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ADVENTIST HEALTH CLEARLAKE HOSPITAL INC
NPI 1558737486
Clinic/Center - Rural Health in Hidden Valley Lake, CA

Active since August 14, 2015CLIA 05D1090124 · Microscopy
18990 COYOTE VALLEY RD, HIDDEN VALLEY LAKE, CA 95467(707) 987-8344 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Sep 15, 2025, Jun 18, 2025, Dec 20, 2022 and 3 more (6 updates tracked since 2016).

About Adventist Health Clearlake Hospital Inc NPPES

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

ADVENTIST HEALTH CLEARLAKE HOSPITAL INC (NPI 1558737486), doing business as Adventist Health Clear Lake, is a healthcare organization registered as a rural health in Hidden Valley Lake, California and active in the NPI registry since August 2015. The organization holds a CLIA Microscopy certificate valid through October 1, 2026 and lists Parker J Pridgen, President, as its authorized official.

NPPES Registry Identity

NPI1558737486
Entity TypeOrganization
Primary Taxonomy261QR1300X
Legal Business NameADVENTIST HEALTH CLEARLAKE HOSPITAL INC
Location Address18990 COYOTE VALLEY RDHidden Valley Lake, CA 95467-8337
Mailing AddressPo Box 888837Los Angeles, CA 90088-8837
Phone(707) 987-8344
Organization SubpartNo
Authorized OfficialParker J PridgenPresident · (707) 467-5200
Enumeration DateAugust 14, 2015
Last NPPES UpdateSeptember 15, 20256 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2025
✔ NPI 1558737486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Rural HealthAmbulatory Health Care Facilities
Taxonomy Code261QR1300X
License✔ Licensed in CA · 110000174
18990 COYOTE VALLEY RD, Hidden Valley Lake, CA 95467
Open in Google Maps ↗

Other Names 1

Doing Business AsAdventist Health Clear Lake

CLIA Laboratory Certificates CMS CLIA 2

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 for Provider-Performed Microscopy Procedures (PPMP) 05D1090124

Adventist Health Medical Specialty · Hidden Valley Lake, CA
Active · expires Oct 1, 2026
CLIA Number05D1090124
Laboratory TypeRural Health Clinic
Certificate Effective DateOctober 2, 2024
Certificate Expiration DateOctober 1, 2026
Laboratory DirectorCorey M. Warner MD
Laboratory Phone(707) 995-5805
Laboratory LocationAdventist Health Medical Specialty18990 Coyote Valley Road Ste 10, Hidden Valley Lake, CA 95467
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D2153740

Adventist Health Medical Specialty · Hidden Valley Lake, CA
Expired · Aug 28, 2026
CLIA Number05D2153740
Laboratory TypeRural Health Clinic
Certificate Effective DateAugust 29, 2024
Certificate Expiration DateAugust 28, 2026
Laboratory DirectorCorey Warner
Laboratory Phone(707) 987-8344
Laboratory LocationAdventist Health Medical Specialty18990 Coyote Valley Road, Suite 8, Hidden Valley Lake, CA 95467
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES 11

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

ADVENTIST HEALTH PHYSICIANS NETWORK
Orthopaedic Surgery
18990 COYOTE VALLEY RD, STE. 5
HIDDEN VALLEY LAKE, CA 95467
Lake County (707) 967-5721
ADVENTIST HEALTH PHYSICIANS NETWORK
Clinic/Center (Multi-Specialty)
18990 COYOTE VALLEY RD, SUITE 8
HIDDEN VALLEY LAKE, CA 95467
Lake County (707) 963-5006
MS. SARAH J TAE L.AC.
Acupuncturist
18990 COYOTE VALLEY RD
HIDDEN VALLEY LAKE, CA 95467
Lake County (415) 797-8299
ADVENTIST HEALTH CALIFORNIA MEDICAL GROUP, INC.
Internal Medicine
18990 COYOTE VALLEY RD, SUITE 10
HIDDEN VALLEY LAKE, CA 95467
Lake County (707) 987-8344
ADVENTIST HEALTH PHYSICIANS NETWORK
Physical Medicine & Rehabilitation (Pain Medicine)
18990 COYOTE VALLEY RD, SUITE 5
HIDDEN VALLEY LAKE, CA 95467
Lake County (707) 967-5721
ADVENTIST HEALTH PHYSICIANS NETWORK
Clinic/Center (Multi-Specialty)
18990 COYOTE VALLEY RD, SUITE 10
HIDDEN VALLEY LAKE, CA 95467
Lake County (707) 987-8344
ADVENTIST HEALTH PHYSICIANS NETWORK
Clinic/Center (Multi-Specialty)
18990 COYOTE VALLEY RD, SUITE 8
HIDDEN VALLEY LAKE, CA 95467
Lake County (707) 987-8344
ADVENTIST HEALTH PHYSICIANS NETWORK
Internal Medicine
18990 COYOTE VALLEY RD, SUITE 9
HIDDEN VALLEY LAKE, CA 95467
Lake County (707) 963-4997

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 Adventist Health Clearlake Hospital Inc's NPI number?

The NPI number for Adventist Health Clearlake Hospital Inc is 1558737486. It was assigned to this organization in the NPPES registry on August 14, 2015. The provider is doing business as Adventist Health Clear Lake.

Where is Adventist Health Clearlake Hospital Inc located?

Adventist Health Clearlake Hospital Inc is located at 18990 Coyote Valley Rd, Hidden Valley Lake, CA 95467. The listed phone number is (707) 987-8344.

What is Adventist Health Clearlake Hospital Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rural Health, with taxonomy code 261QR1300X.

Does Adventist Health Clearlake Hospital Inc hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D1090124) is associated with this NPI, valid through October 1, 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 Adventist Health Clearlake Hospital Inc was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.