Katja Seitz, APNP
NPI 1639030240 · Family Nurse Practitioner · Madison, WI
Katja Seitz, APNP is a Family Nurse Practitioner provider in Madison, WI (NPI 1639030240).
Provider details
- NPI number
- 1639030240
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 16382-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-11-21
- Last updated
- 2025-11-21
- Certified
- 2025-11-21
Frequently asked questions
- What is Katja Seitz's NPI number?
- Katja Seitz's National Provider Identifier (NPI) is 1639030240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katja Seitz's specialty?
- Katja Seitz is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katja Seitz located?
- Katja Seitz's practice location on file with NPPES is 206 E Olin Ave # 101, Madison, WI 53713-1434.
- What is Katja Seitz's phone number?
- The practice phone number listed in the NPPES registry for Katja Seitz is (608) 960-7699.
- Is Katja Seitz's NPI active?
- Yes — Katja Seitz's NPI (1639030240) is active in the NPPES registry as of the last update on 2025-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.