Dr. Mark Harrison MD
About this NPIWhat this record shows.
NPI 1346278108 is registered to Dr. Mark Harrison MD, a Infectious Disease practising at 1234 Napier Ave in Saint Joseph, Michigan. Infectious Disease is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Mark Harrison MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 1538397120MI· Issued by GROUP NPI
- 76-30001MI· Issued by PHP
- 1101120021MI· Issued by BLUE CROSS
- 110089873MI· Issued by RAILROAD MEDICARE
- 2427250MI· Issued by CIGNA
- 27-0381199MI· Issued by GROUP TAX ID
Medicaid
- 4382664MI
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20071023000328Infectious DiseaseMI
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Mark Harrison MD accepts. To confirm in-network status with your specific health plan, contact Dr. Mark Harrison MD directly at (269) 471-1700.
Frequently asked
Yes. NPI 1346278108 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Infectious Disease is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (269) 471-1700.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Mark Harrison MD is a Type-1 individual NPI.