Individual provider Active NPI

John David Duncan, PHARM.D.

  • Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
  • Knoxville, TN
National Provider Identifier
1619014032
Registry record updated May 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistTaxonomy code 1835P0018X
License
10078 Issued in TN
Practice address
4918 Kingston Pike
Knoxville, TN 37919-5111
Phone
(865) 588-8013
Fax
(865) 584-5947
NPI assigned
Feb 1, 2007
Last updated
May 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X 10078 TN Primary

Addresses

Primary practice location

4918 Kingston Pike
Knoxville, TN 37919-5111

Mailing address

1517 Duncan Rd
Knoxville, TN 37919-8632
Phone (865) 588-8622

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

NPI Registry JSON

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

{
    "created_epoch": "1170288000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778630400000",
    "number": "1619014032",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1517 DUNCAN RD",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379198632",
            "telephone_number": "865-588-8622"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4918 KINGSTON PIKE",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379195111",
            "telephone_number": "865-588-8013",
            "fax_number": "865-584-5947"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUNCAN",
        "first_name": "JOHN",
        "middle_name": "DAVID",
        "name_prefix": "Dr.",
        "credential": "PHARM.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-01",
        "last_updated": "2026-05-13",
        "certification_date": "2026-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1835P0018X",
            "taxonomy_group": "",
            "desc": "Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist",
            "state": "TN",
            "license": "10078",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Knoxville, TN

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 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.