Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William Martin Tweeton, DC
Chiropractor in Washington, IA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154322972
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Registry record
Entity type Individual (Type 1)
Name William Martin Tweeton
Credential DC
Sex Male
Practice address 214 S Iowa Ave, Washington, IA, 52353
Phone (319) 653-2351
Enumeration date Aug 2, 2005
Last updated in NPPES Mar 14, 2015
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 442390001 | Other | IA | PROVIDER PTAN - INDIVIDUAL |
| 1189837 | Medicaid | IA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for William Tweeton?
The National Provider Identifier (NPI) for William Tweeton is 1154322972, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Tweeton practice?
The practice location on file with NPPES is in Washington, IA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Flexible Family Care, PC Clinic/Center · Washington, IA NPI 1629131966 Tweeton Chiropractic PC Chiropractor · Washington, IA NPI 1891985735 Sue Dusterhoft Acupuncturist · Washington, IA NPI 1760720700 Acupuncture and Herbal Health and Wellness, Inc. Acupuncturist · Washington, IA NPI 1194148452 Tweeton Chiropractic, Plc Chiropractor · Washington, IA NPI 1306227350 Tweeton Family Chiropractic Plc Chiropractor · Washington, IA NPI 1467820779 Daniel Tweeton Chiropractor · Washington, IA NPI 1891163002
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-14.