Karl Niedermann, DC
NPI 1497814222 · Chiropractor · Oak Creek, WI
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Niedermann, DC is a Chiropractor provider in Oak Creek, WI (NPI 1497814222).
Provider details
- NPI number
- 1497814222
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1803-12 (WI)
Specialties & taxonomies
Chiropractic 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
- 2006-12-07
- Last updated
- 2025-09-09
- Certified
- 2025-09-09
Frequently asked questions
- What is Karl Niedermann's NPI number?
- Karl Niedermann's National Provider Identifier (NPI) is 1497814222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Niedermann's specialty?
- Karl Niedermann is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Karl Niedermann located?
- Karl Niedermann's practice location on file with NPPES is 1900 W Ryan Rd, Oak Creek, WI 53154-8233.
- What is Karl Niedermann's phone number?
- The practice phone number listed in the NPPES registry for Karl Niedermann is (414) 761-5777.
- Does Karl Niedermann accept Medicare?
- Karl Niedermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Niedermann's NPI active?
- Yes — Karl Niedermann's NPI (1497814222) is active in the NPPES registry as of the last update on 2025-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.