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Radiation Oncology

Mihoko Fujita, MD

Works at hospitals in Mariposa, CA · Merced, CA · California

Summary

Dr. Mihoko Fujita, MD is a radiation oncologist at 3850 G St, Merced, CA 95340. Phone: (209) 564-3600. Accepts Medicare assignment. In 2024, Mihoko Fujita had 100 Original Medicare patients and 1,005 services. NPI 1447295746. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Mihoko Fujita, 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 Mihoko Fujita accept Medicare assignment?
Yes. Medicare's clinician data says Mihoko Fujita 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 Mihoko Fujita see?
In 2024, CMS data shows 100 Original Medicare patients and 1,005 services for Mihoko Fujita. This counts Original Medicare only and measures volume, not quality.
What is Mihoko Fujita's NPI number?
1447295746. 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 Mihoko Fujita, 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 patients100
Services billed to Medicare1,005
Different services or procedures16
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)395 services
  2. Calculation of radiation therapy dose (77300)257 services
  3. Radiation treatment management, 5 treatment sessions (77427)85 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)55 services
  5. Design and construction of complex radiation treatment device (77334)50 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%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High cholesterol65%
  • Diabetes34%
  • Arthritis33%
  • COPD30%

Hospitals where Mihoko Fujita works

Medicare's Facility Affiliation Data lists Mihoko Fujita at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • John C Fremont Healthcare DistrictMariposa, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051304
  • Mercy Medical CenterMerced, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050444

Practice locations

Addresses where Mihoko Fujita is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mihoko Fujita as a member of this group (CMS data updated October 2, 2026).

  • Parminder S Sidhu Medical Corporation4 clinicians in the group

Specialties

Find other Radiation Oncology doctors in California →

Other radiation oncologists in Merced

Clinicians with the same Medicare primary specialty in Merced, CA — not a recommendation.

All radiation oncologists in Merced →

Other clinicians in Parminder S Sidhu Medical Corporation

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

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447295746
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians