Individual provider Active NPI

Carolyn M McWilliams, RPH

  • Pharmacist
  • Malvern, PA
National Provider Identifier
1821380429
Registry record updated May 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PharmacistTaxonomy code 183500000X
License
RP440603 Issued in PA
Practice address
100 Maxis Dr
Malvern, PA 19355-1327
Phone
(484) 321-5656
Fax
(484) 321-5657
NPI assigned
May 15, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 19, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist 183500000X RP440603 PA Primary

Addresses

Primary practice location

100 Maxis Dr
Malvern, PA 19355-1327

Mailing address

9 Southwind LN
Downingtown, PA 19335-4060
Phone (484) 883-5226

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
Registered Pharmacist

State licenses

LicenseStateTypeSpecialty
RP440603PAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Rite Aid of Pennsylvania LLC Past Accepting new patients
Rite Aid of Pennsylvania LLC Past Accepting new patients

Organizations & group practices 2

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

NPI Registry JSON

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

{
    "created_epoch": "1305417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1821380429",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9 SOUTHWIND LN",
            "city": "DOWNINGTOWN",
            "state": "PA",
            "postal_code": "193354060",
            "telephone_number": "484-883-5226"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MAXIS DR",
            "city": "MALVERN",
            "state": "PA",
            "postal_code": "193551327",
            "telephone_number": "484-321-5656",
            "fax_number": "484-321-5657"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCWILLIAMS",
        "first_name": "CAROLYN",
        "middle_name": "M",
        "name_prefix": "Ms.",
        "credential": "RPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-05-15",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "PA",
            "license": "RP440603",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Malvern, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 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.