OrganizationActive
Westown Chiropractic
NPI 1578613758 · Chiropractor · Phoenix, AZ
Westown Chiropractic is a Chiropractor organization in Phoenix, AZ (NPI 1578613758).
Provider details
- NPI number
- 1578613758
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- William Siefken, President(602) 993-6340
- License
- 820 (AZ)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(90/100 index)
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
12414 N 28th Dr Ste D
Phoenix, AZ 85029-2488
Phone: (602) 993-6340
Fax: (602) 993-1070
Street-level locationGet directions
Mailing address
12414 N 28th Dr Ste D
Phoenix, AZ 85029-2488
Registry dates
- Enumerated
- 2007-01-11
- Last updated
- 2008-07-29
Frequently asked questions
- What is Westown Chiropractic's NPI number?
- Westown Chiropractic's National Provider Identifier (NPI) is 1578613758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Westown Chiropractic?
- Westown Chiropractic is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Westown Chiropractic located?
- Westown Chiropractic's practice location on file with NPPES is 12414 N 28th Dr Ste D, Phoenix, AZ 85029-2488.
- What is Westown Chiropractic's phone number?
- The practice phone number listed in the NPPES registry for Westown Chiropractic is (602) 993-6340.
- Who is the authorized official for Westown Chiropractic?
- The authorized official listed on Westown Chiropractic's NPPES record is William Siefken, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Westown Chiropractic's NPI active?
- Yes — Westown Chiropractic's NPI (1578613758) is active in the NPPES registry as of the last update on 2008-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.