Doctor profile · Federal record

Dr. Steven Zwiener, DC

Chiropractor (CMS: Chiropractic) · Kennewick, WA

  • NPI 1831154517
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7303 W Canal Dr Ste B101
Kennewick, WA 993366605
(509) 735-7474
fax (509) 735-6011

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Washington #H00001678
Medicaid
WA #2002046

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831154517. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,385
Distinct HCPCS
1
Medicare allowed
$94,901
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 2,385 95 $40

In context: peer comparison

Among 9 peers in Kennewick Chiropractor, average services per provider: 604. This provider delivers 3.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Zwiener's medical specialty?
Dr. Steven Zwiener practices Chiropractor in Kennewick, WA.
Where does Dr. Steven Zwiener practice?
Dr. Steven Zwiener practices at 7303 W Canal Dr Ste B101, Kennewick, WA 993366605. Office phone: 5097357474.
What is Dr. Steven Zwiener's NPI?
Dr. Steven Zwiener's National Provider Identifier (NPI) is 1831154517, issued by NPPES.
Does Dr. Steven Zwiener accept Medicare assignment?
Yes. Dr. Steven Zwiener accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Zwiener commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.