Individual provider Active NPI

David Caldwell

  • Physician Assistant
  • Knoxville, TN
National Provider Identifier
1407495492
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA4582 Issued in TN
Practice address
1600 Accelerator Way Ste 200
Knoxville, TN 37920-3078
Phone
(865) 558-4400
Fax
(865) 546-9047
NPI assigned
Dec 23, 2019
Last updated
Jan 14, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA4582 TN Primary
Surgical Physician Assistant 363AS0400X NU

Addresses

Primary practice location

1600 Accelerator Way Ste 200
Knoxville, TN 37920-3078

Mailing address

8320 E Walker Springs LN Ste 200
Knoxville, TN 37923-3120
Phone (865) 769-4500

Other practice location 1

120 Hospital Dr Ste G20
Jefferson City, TN 37760-5284
Phone (865) 475-5103

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20211216002655 TN Practitioner - Physician Assistant 1557798774 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orthotennessee PCGroup PAC ID 3476453572, 152 clinicians

Practice addresses (Care Compare)

1600 Accelerator Way
Knoxville, TN 37920-3078

256 Fort Sanders W Blvd
Suite 200
Knoxville, TN 37922-3355
Phone (865) 558-4491

260 Fort Sanders W Blvd
Knoxville, TN 37922-3355
Phone (865) 558-4400

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA4582TNMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Orthotennessee, PC CurrentSince May 27, 2025 Accepting new patients
Orthotennessee, PC CurrentSince May 27, 2025 Accepting new patients
Orthotennessee, PC Past Accepting new patients
Knoxville Hma Physician Management, LLC Physician Assistant PastSince Jun 1, 2023 Accepting new patients
Orthotennessee, PC Past Accepting new patients

Locations

1855 Tanner Way
Ste 110
Harriman, TN 37748
Phone (865) 376-2775

11440 Parkside Dr
Ste 110
Knoxville, TN 37934
Phone (865) 218-9300

1422 Old Weisgarber Rd
Knoxville, TN 37909
Phone (865) 558-4480

1551 Lake Loudon Blvd
Knoxville, TN 37916
Phone (865) 475-4484

1600 Accelerator Way
Ste 200
Knoxville, TN 37920
Phone (865) 546-2663

260 Fort Sanders West Blvd
Knoxville, TN 37922
Phone (865) 769-4500

8320 E Walker Springs Ln
Ste 200
Knoxville, TN 37923

827 E Lamar Alexander Pkwy
Maryville, TN 37804
Phone (423) 984-0900

381 Kuhn Ln
Morristown, TN 37813
Phone (865) 475-4484

90 Vermont Ave
Ste 300
Oak Ridge, TN 37830
Phone (865) 481-2541

7750 Dannaher Dr
Powell, TN 37849
Phone (865) 512-1140

1130 Middle Creek Rd
Ste 270
Sevierville, TN 37862
Phone (865) 365-3074

Interoperability endpoints

  • Direct secure messaging: david.caldwell.p1@direct.orthotn.nextgenshare.com
  • FHIR API: https://api.platform.athenahealth.com/4694/brand/1/csg/1/fhir/r4

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.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1577059200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1407495492",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8320 E WALKER SPRINGS LN STE 200",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379233120",
            "telephone_number": "865-769-4500",
            "fax_number": "865-769-4501"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 ACCELERATOR WAY STE 200",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379203078",
            "telephone_number": "865-558-4400",
            "fax_number": "865-546-9047"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "120 Hospital Dr Ste G20",
            "address_purpose": "LOCATION",
            "city": "Jefferson City",
            "state": "TN",
            "postal_code": "377605284",
            "country_code": "US",
            "telephone_number": "865-475-5103",
            "fax_number": "865-475-5106",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CALDWELL",
        "first_name": "DAVID",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-12-23",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "TN",
            "license": "PA4582",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Knoxville, TN

Sources for this page

Verify at the official NPI Registry.