Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. David Allan Couch, M.D.
Retina Specialist (Ophthalmology) Physician in Kingsport, TN · enumerated 2005 · practices at Southeastern Retina Associates, P.C..
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659377679
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 180043086 | Other | VA | RAILROAD MC VA |
| 180043087 | Other | TN | RAILROAD MEDICARE |
| 3715424 | Medicaid | TN | - |
| 64047194 | Medicaid | KY | - |
| 006309453 | Medicaid | VA | - |
| 006310397 | Medicaid | VA | - |
| 89065YF | Medicaid | NC | - |
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
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-22.