Dr. Dennis J Irwin, DC
Dr. Dennis J Irwin is a Chiropractor provider (Chiropractor) practicing in Irwin, PA, registered in the NPPES registry with NPI 1760585608 since 2006. The credential DC stands for Doctor of Chiropractic. Practices at Irwin Family Chiropractic Clinic Inc. (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1760585608 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Dennis J Irwin |
| Credential | DC |
| Sex | Male |
| Practice address | 600 OAK ST, Irwin, PA, 15642 |
| Phone | 7248633226 |
| Fax | 7248649871 |
| Enumeration date | 2006-09-06 |
| Last updated in NPPES | 2007-07-08 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 111N00000X | Chiropractor | Primary | DC001196-L | PA |
DC — Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential
Copy-ready billing details
Provider: Dennis Irwin, DC NPI: 1760585608 Taxonomy: 111N00000X (Chiropractor) Address: 600 OAK ST, Irwin, PA, 15642
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1306957402 | Matthew Irwin | Individual | Chiropractor | Irwin, PA |
| 1851413470 | Irwin Family Chiropractic Clinic Inc. | Organization | Chiropractor | Irwin, PA |
| 1972844165 | Wayne Loyer | Individual | Chiropractor | Irwin, PA |
| 1275214306 | Trevor Allen | Individual | Chiropractor | Irwin, PA |
Verify this record
Cross-check NPI 1760585608 against the authoritative CMS record: view Dr. Dennis J Irwin on the official NPPES registry .
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. Read the full guide or validate an NPI number.
Frequently asked questions
What specialty is Dennis Irwin?
Is this the official NPI registry?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.