John Widness, MD
NPI 1407841125 · Neonatal-Perinatal Medicine Physician · Iowa City, IA
John Widness, MD is a Neonatal-Perinatal Medicine Physician provider in Iowa City, IA (NPI 1407841125).
Provider details
- NPI number
- 1407841125
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 26630 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-09-19
- Last updated
- 2007-12-19
Frequently asked questions
- What is John Widness's NPI number?
- John Widness's National Provider Identifier (NPI) is 1407841125, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Widness's specialty?
- John Widness is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Widness located?
- John Widness's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is John Widness's phone number?
- The practice phone number listed in the NPPES registry for John Widness is (319) 356-8102.
- Is John Widness's NPI active?
- Yes — John Widness's NPI (1407841125) is active in the NPPES registry as of the last update on 2007-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.