Rebecca Jon-Merrell Callahan, PHARM.D.

Primary specialty

Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistTaxonomy code 1835P0018X

License

48111 Issued in TN

Practice address

189 Brooklawn St
Farragut, TN 37934-2875

Phone

(865) 671-7920

NPI assigned

Jul 11, 2024

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Becca Jon-Merrell Callahan Other name

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": "1720656000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778371200000",
    "number": "1821835349",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3124 LINDEN AVE",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379144537",
            "telephone_number": "678-446-9742"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "189 BROOKLAWN ST",
            "city": "FARRAGUT",
            "state": "TN",
            "postal_code": "379342875",
            "telephone_number": "865-671-7920"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "REBECCA",
        "middle_name": "JON-MERRELL",
        "credential": "PHARM.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-07-11",
        "last_updated": "2026-05-10",
        "certification_date": "2026-05-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1835P0018X",
            "taxonomy_group": "",
            "desc": "Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist",
            "state": "TN",
            "license": "48111",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "BECCA",
            "last_name": "CALLAHAN",
            "middle_name": "JON-MERRELL",
            "credential": "PHARM.D.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Elizabeth Anne Brandon, P.T.
• Anna Marie Brenner
• Taylor Brooke Brown, PHARMD
• Ashley K Bruce, FNP
• James Kevin Buchanan, MD
• Quinn Callier
• Nicole Marie Campbell, FNP-BC
• James Carter, RPH
• Sharon Cathers, NP-C
• Jiaqi Chen

• Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Farragut, TN
• Providers in Farragut, TN by specialty
• Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 10, 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.