Tristan Voelker, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

139039 Issued in IA

Practice address

202 S Main St
Elkader, IA 52043-9078

Phone

(563) 245-2304

NPI assigned

Jun 5, 2026

Last updated

Jun 5, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Specialty

Optometry

Education

Ferris State College - College of Optometry, 2026

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Woodland Eye Clinic, PC

  dba Woodland Eye Clinic of West Union

  • Optometrist
  • West Union, IA
  • NPI 1023878485
  NPD
• Woodland Eye Clinic, PC

  dba Woodland Eye Clinic of Elkader

  • Optometrist
  • Elkader, IA
  • NPI 1780444224
  NPD

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

{
    "created_epoch": "1780617600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780617600000",
    "number": "1174456487",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "819 9TH ST SE STE B",
            "city": "DYERSVILLE",
            "state": "IA",
            "postal_code": "520402325",
            "telephone_number": "563-875-0006"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "202 S MAIN ST",
            "city": "ELKADER",
            "state": "IA",
            "postal_code": "520439078",
            "telephone_number": "563-245-2304"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "201 N Main St",
            "address_purpose": "LOCATION",
            "city": "Elkader",
            "state": "IA",
            "postal_code": "520437708",
            "country_code": "US",
            "telephone_number": "563-245-2304",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "819 9th St SE Ste B",
            "address_purpose": "LOCATION",
            "city": "Dyersville",
            "state": "IA",
            "postal_code": "520402325",
            "country_code": "US",
            "telephone_number": "563-875-0006",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "104 N Walnut St",
            "address_purpose": "LOCATION",
            "city": "West Union",
            "state": "IA",
            "postal_code": "521751418",
            "country_code": "US",
            "telephone_number": "563-422-6085",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VOELKER",
        "first_name": "TRISTAN",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-06-05",
        "last_updated": "2026-06-05",
        "certification_date": "2026-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "IA",
            "license": "139039",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Daniel James Shannon, R.PH.
• Melissa M Simon, DO
• Sarah Julia Simpson, ARNP- FNP-BC
• The Dubuque Visiting Nurse Association (VNA - Clayton County Lead Program)
• David P Tinker, DO
• Woodland Eye Clinic, PC (Woodland Eye Clinic of Elkader)
• Kenneth E. Zichal, M.D

• Optometrist in Elkader, IA
• Providers in Elkader, IA by specialty
• Optometrist in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.