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Roy Michael Mass, DC

  • Ontario, OR
  • Chiropractor
NPI1295812253
Affiliated sites
1
State license
1
Year NPI issued
2006
Practice address
2075 Sunset Dr, Ontario, OR 97914
Practice phone
Call (541) 889-4197
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Michael Mass Chiropractic, Inc.

Physician office · Ontario, Oregon

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Roy Michael Mass is a chiropractor in Ontario, Oregon

Roy Mass practices at Michael Mass Chiropractic, Inc. in Ontario, Oregon.

Roy Mass' NPI, 1295812253, was assigned on November 1, 2006. Roy Mass holds California license 11336.

NPI and contact details
NPI
1295812253NPI Registry (opens in a new tab)
NPI enumeration date
November 1, 2006
NPI status
Active
Practice phone
(541) 889-4197
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Roy Michael Mass practices at Michael Mass Chiropractic, Inc. in Ontario, Oregon

Roy Mass' primary practice is Michael Mass Chiropractic, Inc., at 2075 Sunset Dr, Ontario, OR 97914. The practice phone is (541) 889-4197.

  • Michael Mass Chiropractic, Inc.
    2075 Sunset Dr, Ontario, OR 97914Phone(541) 889-4197

Source: Dmand AI Affiliation Data

Roy Michael Mass is affiliated with 1 site of care

Roy Mass' primary practice is Michael Mass Chiropractic, Inc. in Ontario, Oregon.

Michael Mass Chiropractic, Inc.Physician office · Ontario, OregonPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Roy Michael Mass' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Roy Mass practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Michael Mass Chiropractic, Inc.Available with a free account

Source: Dmand AI Technology Install Data

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Roy Michael Mass is one of 836 chiropractors in Oregon

Chiropractor is Roy Mass' primary specialty in the NPI Registry, under taxonomy code 111N00000X. Roy Mass is licensed in California.

Specialties and state licenses

  • Chiropractor, CaliforniaPrimaryLicense 11336 · taxonomy 111N00000X

Chiropractors near Roy Mass

Counts of chiropractors with a Dmand AI profile, by place and practice. Each opens the list.

836chiropractors in Oregon
5chiropractors in Ontario

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Sources for Roy Michael Mass's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Roy Michael Mass

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Roy Michael Mass' NPI number?

Roy Michael Mass' NPI number is 1295812253. It was assigned on November 1, 2006, and it is active in the NPI Registry.

What does Roy Michael Mass specialize in?

Roy Michael Mass is a chiropractor in Ontario, Oregon. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does Roy Michael Mass practice?

Roy Mass practices at 2075 Sunset Dr, Ontario, OR 97914. Roy Mass' primary practice is Michael Mass Chiropractic, Inc. in Ontario, Oregon.

What is Roy Michael Mass' office phone number?

The practice phone on file for Roy Mass is (541) 889-4197.

What is Roy Michael Mass' medical license number?

Roy Mass holds California license 11336.

How long has Roy Michael Mass been practicing?

Roy Mass' NPI was assigned in 2006.

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