DR. ROY MICHAEL MASS D.C.
NPI 1295812253
Chiropractor in Ontario, OR

Q: What is Roy Mass's NPI number?

The NPI number for Roy Mass is 1295812253. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Q: What is Roy Mass's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Q: When was this NPI record last updated?

The NPPES record for Roy Mass was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since November 01, 2006

2075 SUNSET DR, ONTARIO, OR 97914(541) 889-4197(541) 889-4197 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Roy Michael Mass D.c. NPPES

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

DR. ROY MICHAEL MASS D.C. (NPI 1295812253) is an individual chiropractor in Ontario, Oregon, licensed in California (11336) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1295812253

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. ROY MICHAEL MASSCredential: D.C.

Location Address2075 SUNSET DROntario, OR 97914-4148

Mailing Address2075 Sunset DrOntario, OR 97914-4148 · (541) 889-4197 · Fax (541) 889-4197

Phone(541) 889-4197

Fax(541) 889-4197

Sole ProprietorYes

Enumeration DateNovember 1, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1295812253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in CA · 11336

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

2075 SUNSET DR, Ontario, OR 97914

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Other Providers at the Same Location NPPES

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

MICHAEL MASS CHIROPRACTIC, INC

Chiropractor

2075 SUNSET DR
ONTARIO, OR 97914

Malheur County (541) 889-4197

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 Roy Mass's NPI number?

The NPI number for Roy Mass is 1295812253. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Roy Mass located?

Roy Mass practices at 2075 Sunset Dr, Ontario, OR 97914. The listed phone number is (541) 889-4197.

What is Roy Mass's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for Roy Mass was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.