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Nuclear Medicine

Francis Isidoro, MD

Sees patients in Modesto, CA · Encino, CA · Stockton, CA … · California

Summary

Dr. Francis Isidoro, MD is a nuclear medicine doctor at 157 E Coolidge Ave, Modesto, CA 95350. Phone: (209) 524-6800. Accepts Medicare assignment. In 2024, Francis Isidoro had 1,216 Original Medicare patients and 4,994 services. NPI 1548328933. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nuclear medicine doctor (Medicare lists Nuclear Medicine)
  • Address: 157 E Coolidge Ave, Modesto, CA 95350 · Directions (24 more locations)
  • Phone: (209) 524‑6800
  • Medicare: Accepts Medicare assignment
  • Group practice: Beverly Radiology Medical Group III (+5 more)
  • Medical school: graduated 1999 (27 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Francis Isidoro, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

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 patients1,216
Services billed to Medicare4,994
Different services or procedures47
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, regadenoson, 0.1 mg (J2785)936 services
  2. Technetium tc-99m sestamibi, diagnostic, per study dose (A9500)751 services
  3. Nuclear medicine studies of heart muscle at rest and with stress and spect (78452)367 services
  4. Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries (A9552)354 services
  5. 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.

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

Find other Nuclear Medicine doctors in California →

Other nuclear medicine doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All nuclear medicine doctors in California →

Other clinicians in Beverly Radiology Medical Group III

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548328933
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians