Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ashlin Joseph Gasiorowski, D.C.
Chiropractor in Evanston, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255302840
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Ashlin Joseph Gasiorowski
Credential D.C.
Sex Male
Practice address 1954 Dempster St, Evanston, IL, 60202
Phone (847) 475-4545
Fax (847) 475-1371
Enumeration date Jan 31, 2006
Last updated in NPPES Jul 9, 2008
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 |
|---|---|---|---|
| 1635132 | Other | IL | BLUE CROSS ID # |
| K36007 | Other | IL | MEDICARE # |
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 Ashlin Gasiorowski?
The National Provider Identifier (NPI) for Ashlin Gasiorowski is 1255302840, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ashlin Gasiorowski practice?
The practice location on file with NPPES is in Evanston, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Stuart Bernsen Chiropractor · Evanston, IL NPI 1386691566 Chiro One Wellness Center of Evanston Sc Chiropractor · Evanston, IL NPI 1932140647 Lifeworks Centro De Salud Chiropractor · Evanston, IL NPI 1982649364 Marcus Steward Chiropractor · Evanston, IL NPI 1598102238 Shiva Tafazoli Family Nurse Practitioner · Evanston, IL NPI 1922410117
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-09.