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THE ENDOCRINE CLINIC PC
NPI 1255367884
Internal Medicine - Endocrinology, Diabetes & Metabolism in Portland, OR

Active since June 24, 2006
10000 SE MAIN ST, SUITE 403, PORTLAND, OR 97216(503) 256-4096(503) 256-0101 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About The Endocrine Clinic Pc NPPES

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

THE ENDOCRINE CLINIC PC (NPI 1255367884) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Portland, Oregon and active in the NPI registry since June 2006. The organization lists Tami L Prideaux, Clinic Manager, as its authorized official.

NPPES Registry Identity

NPI1255367884
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameTHE ENDOCRINE CLINIC PC
Location Address10000 SE MAIN ST, SUITE 403Portland, OR 97216-2448
Mailing Address10000 Se Main St, Suite 403Portland, OR 97216-2448 · (503) 256-4096 · Fax (503) 256-0101
Phone(503) 256-4096
Fax(503) 256-0101
Organization SubpartNo
Authorized OfficialTami L PrideauxClinic Manager · (503) 256-4096
Enumeration DateJune 24, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1255367884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in OR · MD019378
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.
10000 SE MAIN ST, Portland, OR 97216
Open in Google Maps ↗

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 BridgeSpan Health Company, Providence Health Plan, Regence BlueCross BlueShield of Oregon.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)

The Endocrine Clinic Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to The Endocrine Clinic PC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Diana Negreanu, MD
Endocrinology
NPI 1538282447
5050 NE HOYT ST STE 317
Portland, OR 97213
(503) 256-4096
✔ PECOS✔ Accepts Medicare2.7 mi
Gerald Youker, MD
Endocrinology
NPI 1912908138
5050 NE HOYT ST SUITE 317
Portland, OR 97213
(503) 256-4096
✔ PECOS✔ Accepts Medicare2.7 mi
Olesya Petrenko, DO
Endocrinology
NPI 1427585942
4805 NE GLISAN ST STE 6N40
Portland, OR 97213
(503) 215-6601
✔ PECOS✔ Accepts Medicare2.8 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 The Endocrine Clinic PC's NPI number?

The NPI number for The Endocrine Clinic PC is 1255367884. It was assigned to this organization in the NPPES registry on June 24, 2006.

Where is The Endocrine Clinic PC located?

The Endocrine Clinic PC is located at 10000 SE Main St Suite 403, Portland, OR 97216. The listed phone number is (503) 256-4096.

What is The Endocrine Clinic PC's specialty?

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

Is The Endocrine Clinic PC enrolled in Medicare?

Yes. The Endocrine Clinic PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through The Endocrine Clinic PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Endocrinology, reassign their Medicare billing to The Endocrine Clinic PC. 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. Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does The Endocrine Clinic PC accept?

Health plans from BridgeSpan Health Company, Providence Health Plan and Regence BlueCross BlueShield of Oregon list The Endocrine Clinic PC 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 The Endocrine Clinic PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.