Margaret Janssen, M.D.
Anatomic Pathology & Clinical Pathology Physician · Joplin, MO
Margaret Janssen, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Joplin, Missouri, and NPI 1790769305, issued on Dec 6, 2005. Check the license (Missouri R7E27, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margaret Janssen
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- R7E27 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1801 W 32ND St Bldg B, Joplin, MO 64804
- Phone
- (417) 623-6330
- Enumerated
- Dec 6, 2005
- Entity
- Type 1 · individual
Also registered at 1801 W 32ND St Bldg B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathrina Alexander, MDAnatomic Pathology & Clinical Pathology Physician1053520106
- Michael Hurly, M.D.Anatomic Pathology & Clinical Pathology Physician1417931023
- Craig Patterson, M.D.Anatomic Pathology & Clinical Pathology Physician1396729901
Verify Margaret Janssen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R7E27Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Anatomic Pathology & Clinical Pathology Physician providers in Missouri
There are 348 anatomic pathology & clinical pathology physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other anatomic pathology & clinical pathology physician records in Missouri
- Heba Abdelal, MDSaint Louis, MO1033633383
- Eman Abdelgadir, MBBSSaint Louis, MO1750270575
- Edward Adelstein, M.D.Columbia, MO1790796142
- Ashima Agarwal, M.D.Saint Louis, MO1114171915
- Parveen Ahmed, MDSaint Louis, MO1780728337
- Olaronke Akintola-Ogunremi, M.D.Saint Louis, MO1578545612
- Kathrina Alexander, MDJoplin, MO1053520106
- Erum AlhumoodSaint Louis, MO1376907824
- Mithulya Amboo Mahentheran, MDKansas City, MO1912880352
- Timothy Amukele, MDSaint Louis, MO1871503276
Common questions
What is Margaret Janssen, M.D.'s NPI number?
Margaret Janssen, M.D.'s National Provider Identifier (NPI) is 1790769305, issued on Dec 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Janssen, M.D. located?
The NPPES record lists a practice address at 1801 W 32ND St Bldg B, Joplin, MO, 64804. Phone: (417) 623-6330. Providers update this record themselves, so call before visiting.
How can I verify Margaret Janssen, M.D.'s license?
NPPES lists Missouri license number R7E27, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.
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 27, 2026.