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Mark Doornek, RN-BSN
NPI 1053240721 · Registered Nurse · Greenfield, WI
Mark Doornek, RN-BSN is a Registered Nurse provider in Greenfield, WI (NPI 1053240721).
Provider details
- NPI number
- 1053240721
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN-BSN
- Sex
- Male
- Sole proprietor
- No
- License
- 176075-30 (WI)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(53/100 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
4800 S 60th St
Greenfield, WI 53220-4616
Phone: (414) 855-2439
Fax: (414) 255-8902
Street-level locationGet directions
Mailing address
3823 S 95th St
Milwaukee, WI 53228-1436
Registry dates
- Enumerated
- 2026-05-18
- Last updated
- 2026-05-18
- Certified
- 2026-05-18
Frequently asked questions
- What is Mark Doornek's NPI number?
- Mark Doornek's National Provider Identifier (NPI) is 1053240721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Doornek's specialty?
- Mark Doornek is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Mark Doornek located?
- Mark Doornek's practice location on file with NPPES is 4800 S 60th St, Greenfield, WI 53220-4616.
- What is Mark Doornek's phone number?
- The practice phone number listed in the NPPES registry for Mark Doornek is (414) 855-2439.
- Is Mark Doornek's NPI active?
- Yes — Mark Doornek's NPI (1053240721) is active in the NPPES registry as of the last update on 2026-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.