NPPES file of Aug 9, 2026

Christopher Allen Marshall, AGNP

Gerontology Nurse Practitioner · Leavenworth, KS

Christopher Allen Marshall, AGNP is a gerontology nurse practitioner with a practice address in Leavenworth, Kansas, and NPI 1831058726, issued on Jan 17, 2026. Check the license (Kansas 53-84944-021, as entered in NPPES) with the Kansas board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1831058726
Name
Christopher Allen Marshall
Credential
AGNP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
53-84944-021 KS
Self-reported in NPPES; status is on the state search
Practice location
4109 Cades CV, Leavenworth, KS 66048
Phone
(913) 683-2172
Enumerated
Jan 17, 2026
Record last updated
Mar 17, 2026
Medicare enrollment
Enrolled (PECOS I20260401000139); 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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8 nearest gerontology nurse practitioner records → All 78 in Kansas → Look up another NPI →

Verify Christopher Allen Marshall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Kansas board licenses this profession
    Search for license 53-84944-021    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 Kansas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Complexcare Medical Group Midwest M PLLCBelton, MO

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

Christopher Allen Marshall among 78 gerontology nurse practitioner records in Kansas

Christopher Allen Marshall, AGNP is one of 78 gerontology nurse practitioner records with a practice address in Kansas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2026, is newer than 96% of them.

  • NPI issued2026 · 96% of these records are older, 0% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2024 · median 2020 among the 53 with a school on file
  • Record last updated2026 · 27% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Kansas

There are 78 gerontology nurse practitioner records in Kansas.

All 78 in Kansas → Every provider in Leavenworth → Gerontology Nurse Practitioner nationwide →

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Barbara Austin, APNPLeavenworth, KS 660481336651447
  2. William Buron, ANPLeavenworth, KS 660481013965862
  3. Cinda Ritchie, GNP-BCLeavenworth, KS 660481609218775
  4. Charis Grosdidier, APRNLawrence, KS 660441508236365
  5. Melissa Crownover, AGPCNPLinn Valley, KS 660401982383956
  6. Paige Budzinski, APRNOlathe, KS 660611407480130
  7. Elizabeth Byers, ARNPOlathe, KS 660611134663701
  8. Samantha Hart, APRNOttawa, KS 660671063044386

Common questions

What is Christopher Allen Marshall, AGNP's NPI number?

Christopher Allen Marshall, AGNP's National Provider Identifier (NPI) is 1831058726, issued on Jan 17, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Allen Marshall, AGNP located?

The NPPES record lists a practice address at 4109 Cades CV, Leavenworth, KS, 66048. Phone: (913) 683-2172. Providers update this record themselves, so call before visiting.

How can I verify Christopher Allen Marshall, AGNP's license?

NPPES lists Kansas license number 53-84944-021, as entered by the provider. Search the Kansas board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.