Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Rachel Michelle Howley, DC
Chiropractor in Vacaville, CA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1649919093
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Registry record
Entity type Individual (Type 1)
Name Dr. Rachel Michelle Howley
Credential DC
Sex Female
Practice address 190 S Orchard Ave Ste B101, Vacaville, CA, 95688
Phone (707) 448-9661
Fax (707) 448-9663
Enumeration date Jun 2, 2022
Last updated in NPPES Jan 28, 2026
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
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
Where does Rachel Howley practice?
The practice location on file with NPPES is in Vacaville, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Rachel Howley?
The National Provider Identifier (NPI) for Rachel Howley is 1649919093, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-28.