Individual provider Active NPI

David D Siegler, O.D.

  • Optometrist
  • Iron Mountain, MI
National Provider Identifier
1568412336
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
4901002661 Issued in MI
Practice address
200 Fairbanks St
Iron Mountain, MI 49801-1510
Phone
(906) 774-8280
Fax
(906) 774-8290
NPI assigned
May 11, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 4901002661 MI Primary

Addresses

Primary practice location

200 Fairbanks St
Iron Mountain, MI 49801-1510

Mailing address

200 Fairbanks St
Iron Mountain, MI 49801-1510
Phone (906) 774-8280

Other identifiers 1

IdentifierTypeStateIssuer
1794841MedicaidMI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
4901002661MIMDOptometrist

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1147305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1568412336",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 FAIRBANKS ST",
            "city": "IRON MOUNTAIN",
            "state": "MI",
            "postal_code": "498011510",
            "telephone_number": "906-774-8280",
            "fax_number": "906-774-8290"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 FAIRBANKS ST",
            "city": "IRON MOUNTAIN",
            "state": "MI",
            "postal_code": "498011510",
            "telephone_number": "906-774-8280",
            "fax_number": "906-774-8290"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEGLER",
        "first_name": "DAVID",
        "middle_name": "D",
        "credential": "O.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-11",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "MI",
            "license": "4901002661",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1794841",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Iron Mountain, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.