Source: CMS Care Compare, July 2026 releaseER figures are medians, not live waitsAbout the data
Visiting Seneca District Hospital
- Photo ID and your insurance, Medicare or Medicaid card
- A list of your medicines, doses and allergies
- Your doctor's name and phone number
- A phone charger
Official links: Website for Seneca District Hospital (opens the hospital's site)
Nearby hospitals
- 29mi Plumas District Hospital Quincy, CA · Emergency room · median ER visit 2 hr Call Plumas District Hospital Directions to Plumas District Hospital (Google Maps) Details for Plumas District Hospital
- 33mi Banner Lassen Medical Center Susanville, CA · Emergency room · median ER visit 1 hr 56 min Call Banner Lassen Medical Center Directions to Banner Lassen Medical Center (Google Maps) Details for Banner Lassen Medical Center
- 51mi Mayers Memorial Hospital Fall River Mills, CA · Emergency room · median ER visit 1 hr 45 min Call Mayers Memorial Hospital Directions to Mayers Memorial Hospital (Google Maps) Details for Mayers Memorial Hospital
Quick answers about Seneca District Hospital
How long is the ER wait at Seneca District Hospital?
CMS doesn't publish live wait times. Over the 12 months CMS reported, patients treated and sent home spent a median of 1 hr 36 min in the Seneca District Hospital emergency room (the average across California hospitals is 3 hr 3 min). 1% of ER patients left before being seen. For tonight's wait, check the hospital's website (opens the hospital's own site) or call (530) 258-2151. In an emergency, call 911.
What is the phone number for Seneca District Hospital?
The main phone number for Seneca District Hospital is (530) 258-2151, from Medicare's hospital records.
Call (530) 258-2151What is the address of Seneca District Hospital?
Seneca District Hospital is at 130 Brentwood Dr, Chester, CA 96020.
Directions (opens Google Maps)Does Seneca District Hospital have an emergency room?
Yes. Seneca District Hospital has an emergency department, according to Medicare data.
Quality and performance
Centers for Medicare & Medicaid Services · data as of July 2026
Patients treated and sent home from the emergency department at Seneca District Hospital spend a median of 1 hour 36 minutes there. That is 1 hour 27 minutes shorter than the average across California hospitals (3 hours 3 minutes).
Source: CMS Hospital General Information and Timely & Effective Care. Wait times are a median over a past 12-month reporting period, not live data. Not affiliated with CMS or with Seneca District Hospital. For a medical emergency, call 911.
Compare ER waits across California · Other Critical Access hospitals in California · How we source this data · Something wrong on this page? Tell us
Timely and effective care
Centers for Medicare & Medicaid Services · all patients unless noted · Oct 2024 – Sep 2025
Seneca District Hospital's emergency department is classed by CMS as low volume.
| Measure | This hospital | U.S.* |
|---|---|---|
| Typical time in the ER before going homeMedian minutes from arrival to leaving, for ER patients sent home (not counting mental health patients or transfers). Lower is better. 280 patients. | 96 min | 162 min |
| Typical ER time for mental health patients sent homeMedian minutes from arrival to leaving. Lower is better. 12 patients. | 154 min | 257 min |
| Typical ER time for patients transferred to another facilityMedian minutes from arrival to leaving. Lower is better. 27 patients. | 316 min | 287 min |
| Patients who left the ER before being seenLower is better. 2,558 patients. | 1% | 2% |
| Health care workers vaccinated against fluHigher is better. 165 patients. | 82% | 78% |
| Blood clot prevention givenHigher is better. 31 patients. | 55% | 90%* |
CMS publishes these process-of-care measures without a better/worse verdict, so the U.S. figure is shown for context; small differences, or results based on few patients, may not mean much. *Median of all hospitals CMS reports, where CMS publishes no national figure. About the data.
Care after a stay at Seneca District Hospital
Medicare-certified providers near this hospital, with their CMS ratings. A hospital discharge planner can make the referral.
Skilled nursing facilities nearby
- 0.3mi Seneca District Hospital D/P SNF Chester, CA · 16 beds Medicare overall 3 of 5 stars · Located in a hospital Abuse citation (CMS)
Skilled nursing ratings and inspections at Nursing Homes In Each State
Source: CMS Care Compare. Distances are approximate.
Doctors at Seneca District Hospital
38 Medicare-enrolled doctors and other clinicians list this hospital as an affiliation, across 15 specialties.
Find doctors in Chester
Medicare-enrolled specialists with a practice in Chester, with addresses, phone numbers and the hospitals they work with.
Size and finances
Medicare cost report · fiscal year ending Jun 2025
As reported by the hospital to CMS; not audited. Operating margin is income from patient care divided by net patient revenue and leaves out investment income and donations. Compare California hospital finances.
Who owns Seneca District Hospital
Medicare enrollment and ownership records (PECOS)
Medicare lists the hospital's legal name as Seneca Healthcare District, a non-profit organization.
57 doctors and other clinicians list Seneca District Hospital as a hospital affiliation in Medicare's clinician directory.
Organizations with 5% or more ownership (directly or through other companies), partnership interests or operational control, as the hospital reported them to Medicare. Records can lag behind recent sales. Individuals are not listed. Who owns America's hospitals.
The area around Seneca District Hospital
HRSA shortage designations and BLS pay data
Primary care: Parts of Plumas are federally designated health professional shortage areas (4 designations). Highest shortage score 15.
Mental health: Plumas is a federally designated health professional shortage area. Highest shortage score 18.
Dental: Parts of Plumas are federally designated health professional shortage areas (1 designation). Highest shortage score 12.
Nurse pay: registered nurses in California earn a median $140,270 a year. Healthcare salaries in California.
Shortage areas are designated by the Health Resources and Services Administration where there are too few primary care, mental health or dental providers for the population; scores run from 0 to 25 for primary and mental health care and 0 to 26 for dental care, higher meaning greater need. California shortage areas
Closest other hospitals
Cite this data
Writing about Seneca District Hospital? You're welcome to quote these figures. They are free to use under CC BY 4.0: please credit HospitalsInEachState.com and link to this page.