Quick answers
- Does Ilisten M. Jones accept Medicare assignment?
- Yes. Medicare's clinician data says Ilisten M. Jones 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 Ilisten M. Jones see?
- In 2024, CMS data shows 52 Original Medicare patients and 1,915 services for Ilisten M. Jones. This counts Original Medicare only and measures volume, not quality.
- What is Ilisten M. Jones's NPI number?
- 1407148943. 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 Ilisten M. Jones, 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 | 52 |
|---|---|
| Services billed to Medicare | 1,915 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Test for allergy using allergenic extract (95004)750 services
- Test for allergy using allergenic extract injected into skin (95024)74 services
- Administration and interpretation of patient-focused health risk assessment (96160)30 services
- Test to measure the level of nitric oxide gas (95012)17 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 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 cholesterol73%
- High blood pressure58%
- Arthritis56%
- Asthma48%
- Anxiety25%
Practice locations
Addresses where Ilisten M. Jones is enrolled with Medicare (CMS data updated October 2, 2026).
- 2420 Samaritan DrSan Jose, CA 95124 (408) 369‑5600
- 370 N Wiget Ln, Suite 210Walnut Creek, CA 94598 (925) 935‑6252
Group practices
Medicare enrollment lists Ilisten M. Jones as a member of these groups (CMS data updated October 2, 2026).
- Csi Medical Group111 clinicians in the group
- Allergy and Asthma Medical Group of the Bay Area Inc20 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Other clinicians in Csi Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407148943 |
| 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