John Hartzell M.D.
About this NPIWhat this record shows.
NPI 1851383921 is registered to John Hartzell M.D., a Surgery practising at 468 Cadieux Rd in Grosse Pointe, Michigan. Surgery is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Hartzell M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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.
Medicaid
- 4583789MI
Source: NPPES public registry.
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 John Hartzell M.D. accepts. To confirm in-network status with your specific health plan, contact John Hartzell M.D. directly at (313) 473-1968.
Frequently asked
Yes. NPI 1851383921 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Surgery 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 (313) 473-1968.
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. John Hartzell M.D. is a Type-1 individual NPI.