Dr. J. Brent Altfillisch, O.D. P.C.

Primary specialty

OptometristTaxonomy code 152W00000X

License

1537 Issued in IA

Legal business name

DR. J. BRENT ALTFILLISCH, O.D. P.C.

Practice address

224 E Main St
Ottumwa, IA 52501-2916

Phone

(641) 684-5463

Fax

(641) 684-5475

NPI assigned

Oct 3, 2005

Organization subpart

No

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

Authorized official

Name

Dr. John Brent Altfillisch, O.D.NPI 1154420172

Title

Optometrist

Phone

(641) 684-5463

Specialties & licenses 1

Addresses

Other names 1

• Optical Shoppe Other name

Medicare fee-for-service enrollment

Enrolled in IA2 enrollments

Enrollment records 2

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

Medicare medical equipment & supply locations

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• John Brent Altfillisch, OD

  • Optometrist
  • Ottumwa, IA
  • NPI 1154420172

  IA, Optometrist

  Medicare reassignment NPD Authorized official
• Mark Alan Altfillisch, OD

  • Optometrist
  • Ottumwa, IA
  • NPI 1093814014

  IA, Optometrist

  Medicare reassignment NPD

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

{
    "created_epoch": "1128297600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788307200000",
    "number": "1467449686",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "224 E MAIN ST",
            "city": "OTTUMWA",
            "state": "IA",
            "postal_code": "525012916",
            "telephone_number": "641-684-5463",
            "fax_number": "641-684-5475"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "224 E MAIN ST",
            "city": "OTTUMWA",
            "state": "IA",
            "postal_code": "525012916",
            "telephone_number": "641-684-5463",
            "fax_number": "641-684-5475"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DR. J. BRENT ALTFILLISCH, O.D. P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-10-03",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A",
        "authorized_official_last_name": "ALTFILLISCH",
        "authorized_official_first_name": "JOHN",
        "authorized_official_middle_name": "BRENT",
        "authorized_official_title_or_position": "OPTOMETRIST",
        "authorized_official_telephone_number": "641-684-5463",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "O.D."
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Optometrist",
            "state": "IA",
            "license": "1537",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Optical Shoppe",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Donald D Berg MD PC
• Dee Ann Dorsett, ARNP, NP-C
• Joseph Dennis Dougherty, DDS
• Dr Dennis M Gillespie
• Dr P O Swanson OD PC
• Cassandra Dunlavy, ARNP
• Holly Nicole Dunlavy, ARNP
• Dyer Dental, PLLC
• Jon Dyer, DDS
• Ear Nose Throat of Southeast Iowa, P.C.

• All providers in Ottumwa, IA
• Optometrist in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.