What is Roger Day's NPI number?

Roger Day's National Provider Identifier (NPI) is 1558457606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Roger Day's specialty?

Roger Day is listed in the NPPES registry with a primary specialty of Pediatric Dentistry (Dental Providers).

Where is Roger Day located?

Roger Day's practice location on file with NPPES is 847 W 4th St, Waterloo, IA 50702-2144.

What is Roger Day's phone number?

The practice phone number listed in the NPPES registry for Roger Day is (319) 234-4486.

Is Roger Day's NPI active?

Yes — Roger Day's NPI (1558457606) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Roger Day, DDS

NPI 1558457606 · Pediatric Dentistry · Waterloo, IA

Roger Day, DDS is a Pediatric Dentistry provider in Waterloo, IA (NPI 1558457606).

Provider details

NPI number: 1558457606
Entity type: Individual
Primary specialty: Pediatric DentistryDental Providers
Credential: DDS
Sex: Male
Sole proprietor: No
License: 05683 (IA)

Practice location

847 W 4th St

Waterloo, IA 50702-2144

Phone: (319) 234-4486

Fax: (319) 833-5393

Street-level locationGet directions

More IA providers

Mailing address

847 W 4th St

Waterloo, IA 50702-2144

Specialties & taxonomies

Pediatric DentistryPrimary1223P0221XLicense 05683 (IA)
Dental 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.

Enumerated: 2006-10-05
Last updated: 2007-07-08

Frequently asked questions

What is Roger Day's NPI number?: Roger Day's National Provider Identifier (NPI) is 1558457606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Roger Day's specialty?: Roger Day is listed in the NPPES registry with a primary specialty of Pediatric Dentistry (Dental Providers).
Where is Roger Day located?: Roger Day's practice location on file with NPPES is 847 W 4th St, Waterloo, IA 50702-2144.
What is Roger Day's phone number?: The practice phone number listed in the NPPES registry for Roger Day is (319) 234-4486.
Is Roger Day's NPI active?: Yes — Roger Day's NPI (1558457606) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions