John C Fremont Healthcare District in Mariposa, CA
In a medical emergency, call 911. This page is for information only.
About John C Fremont Healthcare District
John C Fremont Healthcare District is a critical access hospital in Mariposa, Mariposa County, California. It reports its ownership to Medicare as public (hospital district or authority). It provides emergency services. It does not currently have a CMS Overall Star Rating, which usually means it reports too few measures to be rated. It has 18 licensed beds, according to state license data via HIFLD.
Quality ratings
How this hospital compares with the national rate on each measure group:
Source: Centers for Medicare & Medicaid Services, Hospital General Information. How star ratings work.
Emergency room times
Lower times are better. Reporting period ending September 2025. Source: CMS Timely and Effective Care. What these numbers mean.
What patients say
- Would definitely recommend54%
- Rated the hospital 9 or 1055%
- Completed surveys34
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
37.50200, -119.97737
Frequently asked questions
Where is John C Fremont Healthcare District located?
John C Fremont Healthcare District is at 5189 Hospital Road, Mariposa, CA 95338 in Mariposa County.
Does John C Fremont Healthcare District have an emergency room?
Yes. John C Fremont Healthcare District reports emergency services to Medicare, and patients spent a median of 124 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of John C Fremont Healthcare District?
John C Fremont Healthcare District does not have a current CMS Overall Star Rating. CMS only rates hospitals that report enough measures; critical access, psychiatric, VA and many small hospitals are often unrated, which says nothing about their quality.
Is John C Fremont Healthcare District a trauma center?
We have no trauma center designation on record for John C Fremont Healthcare District. Hospitals without one still treat injuries in their emergency department and transfer patients who need a trauma center. Check the California trauma program for the current list.
What is the phone number of John C Fremont Healthcare District?
The main phone number on record with Medicare is (209) 966-3631.
Would patients recommend John C Fremont Healthcare District?
In the most recent HCAHPS patient survey (34 completed surveys), 54% of patients said they would definitely recommend the hospital, and 55% rated it 9 or 10 out of 10.
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