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STANFORD HEALTH CARE TRI-VALLEY
NPI 1144389941
General Acute Care Hospital in Pleasanton, CA

Active since December 07, 2006
4/5
Hospital Overall Rating
5555 W LAS POSITAS BLVD, PLEASANTON, CA 94588(925) 847-3000 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 24, 2024, Sep 1, 2022, Aug 23, 2022 (3 updates tracked since 2022).

About Stanford Health Care Tri-valley NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STANFORD HEALTH CARE TRI-VALLEY (NPI 1144389941) is a healthcare organization registered as a general acute care hospital in Pleasanton, California and active in the NPI registry since December 2006. The organization lists Kyle Wichelmann, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1144389941
Entity TypeOrganization
Primary Taxonomy282N00000X
Legal Business NameSTANFORD HEALTH CARE TRI-VALLEY
Location Address5555 W LAS POSITAS BLVDPleasanton, CA 94588-4000
Mailing AddressPo Box 748618Los Angeles, CA 90074-8618 · (925) 847-3000
Phone(925) 847-3000
Organization SubpartNo
Authorized OfficialKyle WichelmannChief Financial Officer · (925) 847-3000
Enumeration DateDecember 7, 2006
Last NPPES UpdateJune 30, 20263 updates tracked since enumeration
NPPES CertifiedJune 30, 2026
✔ NPI 1144389941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care HospitalHospitals
Taxonomy Code282N00000X
License✔ Licensed in CA · 140000114
Definition
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.
5555 W LAS POSITAS BLVD, Pleasanton, CA 94588
Open in Google Maps ↗

Other Names 1

Other NameValley Memorial Hospital

Other Identifiers 2

MedicaidZZR00283FCA
MedicaidHSP40283FCA

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for Stanford Health Care - Valleycare (CMS certification number 050283), from CMS Care Compare.

Stanford Health Care - Valleycare

Acute Care Hospitals · Pleasanton, CA
4/5 CMS Overall Rating
OwnershipVoluntary non-profit - Private
CMS Certification Number050283
Location5555 West Las Positas BoulevardPleasanton, CA 94588 · Alameda County · (925) 447-7000
Emergency services Birthing friendly Meaningful use of EHRs

Patient Experience

HCAHPS patient survey · Jan 2023 – Dec 2023
3/5 summary rating
Nurse communication
3/5
Doctor communication
4/5
Staff responsiveness
3/5
Communication about medicines
3/5
Discharge information
4/5
Care transition
4/5
Cleanliness
3/5
Quietness
1/5
Overall hospital rating
4/5
Recommend hospital
4/5
Star ratings summarize responses from patients surveyed after discharge, collected through the CMS HCAHPS program.

Complications & Deaths 19

Rate of complications for hip/knee replacement patients
4.4 No different than national
Death rate for heart attack patients
11.6% No different than national
Death rate for CABG surgery patients
2.5% No different than national
Death rate for COPD patients
11.6% No different than national
Death rate for heart failure patients
11.4% No different than national
Death rate for pneumonia patients
14.9% No different than national

Infections 5

Central Line Associated Bloodstream Infection (ICU + select Wards)
4 observed cases · 4.3 predicted · 6,243 patient days
0.930 No different than national
Catheter Associated Urinary Tract Infections (ICU + select Wards)
5 observed cases · 4.8 predicted · 6,758 patient days
1.042 No different than national
SSI - Colon Surgery
1 observed case · 1.894 predicted · 69 patient days
0.528 No different than national
MRSA Bacteremia
2 observed cases · 2.033 predicted · 40,848 patient days
0.984 No different than national
Clostridium Difficile (C.Diff)
5 observed cases · 15.8 predicted · 37,811 patient days
0.316 Better than the national benchmark

Unplanned Hospital Visits 14

Hospital return days for heart attack patients
99 days per 100 discharges
Hospital return days for heart failure patients
399 days per 100 discharges
Hospital return days for pneumonia patients
303 days per 100 discharges
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)
1128 No different than national
Rate of inpatient admissions for patients receiving outpatient chemotherapy
Cases too small to report
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy
Cases too small to report

Timely & Effective Care 17

Emergency department volume
Medium
Percentage of healthcare personnel who are up to date with COVID-19 vaccinations
20.1%
Healthcare workers given influenza vaccination
90%
Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better
205 minutes
Average (median) time patients spent in the emergency department before leaving from the visit- Psychiatric/Mental Health Patients. A lower number of minutes is better
266 minutes
Left before being seen
5%

Maternal Health 2

Elective Delivery
87%
Maternal Morbidity Structural Measure
Yes

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DESMOND CHEE
Physician Assistant
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (925) 416-6585
CYNTHIA SUE PENN-DUECKER MD
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (209) 342-2300
SIMON Y LEE M.D.
Pediatrics
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (925) 416-3672
RYAN SCOTT CATES PA-C
Physician Assistant
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (813) 732-7842
DR. TONY G SHIU MD
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (209) 342-2300
CHARISMA KAUSHIK MD
Internal Medicine (Critical Care Medicine)
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (925) 416-3418
JODI NAKAWATASE PT
Physical Therapist
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (925) 416-3840
EDWARD Y KAN MD
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Alameda County (209) 342-2300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stanford Health Care Tri-Valley's NPI number?

The NPI number for Stanford Health Care Tri-Valley is 1144389941. It was assigned to this organization in the NPPES registry on December 7, 2006. The provider is also known as Valley Memorial Hospital.

Where is Stanford Health Care Tri-Valley located?

Stanford Health Care Tri-Valley is located at 5555 W Las Positas Blvd, Pleasanton, CA 94588. The listed phone number is (925) 847-3000.

What is Stanford Health Care Tri-Valley's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

Is Stanford Health Care Tri-Valley a Medicare-certified hospital?

Yes. Stanford Health Care - Valleycare is a Medicare-certified hospital (Acute Care Hospitals). The hospital provides emergency services.

What quality rating does Stanford Health Care Tri-Valley have?

CMS rates Stanford Health Care - Valleycare 4 out of 5 stars overall on Care Compare, based on measures of safety, patient experience and outcomes. The full measure detail is in the Hospital Quality Ratings section above.

When was this NPI record last updated?

The NPPES record for Stanford Health Care Tri-Valley was last updated on June 30, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.