NPPES file of Aug 9, 2026

Cassondra Dawn Simmoneau, NP

Nurse Practitioner · Springfield, MO

Cassondra Dawn Simmoneau, NP is a nurse practitioner with a practice address in Springfield, Missouri, and NPI 1003440215, issued on Feb 26, 2020. Check the license (Missouri 2019039975, as entered in NPPES) with the Missouri 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
1003440215
Name
Cassondra Dawn Simmoneau
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
2019039975 MO
Self-reported in NPPES; status is on the state search
Practice location
3800 S National Ave Ste 510, Springfield, MO 65807
Phone
(417) 875-3000
Enumerated
Feb 26, 2020
Record last updated
Apr 5, 2023
Medicaid ID
420081106 MO
Medicare enrollment
Enrolled (PECOS I20200407000264); 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 3800 S National Ave Ste 510

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

  1. Anees Afroze, M.DPulmonary Disease Physician1043352057
  2. Mitchell Ahrens, MDPulmonary Disease Physician1407967235
  3. Hafiza Sobia Arshad, M.D.Pulmonary Disease Physician1053667980
  4. Bryan Beck, MDCritical Care Medicine (Internal Medicine) Physician1760986467
  5. Brent Bergen, MDPulmonary Disease Physician1629070693
  6. Melanie Chisam, P.A.Medical Physician Assistant1225136542

Verify Cassondra Dawn Simmoneau 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 2019039975
    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.

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99% fewer Medicare Part D claims than the average nurse practitioner in 2024

13 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Cassondra Simmoneau13
  2. Specialty average1,109

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 one group practice

  1. Lester E Cox Medical CentersSpringfield, MO

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

Cassondra Dawn Simmoneau among 1,720 nurse practitioner records in Missouri

Cassondra Dawn Simmoneau, NP is one of 1,720 nurse practitioner records with a practice address in Missouri. 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 2020, is newer than 71% of them.

  • NPI issued2020 · 71% of these records are older, 24% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2019 · median 2017 among the 1,080 with a school on file
  • Record last updated2023 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

139 nurse practitioner records list a practice address in Springfield

They are 139 of the 6,403 NPPES records with a practice address in Springfield, and 1,720 nurse practitioner records in Missouri.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Stella Bird, FNPSpringfield, MO 658071467545921
  2. Maryann Blevins, NPSpringfield, MO 658071073610895
  3. Teresa Casey, APRNSpringfield, MO 658071932337219
  4. Susan Coonce, FNPSpringfield, MO 658071164494944
  5. Jason Daniels, FNPSpringfield, MO 658071578535357
  6. Michelle Dickens, FNPSpringfield, MO 658071861506610
  7. Angela Harden, NPSpringfield, MO 658071275634297
  8. Erin Hieb-Morgan, FNPSpringfield, MO 658071639140627

Common questions

What is Cassondra Dawn Simmoneau, NP's NPI number?

Cassondra Dawn Simmoneau, NP's National Provider Identifier (NPI) is 1003440215, issued on Feb 26, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Cassondra Dawn Simmoneau, NP located?

The NPPES record lists a practice address at 3800 S National Ave Ste 510, Springfield, MO, 65807. Phone: (417) 875-3000. Providers update this record themselves, so call before visiting.

How can I verify Cassondra Dawn Simmoneau, NP's license?

NPPES lists Missouri license number 2019039975, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Cassondra Dawn Simmoneau, NP prescribe under Medicare Part D?

In 2024, Cassondra Dawn Simmoneau, NP had 13 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. 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.