Diana Bayer-Bowstead, D.O.
NPI 1730318205 · Pediatric Allergy/Immunology Physician · Iowa City, IA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Bayer-Bowstead, D.O. is a Pediatric Allergy/Immunology Physician provider in Iowa City, IA (NPI 1730318205).
Provider details
- NPI number
- 1730318205
- Entity type
- Individual
- Primary specialty
- Pediatric Allergy/Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- DO-04569 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-07-06
- Last updated
- 2019-02-28
Frequently asked questions
- What is Diana Bayer-Bowstead's NPI number?
- Diana Bayer-Bowstead's National Provider Identifier (NPI) is 1730318205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Bayer-Bowstead's specialty?
- Diana Bayer-Bowstead is listed in the NPPES registry with a primary specialty of Pediatric Allergy/Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Bayer-Bowstead located?
- Diana Bayer-Bowstead's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Diana Bayer-Bowstead's phone number?
- The practice phone number listed in the NPPES registry for Diana Bayer-Bowstead is (319) 356-1828.
- Does Diana Bayer-Bowstead accept Medicare?
- Diana Bayer-Bowstead is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Bayer-Bowstead's NPI active?
- Yes — Diana Bayer-Bowstead's NPI (1730318205) is active in the NPPES registry as of the last update on 2019-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.