KATHERINE ROSS FLYNN PMHNP-BC
NPI 1639654171
Nurse Practitioner - Psychiatric/Mental Health in Brookhaven, MS
About Katherine Ross Flynn Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE ROSS FLYNN PMHNP-BC (NPI 1639654171) is an individual psychiatric/mental health provider in Brookhaven, Mississippi, licensed in Mississippi (902967) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Katherine Ross Flynn Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Katherine Flynn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brookhaven, MS 39601
- Reassigned Medicare billing, Mississippi enrollment
- 49 clinicians in this Medicare group
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 39601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Katherine Flynn's NPI number?
The NPI number for Katherine Flynn is 1639654171. It was assigned to this individual provider in the NPPES registry on October 1, 2018.
Where is Katherine Flynn located?
Katherine Flynn practices at 439 N Jackson St, Brookhaven, MS 39601. The listed phone number is (601) 835-9499.
What is Katherine Flynn's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Katherine Flynn enrolled in Medicare?
Yes. Katherine Flynn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Katherine Flynn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Flynn reassigns Medicare benefits to Kdmc Physician Clinics LLC (Brookhaven, 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 Katherine Flynn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Flynn accept?
Health plans from Cigna Healthcare, Molina Healthcare, Oscar Health Plan, Inc. and UnitedHealthcare list Katherine Flynn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Katherine Flynn was last updated on October 25, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.
# Katherine Ross Flynn, PMHNP-BC · NPI 1639654171
Psychiatric/Mental Health physician in Brookhaven, Mississippi. Individual provider, active in the CMS NPPES registry since October 1, 2018.
## Identity
- **NPI:** 1639654171 (Entity type: Individual)
- **Enumerated:** October 1, 2018
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 902967 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 439 N JACKSON ST, Brookhaven, MS 39601-2952
- **Phone:** (601) 835-9499
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kdmc Physician Clinics LLC (NPI 1861739161, Brookhaven, MS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** October 25, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1639654171) · Data from the CMS NPPES public registry.