What is Eugene Demayo's NPI number?

Eugene Demayo's National Provider Identifier (NPI) is 1083607345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Eugene Demayo's specialty?

Eugene Demayo is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Eugene Demayo located?

Eugene Demayo's practice location on file with NPPES is 3121 28th St, Boulder, CO 80301-1315.

What is Eugene Demayo's phone number?

The practice phone number listed in the NPPES registry for Eugene Demayo is (303) 938-1500.

Is Eugene Demayo's NPI active?

Yes — Eugene Demayo's NPI (1083607345) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Eugene Demayo, O.D.

NPI 1083607345 · Optometrist · Boulder, CO

Eugene Demayo, O.D. is a Optometrist provider in Boulder, CO (NPI 1083607345).

Provider details

NPI number: 1083607345
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
License: 1160 (CO)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 1160 (CO)
Eye and Vision Services Providers
Corneal and Contact Management Optometrist152WC0802XLicense 1160 (CO)
Eye and Vision Services Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3121 28th St

Boulder, CO 80301-1315

Phone: (303) 938-1500

Fax: (303) 938-9458

Street-level locationGet directions

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Mailing address