Kathleen Koszarek, MSN
NPI 1578670014 · Nurse Practitioner · Green Bay, WI
Kathleen Koszarek, MSN is a Nurse Practitioner provider in Green Bay, WI (NPI 1578670014).
Provider details
- NPI number
- 1578670014
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN
- Sex
- Female
- Sole proprietor
- No
- License
- 57890-030 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
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
- 2006-08-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kathleen Koszarek's NPI number?
- Kathleen Koszarek's National Provider Identifier (NPI) is 1578670014, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Koszarek's specialty?
- Kathleen Koszarek is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathleen Koszarek located?
- Kathleen Koszarek's practice location on file with NPPES is 2845 Greenbrier Rd, Green Bay, WI 54308-8900.
- What is Kathleen Koszarek's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Koszarek is (920) 288-4560.
- Is Kathleen Koszarek's NPI active?
- Yes — Kathleen Koszarek's NPI (1578670014) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.