 Alvarado RdSan Diego, CA 92120 (858) 657‑7000
Group practices
Medicare enrollment lists Marin Nishimura-Kaminski as a member of this group (CMS data updated October 2, 2026).
- Regents of the University of California2,089 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Other clinicians in Regents of the University of California
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Davis School Of Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1003243262 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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