NPPES file of Aug 9, 2026

Mary Kristin Seymour, MSN, RN, APRN-BC

Clinical Nurse Specialist · Saint Louis, MO

Mary Kristin Seymour, MSN, RN, APRN-BC is a clinical nurse specialist with a practice address in Saint Louis, Missouri, and NPI 1083127344, issued on Nov 8, 2017. Check the license (Missouri 155981, as entered in NPPES) with the Missouri board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1083127344
Name
Mary Kristin Seymour
Credential
MSN, RN, APRN-BC
Primary taxonomy
Clinical Nurse Specialist 364S00000X
License number
155981 MO
Self-reported in NPPES; status is on the state search
Practice location
8515 Delmar Blvd Ste 230, Saint Louis, MO 63124
Phone
(314) 307-7305
Enumerated
Nov 8, 2017
Record last updated
Jun 11, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mary Kristin Seymour in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 155981    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
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Clinical Nurse Specialist providers in Missouri

There are 33 clinical nurse specialist records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 33 in Missouri → Every provider in Saint Louis →

Other clinical nurse specialist records in Missouri

  1. Susan Akins, MSN RN BC AP MHCNSSaint Louis, MO1790767721
  2. Ellen Albers, CNSSaint Louis, MO1649298332
  3. Sigrid Anderson, CLINICAL NURSE SPECSaint Louis, MO1841231370
  4. Bonnie Blevins, R.N.Branson, MO1992894331
  5. Christine Brown, DNP, APRN, AGCNS-BCSaint Louis, MO1801671789
  6. Amanda Caravelli, APRN - CNSSaint Louis, MO1417784430
  7. Caleb CoulterJoplin, MO1124979679
  8. Evelyn Dean, RN, ACNS-BCKansas City, MO1306826383
  9. Alyssa Ferri, MSN, APRN, AGCNS-BCMarshall, MO1477924876
  10. Janelle Holthaus, MSN, APRN, AGCNS-BCSaint Louis, MO1760212732

Common questions

What is Mary Kristin Seymour, MSN, RN, APRN-BC's NPI number?

Mary Kristin Seymour, MSN, RN, APRN-BC's National Provider Identifier (NPI) is 1083127344, issued on Nov 8, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Mary Kristin Seymour, MSN, RN, APRN-BC located?

The NPPES record lists a practice address at 8515 Delmar Blvd Ste 230, Saint Louis, MO, 63124. Phone: (314) 307-7305. Providers update this record themselves, so call before visiting.

How can I verify Mary Kristin Seymour, MSN, RN, APRN-BC's license?

NPPES lists Missouri license number 155981, as entered by the provider. Search the Missouri 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. 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.