COUNTY OF SAN MATEO
NPI 1003985755
General Acute Care Hospital in San Mateo, CA

Q: What is County Of San Mateo's NPI number?

The NPI number for County Of San Mateo is 1003985755. It was assigned to this organization in the NPPES registry on November 7, 2006. The provider is doing business as San Mateo Medical Center.

Q: What is County Of San Mateo's specialty?

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

Q: What quality rating does County Of San Mateo have?

CMS rates San Mateo Medical Center 3 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.

Active since November 07, 2006CLIA 05D2333349 · Waiver

3/5

Hospital Overall Rating

222 W 39TH AVE, SAN MATEO, CA 94403(650) 573-2222 Get Directions Write a Review

NPPES record last updated: October 15, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About County Of San Mateo NPPES

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

COUNTY OF SAN MATEO (NPI 1003985755), doing business as San Mateo Medical Center, is a healthcare organization registered as a general acute care hospital in San Mateo, California and active in the NPI registry since November 2006. The organization holds a CLIA Waiver certificate valid through November 3, 2027 and lists Jennifer Papa, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1003985755

Entity TypeOrganization

Primary Taxonomy282N00000X

Legal Business NameCOUNTY OF SAN MATEO

Location Address222 W 39TH AVESan Mateo, CA 94403-4364

Mailing Address222 W 39th AveSan Mateo, CA 94403-4364 · (650) 573-2222

Phone(650) 573-2222

Organization SubpartYes

Authorized OfficialJennifer PapaChief Financial Officer · (650) 573-2613

Enumeration DateNovember 7, 2006

Last NPPES UpdateOctober 15, 2025

NPPES CertifiedOctober 15, 2025

✔ NPI 1003985755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care HospitalHospitals

Taxonomy Code282N00000X

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.

222 W 39TH AVE, San Mateo, CA 94403

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Other Names 1

Doing Business AsSan Mateo Medical Center

Other Identifiers 2

MedicaidHSC00113WCA

OtherZZR00113WCA · Hpsm

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2333349

County Of San Mateo Behavorial Health And Recovery · San Mateo, CA

Active · expires Nov 3, 2027

CLIA Number05D2333349

Laboratory TypeCommunity Clinic

Certificate Effective DateNovember 4, 2025

Certificate Expiration DateNovember 3, 2027

Laboratory DirectorPeter A. Dell

Laboratory Phone(650) 573-3609

Laboratory LocationCounty Of San Mateo Behavorial Health And Recovery1950 Alameda De Las Pulgas, San Mateo, CA 94403

CLIA data matches this NPI record on: Name

This certificate is issued to a laboratory to perform only waived tests.

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for San Mateo Medical Center (CMS certification number 050113), from CMS Care Compare.

San Mateo Medical Center

Acute Care Hospitals · San Mateo, CA

3/5 CMS Overall Rating

OwnershipGovernment - Local

CMS Certification Number050113

Location222 W 39th AveSan Mateo, CA 94403 · San Mateo County · (650) 573-2222

Emergency services

Patient Experience

HCAHPS patient survey · Jan 2023 – Dec 2023

3/5 summary rating

Nurse communication

2/5

Doctor communication

3/5

Staff responsiveness

3/5

Communication about medicines

4/5

Discharge information

3/5

Care transition

4/5

Cleanliness

4/5

Quietness

2/5

Overall hospital rating

4/5

Recommend hospital

3/5

Star ratings summarize responses from patients surveyed after discharge, collected through the CMS HCAHPS program.

Complications & Deaths 17

Abdominopelvic accidental puncture or laceration rate

1.14 No different than national

Postoperative wound dehiscence rate

Cases too small to report

Postoperative sepsis rate

Cases too small to report

Perioperative pulmonary embolism or deep vein thrombosis rate

3.76 No different than national

Postoperative respiratory failure rate

Cases too small to report

Postoperative acute kidney injury requiring dialysis rate

Cases too small to report

Infections 1

Clostridium Difficile (C.Diff)

9 observed cases · 7.506 predicted · 12,595 patient days

1.199 No different than national

Unplanned Hospital Visits 13

Rate of readmission after hip/knee replacement

Cases too small to report

Heart failure (HF) 30-Day Readmission Rate

30 No different than national

Rate of readmission for chronic obstructive pulmonary disease (COPD) patients

Cases too small to report

Acute Myocardial Infarction (AMI) 30-Day Readmission Rate

Cases too small to report

Ratio of unplanned hospital visits after hospital outpatient surgery

Cases too small to report

Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy

Cases too small to report

Timely & Effective Care 12

Emergency department volume

Medium

Severe Sepsis 6-Hour Bundle

91%

Severe Sepsis 3-Hour Bundle

95%

Septic Shock 6-Hour Bundle

88%

Septic Shock 3-Hour Bundle

94%

Appropriate care for severe sepsis and septic shock

82%

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.

DR. LORENA MICHEL PSY.D.

Psychologist (Clinical)