NPIMap

Individual provider Active NPI

Kaylee Michele Buffington, PHARMD

  • Pharmacist
  • Mason City, IA
National Provider Identifier
1346897527
Registry record updated Aug 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PharmacistTaxonomy code 183500000X
License
23672 Issued in IA
Practice address
621 S Illinois Ave Ste 101
Mason City, IA 50401-5489
Phone
(641) 428-6940
Fax
(641) 428-6942
NPI assigned
Aug 21, 2019
Last updated
Aug 27, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 27, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist 183500000X 23672 IA Primary

Addresses

Primary practice location

621 S Illinois Ave Ste 101
Mason City, IA 50401-5489

Mailing address

1085 Briarstone Dr
Mason City, IA 50401-4639
Phone (641) 691-5510

Other practice location 1

98 10th St N
Northwood, IA 50459-1438
Phone (641) 324-2116

Other practice location 2

1410 6th Ave S Ste 200
Clear Lake, IA 50428-2606
Phone (641) 231-8900

Other practice location 3

115 Gilman St
Sheffield, IA 50475-5023
Phone (641) 892-4640

Other practice location 4

1010 4th St SW
Mason City, IA 50401-2857
Phone (641) 428-6100

Other practice location 5

910 N Eisenhower Ave
Mason City, IA 50401-1552
Phone (641) 428-5630

Other practice location 6

104 E Traer St
Greene, IA 50636-7762
Phone (641) 816-3013

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address Kaylee.Kacmarynski@mercyhealth.com Direct MercyOne North Iowa

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)
Not enrolled
Credentials
Doctor of Pharmacy

State licenses

LicenseStateTypeSpecialty
23672IAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Walgreen Co PastSince Aug 1, 2019 Accepting new patients
Mercy Health Services-Iowa Corp PastSince Nov 21, 2021 Accepting new patients
Walgreen Co PastSince Aug 1, 2019 Accepting new patients
Mercy Health Services-Iowa Corp Past Accepting new patients
Mercy Health Services-Iowa Corp Past Accepting new patients
Mercy Health Services-Iowa Corp. PastSince Nov 21, 2021 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: kaylee.kacmarynski@mercyhealth.com

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1566345600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1346897527",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1085 BRIARSTONE DR",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504014639",
            "telephone_number": "641-691-5510"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 S ILLINOIS AVE STE 101",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504015489",
            "telephone_number": "641-428-6940",
            "fax_number": "641-428-6942"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "98 10th St N",
            "address_purpose": "LOCATION",
            "city": "Northwood",
            "state": "IA",
            "postal_code": "504591438",
            "country_code": "US",
            "telephone_number": "641-324-2116",
            "fax_number": "641-324-1032",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1410 6th Ave S Ste 200",
            "address_purpose": "LOCATION",
            "city": "Clear Lake",
            "state": "IA",
            "postal_code": "504282606",
            "country_code": "US",
            "telephone_number": "641-231-8900",
            "fax_number": "641-231-8910",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "115 Gilman St",
            "address_purpose": "LOCATION",
            "city": "Sheffield",
            "state": "IA",
            "postal_code": "504755023",
            "country_code": "US",
            "telephone_number": "641-892-4640",
            "fax_number": "641-892-4745",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1010 4th St SW",
            "address_purpose": "LOCATION",
            "city": "Mason City",
            "state": "IA",
            "postal_code": "504012857",
            "country_code": "US",
            "telephone_number": "641-428-6100",
            "fax_number": "641-428-6107",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "910 N Eisenhower Ave",
            "address_purpose": "LOCATION",
            "city": "Mason City",
            "state": "IA",
            "postal_code": "504011552",
            "country_code": "US",
            "telephone_number": "641-428-5630",
            "fax_number": "641-428-5599",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "104 E Traer St",
            "address_purpose": "LOCATION",
            "city": "Greene",
            "state": "IA",
            "postal_code": "506367762",
            "country_code": "US",
            "telephone_number": "641-816-3013",
            "fax_number": "641-816-3015",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BUFFINGTON",
        "first_name": "KAYLEE",
        "middle_name": "MICHELE",
        "credential": "PHARMD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-08-21",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "IA",
            "license": "23672",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Kaylee.Kacmarynski@mercyhealth.com",
            "affiliation": "Y",
            "endpointDescription": "MercyOne North Iowa Direct Email Address",
            "affiliationName": "MercyOne North Iowa",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "621 S Illinois Ave Suite 101",
            "city": "Mason City",
            "state": "IA",
            "country_code": "US",
            "postal_code": "50401",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Mason City, IA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.