OrganizationActive
Quast DC Ltd
NPI 1174174122 · Chiropractor · St Charles, IL
Quast DC Ltd is a Chiropractor organization in St Charles, IL (NPI 1174174122).
Provider details
- NPI number
- 1174174122
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Jennifer Byrnes, Billing(312) 543-9415
Specialties & taxonomies
Chiropractic Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
451 Dunham Rd Ste G
St Charles, IL 60174-1431
Phone: (647) 463-0549
Street-level locationGet directions
Mailing address
451 Dunham Rd Ste G
St Charles, IL 60174-1431
Registry dates
- Enumerated
- 2019-09-21
- Last updated
- 2019-09-21
Frequently asked questions
- What is Quast DC Ltd's NPI number?
- Quast DC Ltd's National Provider Identifier (NPI) is 1174174122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Quast DC Ltd?
- Quast DC Ltd is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Quast DC Ltd located?
- Quast DC Ltd's practice location on file with NPPES is 451 Dunham Rd Ste G, St Charles, IL 60174-1431.
- What is Quast DC Ltd's phone number?
- The practice phone number listed in the NPPES registry for Quast DC Ltd is (647) 463-0549.
- Who is the authorized official for Quast DC Ltd?
- The authorized official listed on Quast DC Ltd's NPPES record is Jennifer Byrnes, Billing. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Quast DC Ltd's NPI active?
- Yes — Quast DC Ltd's NPI (1174174122) is active in the NPPES registry as of the last update on 2019-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.