COUNTY OF SAN BERNARDINO
NPI 1043281561
Clinical Medical Laboratory in Ontario, CA

Active since February 01, 2006
150 E HOLT BLVD, ONTARIO, CA 91761(909) 458-9430(909) 986-3590 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About County Of San Bernardino NPPES

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

COUNTY OF SAN BERNARDINO (NPI 1043281561) is a healthcare organization registered as a clinical medical laboratory in Ontario, California and active in the NPI registry since February 2006. The organization lists Sharon Wang, Health Officer, as its authorized official.

NPPES Registry Identity

NPI1043281561
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameCOUNTY OF SAN BERNARDINO
Location Address150 E HOLT BLVDOntario, CA 91761-1613
Mailing Address451 E Vanderbilt WaySan Bernardino, CA 92408-3641
Fax(909) 986-3590
Organization SubpartNo
Authorized OfficialSharon WangHealth Officer · (909) 387-6625
Enumeration DateFebruary 1, 2006
Last NPPES UpdateFebruary 18, 2026
NPPES CertifiedFebruary 18, 2026
✔ NPI 1043281561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
150 E HOLT BLVD, Ontario, CA 91761

Other Identifiers 2

MedicaidZZT11488FCA
OtherLAB65059FCA · Lab

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

County Of San Bernardino is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

232

Medicare enrollment records show 232 clinicians reassign Medicare billing to County Of San Bernardino, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 20 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 16

Psychiatry81
Family Practice48
Clinical Social Worker32
Marriage and Family Therapist28
Nurse Practitioner16
Preventive Medicine8
Pediatric Medicine6
Internal Medicine2
8 other specialties11

Nearest to this location (20)

See all 232
Preventive Medicine
NPI 1487972261
150 E HOLT BLVD
Ontario, CA 91761
(909) 458-9447
✔ PECOSSame address
Psychiatry
NPI 1760464226
818 N MOUNTAIN AVE STE 219
Upland, CA 91786
(909) 569-5047
✔ PECOS3.0 mi
Clinical Social Worker
NPI 1396873766
934 N MOUNTAIN AVE SUITE C
Upland, CA 91786
(909) 579-8100
✔ PECOS3.1 mi
Psychiatry
NPI 1437294436
934 N MOUNTAIN AVE SUITE C
Upland, CA 91786
(909) 579-8100
✔ PECOS✔ Accepts Medicare3.1 mi
Psychiatry
NPI 1043779903
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS✔ Accepts Medicare3.6 mi
Clinical Social Worker
NPI 1053761247
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS✔ Accepts Medicare3.6 mi
Marriage and Family Therapist
NPI 1790207512
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS3.6 mi
Clinical Social Worker
NPI 1871079665
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 808-0967
✔ PECOS3.6 mi
Psychiatry
NPI 1518548221
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS✔ Accepts Medicare3.6 mi
Clinical Social Worker
NPI 1003956681
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1316
✔ PECOS✔ Accepts Medicare3.6 mi
Clinical Social Worker
NPI 1609232065
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS3.6 mi
Psychiatry
NPI 1154778934
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS✔ Accepts Medicare3.6 mi
Marriage and Family Therapist
NPI 1871919209
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS✔ Accepts Medicare3.6 mi
Clinical Social Worker
NPI 1356955207
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS✔ Accepts Medicare3.6 mi
Marriage and Family Therapist
NPI 1588792618
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS3.6 mi
Marriage and Family Therapist
NPI 1699800086
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS✔ Accepts Medicare3.6 mi
Psychiatry
NPI 1962744417
2940 INLAND EMPIRE BLVD
Ontario, CA 91764
(909) 458-1350
✔ PECOS✔ Accepts Medicare3.6 mi
Psychiatry
NPI 1497989347
10737 LAUREL ST STE 245
Rancho Cucamonga, CA 91730
(909) 257-8809
✔ PECOS5.4 mi
Family Practice
NPI 1902847320
9500 ETIWANDA AVE
Rancho Cucamonga, CA 91739
(909) 463-5085
✔ PECOS7.1 mi
Psychiatry
NPI 1225119464
1900 SYCAMORE CANYON RD
San Dimas, CA 91773
(626) 975-2968
✔ PECOS9.8 mi
See all 232 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 County Of San Bernardino's NPI number?

The NPI number for County Of San Bernardino is 1043281561. It was assigned to this organization in the NPPES registry on February 1, 2006.

Where is County Of San Bernardino located?

County Of San Bernardino is located at 150 E Holt Blvd, Ontario, CA 91761. The listed phone number is (909) 458-9430.

What is County Of San Bernardino's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Is County Of San Bernardino enrolled in Medicare?

Yes. County Of San Bernardino is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through County Of San Bernardino?

According to the CMS Revalidation Reassignment List (October 2026 release), 232 clinicians in 16 Medicare specialties reassign their Medicare billing to County Of San Bernardino. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Psychiatry (81), Family Practice (48) and Clinical Social Worker (32). Of these, 1 practice at this address and 20 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for County Of San Bernardino was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.