William Seifert, DO
NPI 1225007479 · Obstetrics & Gynecology Physician · North Kansas City, MO
William Seifert, DO is a Obstetrics & Gynecology Physician provider in North Kansas City, MO (NPI 1225007479).
Provider details
- NPI number
- 1225007479
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- License
- R5F92 (MO)
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
- 2006-03-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Seifert's NPI number?
- William Seifert's National Provider Identifier (NPI) is 1225007479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Seifert's specialty?
- William Seifert is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is William Seifert located?
- William Seifert's practice location on file with NPPES is 2790 Clay Edwards Drive, North Kansas City, MO 64116-3276.
- What is William Seifert's phone number?
- The practice phone number listed in the NPPES registry for William Seifert is (816) 452-3300.
- Is William Seifert's NPI active?
- Yes — William Seifert's NPI (1225007479) 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.