Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Matthew D Krein, O.D.
Optometrist in Elizabethtown, KY · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1316250459
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Registry record
Entity type Individual (Type 1)
Name Dr. Matthew D Krein
Credential O.D.
Sex Male
Practice address 103 Diecks Dr, Elizabethtown, KY, 42701
Phone (270) 769-1397
Fax (270) 765-4899
Enumeration date Jul 19, 2010
Last updated in NPPES Oct 22, 2012
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 4T086B199 | Other | AR | MEDICARE PTAN |
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
Where does Matthew Krein practice?
The practice location on file with NPPES is in Elizabethtown, KY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Matthew Krein?
The National Provider Identifier (NPI) for Matthew Krein is 1316250459, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → James Campbell Optometrist · Elizabethtown, KY NPI 1700889441 Cristina Patrick Optometrist · Elizabethtown, KY NPI 1417943580 Sarah Krein Optometrist · Elizabethtown, KY NPI 1841503919 E Town Eyecare Psc Optometrist · Elizabethtown, KY NPI 1386909018 C Eye Care Pllc Optometrist · Elizabethtown, KY NPI 1366814824
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-22.