Registry data as of Aug 27, 2026

Marilyn Janzen, PH.D.,A.R.N.P.

Adult Psychiatric/Mental Health Clinical Nurse Specialist · Joplin, MO

Marilyn Janzen, PH.D.,A.R.N.P. is an adult psychiatric/mental health clinical nurse specialist with a practice address in Joplin, Missouri, and NPI 1437169166, issued on Aug 8, 2006. Check the license (Missouri 056840, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437169166
Name
Marilyn Janzen
Credential
PH.D.,A.R.N.P.
Primary taxonomy
Adult Psychiatric/Mental Health Clinical Nurse Specialist 364SP0809X
License numbers
056840 MO
R686398 MN
Self-reported in NPPES; status is on the state search
Practice location
921 E 34TH St, Joplin, MO 64804
Phone
(417) 347-7065
Enumerated
Aug 8, 2006
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 Marilyn Janzen 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 056840    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 Missouri 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.

Adult Psychiatric/Mental Health Clinical Nurse Specialist providers in Missouri

There are 22 adult psychiatric/mental health clinical nurse specialist records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 22 in Missouri → Every provider in Joplin →

Other adult psychiatric/mental health clinical nurse specialist records in Missouri

  1. Sylvia Adams, MSN, RN, APMH/CNSBridgeton, MO1508158791
  2. Jeffrey Boatman, MSN, RNSaint Louis, MO1265570592
  3. Sherry Doney, PMHCNS-BCSaint Louis, MO1982634168
  4. Patricia Dotson, APRN, RNSaint Louis, MO1356589709
  5. Donna Graham, RN, MSN, C-AP/MHCNSSaint Louis, MO1669462933
  6. Carolyn Greening, CNSHannibal, MO1508885187
  7. Shari Helbig, APRNSaint Louis, MO1689967721
  8. Linda Huber, PMHCNS-BCKansas City, MO1619268703
  9. Lora Hughes, APRN,BC PMHCNSSaint Louis, MO1700012671
  10. Ronda Keeney, PMHCNS-BXSaint Louis, MO1972759231

Common questions

What is Marilyn Janzen, PH.D.,A.R.N.P.'s NPI number?

Marilyn Janzen, PH.D.,A.R.N.P.'s National Provider Identifier (NPI) is 1437169166, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marilyn Janzen, PH.D.,A.R.N.P. located?

The NPPES record lists a practice address at 921 E 34TH St, Joplin, MO, 64804. Phone: (417) 347-7065. Providers update this record themselves, so call before visiting.

How can I verify Marilyn Janzen, PH.D.,A.R.N.P.'s license?

NPPES lists Missouri license number 056840, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Built from the named public files by PlainDoctor's data pipeline (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) 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 27, 2026.