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MEDSURG PATHOLOGY ASSOCIATES PC
NPI 1053585497
Pathology - Anatomic Pathology & Clinical Pathology in Portland, OR

Active since April 16, 2008
10300 NE HANCOCK ST, PORTLAND, OR 97220(503) 268-4850(503) 268-4801 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Medsurg Pathology Associates Pc NPPES

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

MEDSURG PATHOLOGY ASSOCIATES PC (NPI 1053585497) is a healthcare organization registered as an anatomic pathology & clinical pathology in Portland, Oregon and active in the NPI registry since April 2008. The organization lists Michael Vincent Mesa, President, as its authorized official.

NPPES Registry Identity

NPI1053585497
Entity TypeOrganization
Primary Taxonomy207ZP0102X
Legal Business NameMEDSURG PATHOLOGY ASSOCIATES PC
Location Address10300 NE HANCOCK STPortland, OR 97220-3831
Mailing AddressPo Box 4207Portland, OR 97208-4207 · (503) 998-7436 · Fax (503) 268-4801
Phone(503) 268-4850
Fax(503) 268-4801
Organization SubpartNo
Authorized OfficialMichael Vincent MesaPresident · (503) 998-7436
Enumeration DateApril 16, 2008
Last NPPES UpdateJanuary 20, 2026
NPPES CertifiedJanuary 20, 2026
✔ NPI 1053585497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
10300 NE HANCOCK ST, Portland, OR 97220
Open in Google Maps ↗

Other Identifiers 1

Medicaid286932OR

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 PacificSource Health Plans.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)

Medsurg Pathology Associates Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Medsurg Pathology Associates PC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Michael Mesa, DO
Pathology
NPI 1184744351
8192 SW DURHAM RD
Tigard, OR 97224
(503) 257-5568
✔ PECOS✔ Accepts Medicare13 mi
Nasser Said-Al-Naief, DDS
Dentist
NPI 1417972209
619 19TH STREET SOUTH
Birmingham, AL 35233
(205) 934-6600
✔ PECOS2,059 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 Medsurg Pathology Associates PC's NPI number?

The NPI number for Medsurg Pathology Associates PC is 1053585497. It was assigned to this organization in the NPPES registry on April 16, 2008.

Where is Medsurg Pathology Associates PC located?

Medsurg Pathology Associates PC is located at 10300 NE Hancock St, Portland, OR 97220. The listed phone number is (503) 268-4850.

What is Medsurg Pathology Associates PC's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Medsurg Pathology Associates PC enrolled in Medicare?

Yes. Medsurg Pathology Associates PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Medsurg Pathology Associates PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Medsurg Pathology Associates PC, in Dentist and Pathology. 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 Medsurg Pathology Associates PC accept?

Health plans from PacificSource Health Plans list Medsurg Pathology Associates 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 Medsurg Pathology Associates PC was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.