Individual provider Active NPI

Marlene Icay Callahan, PHARMD

  • Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
  • Providence, RI
National Provider Identifier
1659393619
Registry record updated Aug 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistTaxonomy code 1835P0018X
License
RPH03174 Issued in RI
Practice address
830 Chalkstone Ave
Providence, RI 02908-4734
Phone
(401) 273-7100
Fax
(401) 525-2564
NPI assigned
Jul 25, 2006
Last updated
Aug 5, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist 183500000X RPH03174 RI
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X RPH03174 RI Primary

Addresses

Primary practice location

830 Chalkstone Ave
Providence, RI 02908-4734

Mailing address

525 Iron Mine Hill Rd
North Smithfield, RI 02896-8157
Phone (401) 766-1728

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
RPH03174RIMDPharmacist

NPI Registry JSON

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

{
    "created_epoch": "1153785600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1659393619",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "525 IRON MINE HILL RD",
            "city": "NORTH SMITHFIELD",
            "state": "RI",
            "postal_code": "028968157",
            "telephone_number": "401-766-1728"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "830 CHALKSTONE AVE",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029084734",
            "telephone_number": "401-273-7100",
            "fax_number": "401-525-2564"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "MARLENE",
        "middle_name": "ICAY",
        "credential": "PHARMD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-25",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "RI",
            "license": "RPH03174",
            "primary": false
        },
        {
            "code": "1835P0018X",
            "taxonomy_group": "",
            "desc": "Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist",
            "state": "RI",
            "license": "RPH03174",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Providence, RI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.