What is Dennis Tieszen's NPI number?

Dennis Tieszen's National Provider Identifier (NPI) is 1952452831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Dennis Tieszen's specialty?

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

Where is Dennis Tieszen located?

Dennis Tieszen's practice location on file with NPPES is 999 Home Plz, Waterloo, IA 50701-4822.

What is Dennis Tieszen's phone number?

The practice phone number listed in the NPPES registry for Dennis Tieszen is (319) 236-0815.

Is Dennis Tieszen's NPI active?

Yes — Dennis Tieszen's NPI (1952452831) is active in the NPPES registry as of the last update on 2009-12-22.

IndividualActive

Dennis Tieszen, OD

NPI 1952452831 · Optometrist · Waterloo, IA

Dennis Tieszen, OD is a Optometrist provider in Waterloo, IA (NPI 1952452831).

Provider details

NPI number: 1952452831
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: OD
Sex: Male
Sole proprietor: No
License: 01790 (IA)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 01790 (IA)
Eye and Vision Services Providers

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 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

999 Home Plz

Suite 100

Waterloo, IA 50701-4822

Phone: (319) 236-0815

Street-level locationGet directions

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Mailing address