Hannah Seyller
NPI 1154071421 · Emergency Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hannah Seyller is a Emergency Medicine Physician provider in Milwaukee, WI (NPI 1154071421).
Provider details
- NPI number
- 1154071421
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 85586-20 (WI)
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
4 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
- 2022-03-28
- Last updated
- 2025-07-10
- Certified
- 2025-07-10
Frequently asked questions
- What is Hannah Seyller's NPI number?
- Hannah Seyller's National Provider Identifier (NPI) is 1154071421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Seyller's specialty?
- Hannah Seyller is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hannah Seyller located?
- Hannah Seyller's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Hannah Seyller's phone number?
- The practice phone number listed in the NPPES registry for Hannah Seyller is (414) 955-6450.
- Does Hannah Seyller accept Medicare?
- Hannah Seyller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hannah Seyller's NPI active?
- Yes — Hannah Seyller's NPI (1154071421) is active in the NPPES registry as of the last update on 2025-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.