Gregory Blau, D.C.
NPI 1003931437 · Chiropractor · Brookfield, WI
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Blau, D.C. is a Chiropractor provider in Brookfield, WI (NPI 1003931437).
Provider details
- NPI number
- 1003931437
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1560 (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
- 2007-03-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Blau's NPI number?
- Gregory Blau's National Provider Identifier (NPI) is 1003931437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Blau's specialty?
- Gregory Blau is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Gregory Blau located?
- Gregory Blau's practice location on file with NPPES is 14625 W Lisbon Rd, Brookfield, WI 53005-1626.
- What is Gregory Blau's phone number?
- The practice phone number listed in the NPPES registry for Gregory Blau is (262) 783-5010.
- Does Gregory Blau accept Medicare?
- Gregory Blau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Blau's NPI active?
- Yes — Gregory Blau's NPI (1003931437) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.