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MRS. KATHARINE DOUGLAS GUEST PMHNP-BC
NPI 1134056617
Nurse Practitioner - Psychiatric/Mental Health in Leland, MS

Active since May 07, 2026PECOS Enrolled
201 BAKER BLVD, LELAND, MS 38756(662) 686-4121 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Katharine Douglas Guest Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. KATHARINE DOUGLAS GUEST PMHNP-BC (NPI 1134056617) is an individual psychiatric/mental health provider in Leland, Mississippi, licensed in Mississippi (908393) and active in the NPI registry since May 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2026).

NPPES Registry Identity

NPI1134056617
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMRS. KATHARINE DOUGLAS GUESTCredential: PMHNP-BC
Location Address201 BAKER BLVDLeland, MS 38756-3401
Mailing Address201 Baker BlvdLeland, MS 38756-3401 · (662) 686-4121
Phone(662) 686-4121
Sole ProprietorNo
Medical School CMSOtherGraduated 2026
Enumeration DateMay 7, 2026
NPPES CertifiedMay 7, 2026
✔ NPI 1134056617 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MS · 908393
201 BAKER BLVD, Leland, MS 38756
Open in Google Maps ↗

Other Names 1

Other Name (5)Mrs. Katharine Elizabeth Douglas

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Katharine Douglas Guest Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2365915246
PECOS Enrollment IDI20260623000456
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Katharine Guest reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Indianola Clinic, LLC
Same address
Federally Qualified Health Center (FQHC)
201 BAKER BLVD
Leland, MS 38756
  • Reassigned Medicare billing, Mississippi enrollment
  • 13 clinicians in this Medicare group
NPI 1679673917 (662) 686-4121

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38756 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$80.50 typical visit price
range $51.65 – $159.18
Typical copayment $20.12 (range $12.91 – $39.79)
Most-billed visit code 99203
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TASHIRI WHEELER P-LPC, NCC
Counselor (Mental Health)
201 BAKER BLVD
LELAND, MS 38756
Washington County (662) 686-4121
HEATHER LLOYD CFNP
Nurse Practitioner (Family)
201 BAKER BLVD
LELAND, MS 38756
Washington County (662) 686-4121
CARRIE WHITT CCC-SLP
Speech-Language Pathologist
201 BAKER BLVD
LELAND, MS 38756
Washington County (662) 686-4121
DELTA HEALTH ALLIANCE
Clinic/Center
201 BAKER BLVD
LELAND, MS 38756
Washington County (662) 686-4121
LEERIN D SIMPSON TRIPLETT SLP
Speech-Language Pathologist
201 BAKER BLVD
LELAND, MS 38756
Washington County (662) 686-4121
FELICIA R WALKER SLP
Speech-Language Pathologist
201 BAKER BLVD
LELAND, MS 38756
Washington County (662) 686-4121
SHEENA BROWN LPC
Counselor (Professional)
201 BAKER BLVD
LELAND, MS 38756
Washington County (662) 686-4121
NASH BURNSIDE COTA
Occupational Therapy Assistant
201 BAKER BLVD
LELAND, MS 38756
Washington County (662) 686-4121

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katharine Guest's NPI number?

The NPI number for Katharine Guest is 1134056617. It was assigned to this individual provider in the NPPES registry on May 7, 2026. The provider is also known as Mrs. Katharine Elizabeth Douglas.

Where is Katharine Guest located?

Katharine Guest practices at 201 Baker Blvd, Leland, MS 38756. The listed phone number is (662) 686-4121.

What is Katharine Guest's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Katharine Guest enrolled in Medicare?

Yes. Katharine Guest is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katharine Guest's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Guest reassigns Medicare benefits to Indianola Clinic, LLC (Leland, MS). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katharine Guest's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katharine Guest was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.