Stephen William Martinkovic, DDS
Stephen William Martinkovic is a General Practice Dentistry provider (Dentist) practicing in Fairfield, OH, registered in the NPPES registry with NPI 1871658021 since 2006. The credential DDS stands for Doctor of Dental Surgery.
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1871658021 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Stephen William Martinkovic |
| Credential | DDS |
| Sex | Male |
| Practice address | Fairfield, OH, 45014 |
| Phone | 5138298844 |
| Fax | 5138298845 |
| Enumeration date | 2006-12-27 |
| Last updated in NPPES | 2008-04-23 |
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 1223G0001X | General Practice Dentistry | Primary | 14973 | OH |
DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential
Copy-ready billing details
Provider: Stephen Martinkovic, DDS NPI: 1871658021 Taxonomy: 1223G0001X (General Practice Dentistry) Address: Fairfield, OH, 45014
Verify this record
Cross-check NPI 1871658021 against the authoritative CMS record: view Stephen William Martinkovic on the official NPPES registry .
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. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2008-04-23.