IndividualActive
Zachary Klein, RN
NPI 1598634552 · Registered Nurse · Oshkosh, WI
Zachary Klein, RN is a Registered Nurse provider in Oshkosh, WI (NPI 1598634552).
Provider details
- NPI number
- 1598634552
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- 26457130 (WI)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
855 N Westhaven Dr
Oshkosh, WI 54904-7668
Phone: (920) 456-6000
Street-level locationGet directions
Mailing address
345 Sibley St
Fond Du Lac, WI 54935-2149
Registry dates
- Enumerated
- 2025-10-30
- Last updated
- 2025-10-30
- Certified
- 2025-10-29
Frequently asked questions
- What is Zachary Klein's NPI number?
- Zachary Klein's National Provider Identifier (NPI) is 1598634552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Klein's specialty?
- Zachary Klein is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Zachary Klein located?
- Zachary Klein's practice location on file with NPPES is 855 N Westhaven Dr, Oshkosh, WI 54904-7668.
- What is Zachary Klein's phone number?
- The practice phone number listed in the NPPES registry for Zachary Klein is (920) 456-6000.
- Is Zachary Klein's NPI active?
- Yes — Zachary Klein's NPI (1598634552) is active in the NPPES registry as of the last update on 2025-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.