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PACIFIC NORTHWEST ENDOCRINOLOGY PLLC
NPI 1588350565
Internal Medicine - Endocrinology, Diabetes & Metabolism in Seattle, WA

Active since April 13, 2023
1201 2ND AVE STE 900, SEATTLE, WA 98101(415) 851-5674(209) 290-3358 Get Directions Write a Review

NPPES record last updated: April 13, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Pacific Northwest Endocrinology Pllc NPPES

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

PACIFIC NORTHWEST ENDOCRINOLOGY PLLC (NPI 1588350565) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Seattle, Washington and active in the NPI registry since April 2023. The organization lists Lori A Cooper, President, as its authorized official.

NPPES Registry Identity

NPI1588350565
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NamePACIFIC NORTHWEST ENDOCRINOLOGY PLLC
Location Address1201 2ND AVE STE 900Seattle, WA 98101-3020
Mailing Address5056 Beach Dr SwSeattle, WA 98136-1040 · (415) 851-5674 · Fax (209) 290-3358
Phone(415) 851-5674
Fax(209) 290-3358
Organization SubpartNo
Authorized OfficialLori A CooperPresident · (415) 851-5674
Enumeration DateApril 13, 2023
NPPES CertifiedApril 13, 2023
✔ NPI 1588350565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1201 2ND AVE STE 900, Seattle, WA 98101
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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

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Pacific Northwest Endocrinology Pllc 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 Pacific Northwest Endocrinology PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Lori Cooper, M.D.
Endocrinology
NPI 1497078091
1101 MADISON ST STE 1270
Seattle, WA 98104
(206) 629-3636
✔ PECOS✔ Accepts Medicare0.6 mi

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 Pacific Northwest Endocrinology PLLC's NPI number?

The NPI number for Pacific Northwest Endocrinology PLLC is 1588350565. It was assigned to this organization in the NPPES registry on April 13, 2023.

Where is Pacific Northwest Endocrinology PLLC located?

Pacific Northwest Endocrinology PLLC is located at 1201 2nd Ave Ste 900, Seattle, WA 98101. The listed phone number is (415) 851-5674.

What is Pacific Northwest Endocrinology PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Pacific Northwest Endocrinology PLLC enrolled in Medicare?

Yes. Pacific Northwest Endocrinology PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Pacific Northwest Endocrinology PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Pacific Northwest Endocrinology PLLC. 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.

What insurance does Pacific Northwest Endocrinology PLLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Pacific Northwest Endocrinology PLLC 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 Pacific Northwest Endocrinology PLLC was last updated on April 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.