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Steven Armstrong, DDS PHD
NPI 1598869505 · General Practice Dentistry · Iowa City, IA
Steven Armstrong, DDS PHD is a General Practice Dentistry provider in Iowa City, IA (NPI 1598869505).
Provider details
- NPI number
- 1598869505
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 07242 (IA)
Specialties & taxonomies
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
Mailing address
257 S Dental Science Bldg
Iowa City, IA 52242-1001
Registry dates
- Enumerated
- 2006-09-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Steven Armstrong's NPI number?
- Steven Armstrong's National Provider Identifier (NPI) is 1598869505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Armstrong's specialty?
- Steven Armstrong is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Steven Armstrong located?
- Steven Armstrong's practice location on file with NPPES is 322 S Dental Science Bldg, Iowa City, IA 52242-1001.
- What is Steven Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Steven Armstrong is (319) 335-7440.
- Is Steven Armstrong's NPI active?
- Yes — Steven Armstrong's NPI (1598869505) 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.