Christopher Stein
NPI 1285453225 · Nurse Practitioner · Milwaukee, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Stein is a Nurse Practitioner provider in Milwaukee, WI (NPI 1285453225).
Provider details
- NPI number
- 1285453225
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 15468 (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
1 yr 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
- 2024-10-07
- Last updated
- 2024-10-17
- Certified
- 2024-10-17
Frequently asked questions
- What is Christopher Stein's NPI number?
- Christopher Stein's National Provider Identifier (NPI) is 1285453225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Stein's specialty?
- Christopher Stein is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Stein located?
- Christopher Stein's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Christopher Stein's phone number?
- The practice phone number listed in the NPPES registry for Christopher Stein is (414) 955-7040.
- Does Christopher Stein accept Medicare?
- Christopher Stein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Stein's NPI active?
- Yes — Christopher Stein's NPI (1285453225) is active in the NPPES registry as of the last update on 2024-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.