1. Home
  2. Directory
  3. California
  4. Salinas
  5. Clinic Center
  6. NPI Profile

LOS PALOS PATHOLOGY LAB AND ANCILLARY SERVICES INC
NPI 1093572539
Clinic/Center in Salinas, CA

Active since March 01, 2024CLIA 05D1067003 · Certificate of Compliance
1083 LOS PALOS DR STE 5, SALINAS, CA 93901(831) 800-7887(831) 998-7155 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Los Palos Pathology Lab And Ancillary Services Inc NPPES

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

LOS PALOS PATHOLOGY LAB AND ANCILLARY SERVICES INC (NPI 1093572539) is a healthcare organization registered as a clinic/center in Salinas, California and active in the NPI registry since March 2024. The organization holds a CLIA Certificate of Compliance certificate valid through November 30, 2026, maintains a secondary practice location in Salinas, and lists Raquel M Sisayan, Coo, as its authorized official.

NPPES Registry Identity

NPI1093572539
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameLOS PALOS PATHOLOGY LAB AND ANCILLARY SERVICES INC
Location Address1083 LOS PALOS DR STE 5Salinas, CA 93901-3916
Mailing Address1083 Los Palos Dr Ste 5Salinas, CA 93901-3916 · (831) 594-1537 · Fax (831) 998-7155
Phone(831) 800-7887
Fax(831) 998-7155
Organization SubpartNo
Authorized OfficialRaquel M SisayanCoo · (831) 594-1537
Enumeration DateMarch 1, 2024
Last NPPES UpdateJune 23, 2026
NPPES CertifiedJune 23, 2026
✔ NPI 1093572539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X
1083 LOS PALOS DR STE 5, Salinas, CA 93901
Open in Google Maps ↗

Secondary Practice Location 1

Location 1416B Main StSalinas, CA 93901-3306 · Phone (831) 800-7887

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Los Palos Pathology Lab And Ancillary Services Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Los Palos Pathology Lab And Ancillary Services Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Steven Johnson, M.D
Gastroenterology
NPI 1265439038
1083 LOS PALOS DR
Salinas, CA 93901
(831) 424-8888
✔ PECOS✔ Accepts MedicareSame address
Steven Carlson, M.D.
Pathology
NPI 1225114390
450 E ROMIE LN
Salinas, CA 93901
(831) 800-7887
✔ PECOS✔ Accepts Medicare0.1 mi
Jasper Zheng, MD
Pathology
NPI 1124655436
450 E ROMIE LN
Salinas, CA 93901
(831) 800-7887
✔ PECOS✔ Accepts Medicare0.1 mi
Johnny Hu, M.D.
Pathology
NPI 1740245828
450 E ROMIE LN
Salinas, CA 93901
(831) 758-1223
✔ PECOS✔ Accepts Medicare0.1 mi

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 05D1067003

Los Palos Pathology And Ancillary Services · Salinas, CA
Active · expires Nov 30, 2026
CLIA Number05D1067003
Laboratory TypePhysician Office
Certificate Effective DateFebruary 14, 2024
Certificate Expiration DateNovember 30, 2026
Laboratory DirectorJohnny L. Hu
Laboratory Phone(831) 594-1537
Laboratory LocationLos Palos Pathology And Ancillary Services1083 Los Palos Dr Ste 5, Salinas, CA 93901
CLIA data matches this NPI record on: Address 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 Los Palos Pathology Lab And Ancillary Services Inc's NPI number?

The NPI number for Los Palos Pathology Lab And Ancillary Services Inc is 1093572539. It was assigned to this organization in the NPPES registry on March 1, 2024.

Where is Los Palos Pathology Lab And Ancillary Services Inc located?

Los Palos Pathology Lab And Ancillary Services Inc is located at 1083 Los Palos Dr Ste 5, Salinas, CA 93901. The listed phone number is (831) 800-7887.

What is Los Palos Pathology Lab And Ancillary Services Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Los Palos Pathology Lab And Ancillary Services Inc enrolled in Medicare?

Yes. Los Palos Pathology Lab And Ancillary Services Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Los Palos Pathology Lab And Ancillary Services Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Los Palos Pathology Lab And Ancillary Services 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. The largest specialties are Pathology (3) and Gastroenterology (1). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Los Palos Pathology Lab And Ancillary Services Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D1067003) is associated with this NPI, valid through November 30, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Los Palos Pathology Lab And Ancillary Services Inc was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.