Brett L Geiger, PHARMD

Primary specialty

PharmacistTaxonomy code 183500000X

Practice address

820 South Damen Ave
Pharmacy Department (119)
Chicago, IL 60612

Phone

(312) 569-7931

Fax

(312) 569-8122

NPI assigned

Aug 18, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Pharmacy

State licenses

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

{
    "created_epoch": "1155859200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1104930049",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6438 N NEWGARD AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606265012"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "820 SOUTH DAMEN AVE",
            "address_2": "PHARMACY DEPARTMENT (119)",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "60612",
            "telephone_number": "312-569-7931",
            "fax_number": "312-569-8122"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEIGER",
        "first_name": "BRETT",
        "middle_name": "L",
        "name_prefix": "Mr.",
        "credential": "PHARMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-18",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "IL",
            "license": null,
            "primary": true
        },
        {
            "code": "1835P1200X",
            "taxonomy_group": "",
            "desc": "Pharmacist, Pharmacotherapy",
            "state": "IL",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kenneth Gehrke, DDS
• Patrick A. Gehrlich, LCSW
• Ralph Geiderman, O.D.
• Justin Alexander Geier
• Steven Patrick Geiermann, D.D.S.
• Jennifer Geiger, LPC
• Kelsey Geiger
• Michael Damon Geiger, RBT
• Catherine Geighes, D.T.
• Dori Geil, LCPC

• Pharmacist in Chicago, IL
• Providers in Chicago, IL by specialty
• Pharmacist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.