Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark S Harriman, MD
Sports Medicine (Orthopaedic Surgery) Physician in Bartlett, TN · enumerated 2005 · practices at Msk Group, PC.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851387351
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00760205 | Other | TN | RR MEDICARE |
| 0151308 | Other | - | OOL |
| 40MD019879 | Other | - | UNITED HEALTH CARE |
| 4228373 | Other | TN | BCBS OF TN |
| 10505 | Medicaid | MS | - |
| 86961 | Other | AR | BCBS |
| 1516452 | Medicaid | TN | - |
| 2687125 | Other | - | CIGNA |
| 139241001 | Medicaid | AR | - |
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 2021-01-20.