Katherine Flynn, PMHNP-BC
NPI 1639654171 · Psychiatric/Mental Health Nurse Practitioner · Brookhaven, MS
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Flynn, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Brookhaven, MS (NPI 1639654171).
Provider details
- NPI number
- 1639654171
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 902967 (MS)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Buspirone Hcl | 53 |
| Bupropion Hclbrand: Bupropion Xl | 33 |
| Duloxetine Hcl | 32 |
| Trazodone Hcl | 31 |
| Escitalopram Oxalate | 20 |
| Desvenlafaxine Succinatebrand: Desvenlafaxine Succinate Er | 19 |
| Sertraline Hcl | 19 |
| Quetiapine Fumaratebrand: Quetiapine Fumarate Er | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$347 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-10-01
- Last updated
- 2018-10-25
Frequently asked questions
- What is Katherine Flynn's NPI number?
- Katherine Flynn's National Provider Identifier (NPI) is 1639654171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Flynn's specialty?
- Katherine Flynn is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Flynn located?
- Katherine Flynn's practice location on file with NPPES is 439 N Jackson St, Brookhaven, MS 39601-2952.
- What is Katherine Flynn's phone number?
- The practice phone number listed in the NPPES registry for Katherine Flynn is (601) 835-9499.
- Does Katherine Flynn accept Medicare?
- Katherine Flynn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Flynn's NPI active?
- Yes — Katherine Flynn's NPI (1639654171) is active in the NPPES registry as of the last update on 2018-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.