Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Martin D Mark, M.D.
Surgery Physician in Louisville, KY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457312894
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Registry record
Entity type Individual (Type 1)
Name Dr. Martin D Mark
Credential M.D.
Sex Male
Practice address 3999 Dutchmans Ln, Suite 7b, Louisville, KY, 40207
Phone (502) 896-4711
Fax (502) 896-4791
Enumeration date Mar 28, 2006
Last updated in NPPES Jul 12, 2016
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 000000049919 | Other | KY | ANTHEM PIN # |
| 64291388 | Medicaid | KY | - |
| 201083450 | Medicaid | IN | - |
| 50034544 | Other | KY | PASSPORT- NORTON SURGICAL SPECIALISTS |
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
What is the NPI number for Martin Mark?
The National Provider Identifier (NPI) for Martin Mark is 1457312894, a Type 1 (individual) record in the CMS NPPES registry.
Where does Martin Mark practice?
The practice location on file with NPPES is in Louisville, KY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-12.