What is Michael Duffy's NPI number?

Michael Duffy's National Provider Identifier (NPI) is 1639138670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Duffy's specialty?

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

Where is Michael Duffy located?

Michael Duffy's practice location on file with NPPES is 501 N Main St, Eureka, KS 67045-1315.

What is Michael Duffy's phone number?

The practice phone number listed in the NPPES registry for Michael Duffy is (620) 583-6471.

Is Michael Duffy's NPI active?

Yes — Michael Duffy's NPI (1639138670) is active in the NPPES registry as of the last update on 2008-01-10.

IndividualActive

Michael Duffy, O.D.

NPI 1639138670 · Optometrist · Eureka, KS

Michael Duffy, O.D. is a Optometrist provider in Eureka, KS (NPI 1639138670).

Provider details

NPI number: 1639138670
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: Yes
License: 1119-3 (KS)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 1119-3 (KS)
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

501 N Main St

Eureka, KS 67045-1315

Phone: (620) 583-6471

Street-level locationGet directions

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Mailing address