Quick answers
- Does Raul F. Trejo accept Medicare assignment?
- Yes. Medicare's clinician data says Raul F. Trejo 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 Raul F. Trejo see?
- In 2024, CMS data shows 51 Original Medicare patients and 204 services for Raul F. Trejo. This counts Original Medicare only and measures volume, not quality.
- What is Raul F. Trejo's NPI number?
- 1174534184. 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 Raul F. Trejo, 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 | 51 |
|---|---|
| Services billed to Medicare | 204 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)66 services
- Admn sarscov2 vacc 1 dose (90480)22 services
- Sarscov2 vac 50 mcg/0.5ml im (91322)22 services
- Administration of influenza virus vaccine (G0008)19 services
- Hemoglobin a1c level (83036)17 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%
- Diabetes65%
- High cholesterol47%
- Arthritis29%
- Osteoporosis29%
- Ischemic heart disease27%
Practice locations
Addresses where Raul F. Trejo is enrolled with Medicare (CMS data updated October 2, 2026).
- 678 3rd AveChula Vista, CA 91910 (619) 662‑4100
Group practices
Medicare enrollment lists Raul F. Trejo as a member of this group (CMS data updated October 2, 2026).
- Centro de Salud de la Comunidad de San Ysidro, Inc.297 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Chula Vista
Clinicians with the same Medicare primary specialty in Chula Vista, CA — not a recommendation.
Other clinicians in Centro de Salud de la Comunidad de San Ysidro, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174534184 |
| 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