Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Dana Knight Johnson, D.O.
Surgery Physician in Mount Ayr, IA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245380864
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Registry record
Entity type Individual (Type 1)
Name Dr. Dana Knight Johnson
Credential D.O.
Sex Male
Practice address 504 N. Cleveland St., Mount Ayr, IA, 50854
Phone (641) 464-3226
Fax (641) 464-4420
Enumeration date Jan 12, 2007
Last updated in NPPES Nov 23, 2009
Taxonomy & licenses
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| IA0104 | Other | IA | JOHN DEERE |
| 58933 | Other | IA | BLUE CROSS |
| 8813 | Other | IA | MIDLAND CHOICE |
| 020036723 | Medicaid | IA | - |
| 244754206 | Medicaid | MO | - |
| 0150094 | 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 Dana Johnson?
The National Provider Identifier (NPI) for Dana Johnson is 1245380864, a Type 1 (individual) record in the CMS NPPES registry.
Where does Dana Johnson practice?
The practice location on file with NPPES is in Mount Ayr, IA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Jerald Phipps Family Medicine Physician · Mount Ayr, IA NPI 1043288756 Ringgold County Hospital Durable Medical Equipment & Medical Supplies · Mount Ayr, IA NPI 1154470656 Ringgold County Hospital Critical Access Hospital Clinic/Center · Mount Ayr, IA NPI 1992854434 Ringgold County Hospital Land Ambulance · Mount Ayr, IA NPI 1508916024 Ringgold County Hospital End-Stage Renal Disease (ESRD) Treatment Clinic/Center · Mount Ayr, IA NPI 1366591851 Ringgold County Hospital Medicare Defined Swing Bed Hospital Unit · Mount Ayr, IA NPI 1356490841 Ringgold County Hospital Emergency Care Clinic/Center · Mount Ayr, IA NPI 1700935202 Ringgold County Hospital Critical Access Hospital · Mount Ayr, IA NPI 1811046568
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-11-23.