Individual provider Active NPI

David R Yowell, PH.D.

  • Psychologist
  • Hattiesburg, MS
National Provider Identifier
1235307018
Registry record updated Jul 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
47817 Issued in MS
Practice address
102 Medical Park Ste B
Hattiesburg, MS 39401-9080
Phone
(601) 261-1650
Fax
(601) 545-1740
NPI assigned
Feb 14, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 47817 MS Primary

Addresses

Primary practice location

102 Medical Park Ste B
Hattiesburg, MS 39401-9080

Mailing address

415 S 28TH Ave
Hattiesburg, MS 39401-7246
Phone (601) 261-5159

Other practice location 1

248 E Capitol St
840 Trust Mark Bldg
Jackson, MS 39201-2503
Phone (800) 632-6074

Other identifiers 1

IdentifierTypeStateIssuer
08339746MedicaidMS

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address dyowell68999@directpatientrecord.com Health Information Exchange (HIE)

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080415000485 MS Practitioner - Clinical Psychologist 6406934538 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hattiesburg Clinic PAGroup PAC ID 5193706794, 525 clinicians

Practice addresses (Care Compare)

415 S 28TH Ave
Hattiesburg, MS 39401-7246
Phone (601) 264-6000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
47817MSMDPsychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Hattiesburg Clinic, PA CurrentSince Dec 13, 2017 Accepting new patients
Hattiesburg Clinic PA CurrentSince Dec 13, 2017 Accepting new patients
Hattiesburg Clinic PA Psychologist Past Accepting new patients
State of Mississippi - University of Mississippi Medical Center PastSince Jun 2, 2024 Accepting new patients

Locations

415 S 28th Ave
Hattiesburg, MS 39401
Phone (601) 261-3606

908 S George Ave
Petal, MS 39465
Phone (601) 543-8772

Interoperability endpoints

  • Direct secure messaging: dyowell68999@directpatientrecord.com

Organizations & group practices 4

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": "1202947200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753747200000",
    "number": "1235307018",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "415 S 28TH AVE",
            "city": "HATTIESBURG",
            "state": "MS",
            "postal_code": "394017246",
            "telephone_number": "601-261-5159",
            "fax_number": "601-579-5240"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "102 MEDICAL PARK STE B",
            "city": "HATTIESBURG",
            "state": "MS",
            "postal_code": "394019080",
            "telephone_number": "601-261-1650",
            "fax_number": "601-545-1740"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "248 E Capitol St",
            "address_2": "840 Trust Mark Bldg",
            "address_purpose": "LOCATION",
            "city": "Jackson",
            "state": "MS",
            "postal_code": "392012503",
            "country_code": "US",
            "telephone_number": "800-632-6074",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YOWELL",
        "first_name": "DAVID",
        "middle_name": "R",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-02-14",
        "last_updated": "2025-07-29",
        "certification_date": "2025-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MS",
            "license": "47817",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "08339746",
            "state": "MS"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dyowell68999@directpatientrecord.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "102 Medical Park Ste B",
            "city": "Hattiesburg",
            "state": "MS",
            "country_code": "US",
            "postal_code": "394019080",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Hattiesburg, MS

Sources for this page

Verify at the official NPI Registry.