Quick answers
- Does Jose Castrejon accept Medicare assignment?
- Medicare's clinician data says Jose Castrejon may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Jose Castrejon see?
- In 2024, CMS data shows 218 Original Medicare patients and 2,194 services for Jose Castrejon. This counts Original Medicare only and measures volume, not quality.
- What is Jose Castrejon's NPI number?
- 1568486710. 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 Jose Castrejon, 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 | 218 |
|---|---|
| Services billed to Medicare | 2,194 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)773 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)696 services
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)565 services
- Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment (99453)65 services
- New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)38 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%
- Arthritis66%
- Diabetes51%
- Chronic kidney disease47%
- Heart failure41%
Practice locations
Addresses where Jose Castrejon is enrolled with Medicare (CMS data updated October 2, 2026).
- 11838 Bernardo Plaza Ct, Suite 260aSan Diego, CA 92128 (619) 872‑5288
- 2023 W Vista Way, Suite KVista, CA 92083 (760) 806‑1406
Group practices
Medicare enrollment lists Jose Castrejon as a member of this group (CMS data updated October 2, 2026).
- Impact Medical Associates California5 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1568486710 |
| 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