MR. STEVEN JOHN ZWIENER DC
NPI 1831154517
Chiropractor in Kennewick, WA
About Mr. Steven John Zwiener Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. STEVEN JOHN ZWIENER DC (NPI 1831154517) is an individual chiropractor in Kennewick, Washington, licensed in Washington (H00001678) and active in the NPI registry since April 2006. He is a graduate of Palmer College Chiropractic - West Sunnyvale (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Steven John Zwiener Dc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Steven Zwiener reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kennewick, WA 99336
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Zwiener Chiropractic Clinic Inc Ps
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Zwiener's NPI number?
The NPI number for Steven Zwiener is 1831154517. It was assigned to this individual provider in the NPPES registry on April 18, 2006.
Where is Steven Zwiener located?
Steven Zwiener practices at 7303 W Canal Dr Ste B101, Kennewick, WA 99336. The listed phone number is (509) 735-7474.
What is Steven Zwiener's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Steven Zwiener enrolled in Medicare?
Yes. Steven Zwiener is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Steven Zwiener's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Zwiener reassigns Medicare benefits to Zwiener Chiropractic Clinic Inc., P.S. (Kennewick, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Zwiener's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Steven Zwiener was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. Steven John Zwiener, DC · NPI 1831154517
Chiropractor provider in Kennewick, Washington. Individual provider, active in the CMS NPPES registry since April 18, 2006.
## Identity
- **NPI:** 1831154517 (Entity type: Individual)
- **Enumerated:** April 18, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** H00001678 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 7303 W CANAL DR STE B101, Kennewick, WA 99336-6605
- **Phone:** (509) 735-7474 · **Fax:** (509) 735-6011
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Zwiener Chiropractic Clinic Inc., P.S. (NPI 1144265687, Kennewick, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - West Sunnyvale, class of 1981
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other 18193 (WA); Medicaid 2002046 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1831154517) · Data from the CMS NPPES public registry.