Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David D Siegler, O.D.
Optometrist in Iron Mountain, MI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1568412336
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Registry record
Entity type Individual (Type 1)
Name David D Siegler
Credential O.D.
Sex Male
Practice address 200 Fairbanks St, Iron Mountain, MI, 49801
Phone (906) 774-8280
Fax (906) 774-8290
Enumeration date May 11, 2006
Last updated in NPPES Jul 8, 2007
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 |
|---|---|---|---|
| 1794841 | Medicaid | MI | - |
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 David Siegler?
The National Provider Identifier (NPI) for David Siegler is 1568412336, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Siegler practice?
The practice location on file with NPPES is in Iron Mountain, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Dennis Adam Chiropractor · Iron Mountain, MI NPI 1417950676 Northern Eye Care Associates, P.C. Optometrist · Iron Mountain, MI NPI 1548455231 Adam Chiropractic Center Chiropractor · Iron Mountain, MI NPI 1679744650 Beau Poquette Optometrist · Iron Mountain, MI NPI 1649582586 Audry Poquette Optometrist · Iron Mountain, MI NPI 1568742229 Northern Eye Care Associates, P.C. Optometrist · Iron Mountain, MI NPI 1699051193
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.