Tania Hassler, MD
NPI 1225012057 · Pediatrics Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tania Hassler, MD is a Pediatrics Physician provider in Green Bay, WI (NPI 1225012057).
Provider details
- NPI number
- 1225012057
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 57570 (MN)
Specialties & taxonomies
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
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
- 2005-12-05
- Last updated
- 2025-09-08
- Certified
- 2025-09-08
Frequently asked questions
- What is Tania Hassler's NPI number?
- Tania Hassler's National Provider Identifier (NPI) is 1225012057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tania Hassler's specialty?
- Tania Hassler is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Tania Hassler located?
- Tania Hassler's practice location on file with NPPES is 744 S Webster Ave, Green Bay, WI 54301-3505.
- What is Tania Hassler's phone number?
- The practice phone number listed in the NPPES registry for Tania Hassler is (920) 433-3622.
- Does Tania Hassler accept Medicare?
- Tania Hassler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tania Hassler's NPI active?
- Yes — Tania Hassler's NPI (1225012057) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.