PALO ALTO PATHOLOGY, INC
NPI 1568509727
Clinical Medical Laboratory in Palo Alto, CA

Active since January 30, 2007
2325 EL CAMINO REAL, PALO ALTO, CA 94306(650) 617-1849(650) 327-2234 Get Directions Write a Review

NPPES record last updated: October 16, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Palo Alto Pathology, Inc NPPES

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

PALO ALTO PATHOLOGY, INC (NPI 1568509727) is a healthcare organization registered as a clinical medical laboratory in Palo Alto, California and active in the NPI registry since January 2007. The organization lists Kenneth Hadler, President, Ceo, as its authorized official.

NPPES Registry Identity

NPI1568509727
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NamePALO ALTO PATHOLOGY, INC
Location Address2325 EL CAMINO REALPalo Alto, CA 94306-1620
Mailing Address2325 El Camino RealPalo Alto, CA 94306-1620 · (650) 617-1849 · Fax (650) 327-2234
Fax(650) 327-2234
Organization SubpartNo
Authorized OfficialKenneth HadlerPresident, Ceo · (650) 617-1849
Enumeration DateJanuary 30, 2007
Last NPPES UpdateOctober 16, 2007
✔ NPI 1568509727 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License✔ Licensed in CA · 206746
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.
2325 EL CAMINO REAL, Palo Alto, CA 94306

Other Identifiers 4

Medicare OSCAR/certificationZZZ03522ZCA
Medicare UPINZZZ03522ZCA
MedicaidZZZ03522ZCA
Medicare PINZZZ03522ZCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Palo Alto Pathology, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Palo Alto Pathology, Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Pathology
NPI 1093884447
2325 EL CAMINO REAL
Palo Alto, CA 94306
(650) 617-1849
✔ PECOS✔ Accepts MedicareSame address

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

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 Compliance 05D0857114

Palo Alto Pathology Inc · Palo Alto, CA
Expired · Sep 30, 2026
CLIA Number05D0857114
Laboratory TypeIndependent
Certificate Effective DateJune 13, 2024
Certificate Expiration DateSeptember 30, 2026
Laboratory DirectorKenneth Hadler
Laboratory Phone(650) 617-1849
Laboratory LocationPalo Alto Pathology Inc2325 El Camino Real, Palo Alto, CA 94306
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Palo Alto Pathology, Inc's NPI number?

The NPI number for Palo Alto Pathology, Inc is 1568509727. It was assigned to this organization in the NPPES registry on January 30, 2007.

Where is Palo Alto Pathology, Inc located?

Palo Alto Pathology, Inc is located at 2325 El Camino Real, Palo Alto, CA 94306. The listed phone number is (650) 617-1849.

What is Palo Alto Pathology, Inc's specialty?

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

Is Palo Alto Pathology, Inc enrolled in Medicare?

Yes. Palo Alto Pathology, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Palo Alto Pathology, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pathology) reassigns their Medicare billing to Palo Alto Pathology, Inc. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Palo Alto Pathology, Inc was last updated on October 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.