Hannah Flak
NPI 1043995111 · Surgical Physician Assistant · Marshfield, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hannah Flak is a Surgical Physician Assistant provider in Marshfield, WI (NPI 1043995111).
Provider details
- NPI number
- 1043995111
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 8455 (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
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- W16981 Thorn Apple DrWittenberg, WI 54499-8456Phone: (715) 326-0156
Registry dates
- Enumerated
- 2023-06-16
- Last updated
- 2025-11-18
- Certified
- 2025-11-18
Frequently asked questions
- What is Hannah Flak's NPI number?
- Hannah Flak's National Provider Identifier (NPI) is 1043995111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Flak's specialty?
- Hannah Flak is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hannah Flak located?
- Hannah Flak's practice location on file with NPPES is 1000 North Oak Avenue, Marshfield, WI 54449-5703.
- What is Hannah Flak's phone number?
- The practice phone number listed in the NPPES registry for Hannah Flak is (715) 387-5511.
- Does Hannah Flak accept Medicare?
- Hannah Flak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hannah Flak's NPI active?
- Yes — Hannah Flak's NPI (1043995111) is active in the NPPES registry as of the last update on 2025-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.