CORNERSTONE MEDICAL CLINIC
NPI 1235460676
Internal Medicine in Sumner, WA

Active since January 25, 2010CLIA 50D2003099 · Waiver
1420 MAIN ST, SUMNER, WA 98390(253) 987-5156(253) 987-5462 Get Directions Write a Review

NPPES record last updated: January 25, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Cornerstone Medical Clinic NPPES

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

CORNERSTONE MEDICAL CLINIC (NPI 1235460676) is a healthcare organization registered as an internal medicine in Sumner, Washington and active in the NPI registry since January 2010. The organization holds a CLIA Waiver certificate valid through April 4, 2028 and lists Lorinda A Marceaux, Manager, as its authorized official.

NPPES Registry Identity

NPI1235460676
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCORNERSTONE MEDICAL CLINIC
Location Address1420 MAIN STSumner, WA 98390-1810
Mailing Address1420 Main StSumner, WA 98390-1810 · (253) 987-5156 · Fax (253) 987-5462
Fax(253) 987-5462
Organization SubpartNo
Authorized OfficialLorinda A MarceauxManager · (253) 241-3401
Enumeration DateJanuary 25, 2010
NPI 1235460676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in WA · MD00036169
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1420 MAIN ST, Sumner, WA 98390

Other Identifiers 8

Other911203494BPWA · Kps
Medicare PIN8858981WA
Other0185591WA · L & I
Other9869DAWA · Regence Rider
Other5496722WA · Aetna
Other98390A015WA · Tricare
Medicare UPING76831WA
Medicaid8232878WA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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 50D2003099

Cornerstone Medical Clinic · Sumner, WA
Active · expires Apr 4, 2028
CLIA Number50D2003099
Laboratory TypePhysician Office
Certificate Effective DateFebruary 2, 2010
Certificate Expiration DateApril 4, 2028
Laboratory DirectorBenigno W. Dagan
Laboratory Phone(253) 987-5156
Laboratory LocationCornerstone Medical Clinic1420 Main St, Sumner, WA 98390
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

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

Internal Medicine
1420 MAIN ST
SUMNER, WA 98390
Nurse Practitioner (Family)
1420 MAIN ST
SUMNER, WA 98390

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 Cornerstone Medical Clinic's NPI number?

The NPI number for Cornerstone Medical Clinic is 1235460676. It was assigned to this organization in the NPPES registry on January 25, 2010.

Where is Cornerstone Medical Clinic located?

Cornerstone Medical Clinic is located at 1420 Main St, Sumner, WA 98390. The listed phone number is (253) 987-5156.

What is Cornerstone Medical Clinic's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Cornerstone Medical Clinic hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 50D2003099) is associated with this NPI, valid through April 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Cornerstone Medical Clinic accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Cornerstone Medical Clinic as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cornerstone Medical Clinic was last updated on January 25, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.