Katalin Szaniszlo, M.D.
NPI 1265557045 · Neonatal-Perinatal Medicine Physician · Neenah, WI
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katalin Szaniszlo, M.D. is a Neonatal-Perinatal Medicine Physician provider in Neenah, WI (NPI 1265557045).
Provider details
- NPI number
- 1265557045
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 43025 (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
19 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
- 2007-03-20
- Last updated
- 2021-12-08
- Certified
- 2021-12-08
Frequently asked questions
- What is Katalin Szaniszlo's NPI number?
- Katalin Szaniszlo's National Provider Identifier (NPI) is 1265557045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katalin Szaniszlo's specialty?
- Katalin Szaniszlo is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katalin Szaniszlo located?
- Katalin Szaniszlo's practice location on file with NPPES is 130 2nd St, Neenah, WI 54956-2883.
- What is Katalin Szaniszlo's phone number?
- The practice phone number listed in the NPPES registry for Katalin Szaniszlo is (920) 969-7990.
- Does Katalin Szaniszlo accept Medicare?
- Katalin Szaniszlo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katalin Szaniszlo's NPI active?
- Yes — Katalin Szaniszlo's NPI (1265557045) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.