Individual provider Active NPI

Katharine Douglas Guest, PMHNP-BC

  • Psychiatric/Mental Health Nurse Practitioner
  • Leland, MS
National Provider Identifier
1134056617
Registry record updated May 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
908393 Issued in MS
Practice address
201 Baker Blvd
Leland, MS 38756-3401
Phone
(662) 686-4121
NPI assigned
May 7, 2026
Last updated
May 7, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 908393 MS Primary

Addresses

Primary practice location

201 Baker Blvd
Leland, MS 38756-3401

Mailing address

201 Baker Blvd
Leland, MS 38756-3401
Phone (662) 686-4121

Other names 1

  • Mrs. Katharine Elizabeth Douglas Other name

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: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260623000456 MS Practitioner - Nurse Practitioner 2365915246 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2026
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

201 Baker Blvd
Leland, MS 38756-3401

509 N Deer Creek Dr W
Leland, MS 38756-2315

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
908393MSMDPsychiatric/Mental Health Nurse Practitioner

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1778112000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1134056617",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "201 BAKER BLVD",
            "city": "LELAND",
            "state": "MS",
            "postal_code": "387563401",
            "telephone_number": "662-686-4121"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 BAKER BLVD",
            "city": "LELAND",
            "state": "MS",
            "postal_code": "387563401",
            "telephone_number": "662-686-4121"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUEST",
        "first_name": "KATHARINE",
        "middle_name": "DOUGLAS",
        "name_prefix": "Mrs.",
        "credential": "PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-05-07",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MS",
            "license": "908393",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATHARINE",
            "last_name": "DOUGLAS",
            "middle_name": "ELIZABETH",
            "prefix": "MRS.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Leland, MS

Sources for this page

Verify at the official NPI Registry.