Quick answers
- Does Jason S. Keri accept Medicare assignment?
- Yes. Medicare's clinician data says Jason S. Keri 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 Jason S. Keri see?
- In 2024, CMS data shows 381 Original Medicare patients and 1,653 services for Jason S. Keri. This counts Original Medicare only and measures volume, not quality.
- What is Jason S. Keri's NPI number?
- 1811915812. 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 Jason S. Keri, 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 | 381 |
|---|---|
| Services billed to Medicare | 1,653 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)696 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)439 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)234 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)104 services
- Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes (99345)66 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%
- Alzheimer's disease or dementia69%
- High cholesterol63%
- Depression61%
- Anxiety47%
- Arthritis44%
Practice locations
Addresses where Jason S. Keri is enrolled with Medicare (CMS data updated October 2, 2026).
- 1701 Mission Ave, Suite 230Oceanside, CA 92058 (760) 712‑3535
- 2810 Camino Del Rio S, Suite 102San Diego, CA 92108 (619) 299‑1419
- 436 S Magnolia Ave, Suite 101El Cajon, CA 92020 (760) 978‑8596
Group practices
Medicare enrollment lists Jason S. Keri as a member of these groups (CMS data updated October 2, 2026).
- Del Sur Healthcare59 clinicians in the group
- Mental Health Systems Inc34 clinicians in the group
- Senior Medical Associates Inc12 clinicians in the group
Specialties
- Psychiatryprimary
- Geriatric Psychiatryalso
Other psychiatrists in Oceanside
Clinicians with the same Medicare primary specialty in Oceanside, CA — not a recommendation.
Other clinicians in Del Sur Healthcare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northeastern Ohio University College Of Medicine |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811915812 |
| 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