NPPES file of Aug 9, 2026

Kathryn Armstrong, FNP

Family Nurse Practitioner · Louisville, MS

Kathryn Armstrong, FNP is a family nurse practitioner with a practice address in Louisville, Mississippi, and NPI 1700255916, issued on Sep 17, 2015. Check the license (Mississippi R897736, as entered in NPPES) with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700255916
Name
Kathryn Armstrong
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
R897736 MS
0024172925 AL
Self-reported in NPPES; status is on the state search
Practice location
106 W Main St, Louisville, MS 39339
Phone
(662) 446-1972
Enumerated
Sep 17, 2015
Record last updated
Apr 12, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(662) 446-1039
Medicare enrollment
Enrolled (PECOS I20180926002181); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 106 W Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kelli Chunn, ACNPAdult Health Nurse Practitioner1942287867
  2. Ashley Davis, FNPFamily Nurse Practitioner1588991731
  3. Emily Perkins, F.N.P.Family Nurse Practitioner1700019478

Verify Kathryn Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
    Search for license R897736
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Mississippi license search

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4.4 times the Medicare Part D claims of the average family nurse practitioner in 2024

5,772 Medicare Part D claims for 483 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 12 claims were for opioids.

  1. Kathryn Armstrong5,772
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium469 claims
  2. Amlodipine Besylate284 claims
  3. Levothyroxine Sodium213 claims
  4. Metoprolol Succinate169 claims
  5. Omeprazole158 claims
  6. Lisinopril141 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Bon Secours Memorial Regional Medical Center LLCMechanicsville, VA
  2. Chesapeake Hospital LLCKilmarnock, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

15 family nurse practitioner records list a practice address in Louisville

They are 15 of the 128 NPPES records with a practice address in Louisville, and 3,798 family nurse practitioner records in Mississippi.

Other family nurse practitioner records in Mississippi

  1. Sarah Abernathy, NPJackson, MS1578580528
  2. Whitney Abraham, FNP-CColumbus, MS1316319353
  3. Brian AdamsColumbus, MS1154796365
  4. Carla AdamsUnion, MS1649992447
  5. Jody Adams, CFNPClinton, MS1780652362
  6. Rebecca Adams, APRNJackson, MS1205206760
  7. Dorothy AdcockJackson, MS1851841548
  8. Cody AdkinsUtica, MS1134908593
  9. Sonya Adkins, NPNew Albany, MS1376019471
  10. Jamie Agent, NP-CMeridian, MS1245889807

Common questions

What is Kathryn Armstrong, FNP's NPI number?

Kathryn Armstrong, FNP's National Provider Identifier (NPI) is 1700255916, issued on Sep 17, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Armstrong, FNP located?

The NPPES record lists a practice address at 106 W Main St, Louisville, MS, 39339. Phone: (662) 446-1972. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Armstrong, FNP's license?

NPPES lists Mississippi license number R897736, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.

How much does Kathryn Armstrong, FNP prescribe under Medicare Part D?

In 2024, Kathryn Armstrong, FNP had 5,772 Medicare Part D claims for 483 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.