Quick answers
- Does Francis Isidoro accept Medicare assignment?
- Yes. Medicare's clinician data says Francis Isidoro 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 Francis Isidoro see?
- In 2024, CMS data shows 1,216 Original Medicare patients and 4,994 services for Francis Isidoro. This counts Original Medicare only and measures volume, not quality.
- What is Francis Isidoro's NPI number?
- 1548328933. 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 Francis Isidoro, 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 | 1,216 |
|---|---|
| Services billed to Medicare | 4,994 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, regadenoson, 0.1 mg (J2785)936 services
- Technetium tc-99m sestamibi, diagnostic, per study dose (A9500)751 services
- Nuclear medicine studies of heart muscle at rest and with stress and spect (78452)367 services
- Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries (A9552)354 services
- Nuclear medicine study from skull base to mid-thigh with ct scan (78815)339 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%
- Diabetes34%
- Ischemic heart disease32%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)32%
Practice locations
Addresses where Francis Isidoro is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 25; the Medicare profile lists all.
- 157 E Coolidge AveModesto, CA 95350 (209) 524‑6800
- 16130 Ventura Blvd, Suite 100Encino, CA 91436 (818) 933‑2020
- 1801 E March Ln, Suite A130Stockton, CA 95210
- 18523 Corwin Rd, Suite JApple Valley, CA 92307 (760) 242‑4444
- 1950 Court StRedding, CA 96001 · Nuclear Medicine Associates (530) 247‑8147
Group practices
Medicare enrollment lists Francis Isidoro as a member of these groups (CMS data updated October 2, 2026).
- Beverly Radiology Medical Group III328 clinicians in the group
- Desert Advanced Imaging Medical Center208 clinicians in the group
- Norcal Imaging82 clinicians in the group
- Modesto Advanced Diagnostic Imaging Medical Center65 clinicians in the group
- Stockton Diagnostic Imaging61 clinicians in the group
- Inview Imaging Diagnostics Inc a Professional Medical Corporation19 clinicians in the group
Specialties
- Nuclear Medicineprimary
Other nuclear medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Beverly Radiology Medical Group III
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548328933 |
| 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