What is John Warren's NPI number?

John Warren's National Provider Identifier (NPI) is 1154425155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Warren's specialty?

John Warren is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is John Warren located?

John Warren's practice location on file with NPPES is 322 S Dental Science Bldg, Iowa City, IA 52242-1001.

What is John Warren's phone number?

The practice phone number listed in the NPPES registry for John Warren is (319) 335-7440.

Is John Warren's NPI active?

Yes — John Warren's NPI (1154425155) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Warren, DDS MS

NPI 1154425155 · Dentist · Iowa City, IA

John Warren, DDS MS is a Dentist provider in Iowa City, IA (NPI 1154425155).

Provider details

NPI number: 1154425155
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: DDS MS
Sex: Male
Sole proprietor: No
License: 40007 (IA)

Specialties & taxonomies

DentistPrimary122300000XLicense 40007 (IA)
Dental 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

322 S Dental Science Bldg

Iowa City, IA 52242-1001

Phone: (319) 335-7440

Fax: (319) 335-7451

Approximate (ZIP-level) locationGet directions

More IA providers

Mailing address

257 S Dental Science Bldg