Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David M. Knapp, D.C.
Sports Physician Chiropractor in Hillsdale, MI · enumerated 2005 · practices at Knapp Chiropractic Center Pllc.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124024971
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 262968470 | Other | MI | COFINITY |
| 0298111 | Other | MI | CIGNA PPO |
| 5091231 | Other | MI | AETNA |
| 1174771745 | Other | MI | TYPE II NPI |
| 950C010590 | Other | MI | BCBSM |
| 950C010590 | Other | MI | BLUE CARE NETWORK |
| P00643693 | Other | MI | PALMETTO RAILROAD GBA |
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.
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-15.