Karolina Stack, M.D.
NPI 1053842443 · Pediatrics Physician · Oshkosh, WI
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karolina Stack, M.D. is a Pediatrics Physician provider in Oshkosh, WI (NPI 1053842443).
Provider details
- NPI number
- 1053842443
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1053842243 (IL)
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
9 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
- 2017-03-27
- Last updated
- 2025-06-30
- Certified
- 2025-06-30
Frequently asked questions
- What is Karolina Stack's NPI number?
- Karolina Stack's National Provider Identifier (NPI) is 1053842443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karolina Stack's specialty?
- Karolina Stack is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Karolina Stack located?
- Karolina Stack's practice location on file with NPPES is 2700 W 9th Ave Ste 211, Oshkosh, WI 54904-7865.
- What is Karolina Stack's phone number?
- The practice phone number listed in the NPPES registry for Karolina Stack is (920) 223-8000.
- Does Karolina Stack accept Medicare?
- Karolina Stack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karolina Stack's NPI active?
- Yes — Karolina Stack's NPI (1053842443) is active in the NPPES registry as of the last update on 2025-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.