Julie Karczewski, APNP
NPI 1568653350 · Family Nurse Practitioner · Greenfield, WI
Julie Karczewski, APNP is a Family Nurse Practitioner provider in Greenfield, WI (NPI 1568653350).
Provider details
- NPI number
- 1568653350
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 3148 (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
18 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
- 2007-08-06
- Last updated
- 2014-02-25
Frequently asked questions
- What is Julie Karczewski's NPI number?
- Julie Karczewski's National Provider Identifier (NPI) is 1568653350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Karczewski's specialty?
- Julie Karczewski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Julie Karczewski located?
- Julie Karczewski's practice location on file with NPPES is 4131 W Loomis Rd, Greenfield, WI 53221-2057.
- What is Julie Karczewski's phone number?
- The practice phone number listed in the NPPES registry for Julie Karczewski is (414) 325-7246.
- Is Julie Karczewski's NPI active?
- Yes — Julie Karczewski's NPI (1568653350) is active in the NPPES registry as of the last update on 2014-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.