Melanie Elaine Janssen, MSN
Adult Health Nurse Practitioner · Chesterfield, MO
Melanie Elaine Janssen, MSN is an adult health nurse practitioner with a practice address in Chesterfield, Missouri, and NPI 1336614775, issued on Oct 12, 2018. Check the license (Missouri 2018029052, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melanie Elaine Janssen
- Credential
- MSN
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 2018029052 MO
Self-reported in NPPES; status is on the state search - Practice location
- 15740 S Outer 40 RD, Chesterfield, MO 63017
- Phone
- (636) 735-4268
- Enumerated
- Oct 12, 2018
- Record last updated
- May 14, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 794 in Missouri → Look up another NPI →
Also registered at 15740 S Outer 40 RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Melanie Elaine Janssen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2018029052Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
918 Medicare Part D claims for 415 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Losartan Potassium86 claims
- Amlodipine Besylate63 claims
- Paxlovid42 claims
- Cephalexin30 claims
- Nitrofurantoin Mono-Macro28 claims
- Atorvastatin Calcium24 claims
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.
Melanie Elaine Janssen among 794 adult health nurse practitioner records in Missouri
Melanie Elaine Janssen, MSN is one of 794 adult health nurse practitioner records with a practice address in Missouri. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 adult health nurse practitioner records list a practice address in Chesterfield
They are 43 of the 2,132 NPPES records with a practice address in Chesterfield, and 794 adult health nurse practitioner records in Missouri.
All 794 in Missouri → Every provider in Chesterfield → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Elizabeth Baker, NPChesterfield, MO 630171720310840
- Sarah Berra, ANP-BC,OCNChesterfield, MO 630171154650562
- Kimberly Brune Shrum, NP-CChesterfield, MO 630171760798508
- Cecile Calabio, ANPChesterfield, MO 630171275573966
- Cathy Coleman, ANPChesterfield, MO 630171205149366
- Gina Gerberding-Powley, ANP,MSN,RNChesterfield, MO 630171922103134
- Judith Jeglijewski, APRN, BC, MS, CDEChesterfield, MO 630171902830151
- Laurencia Klipfel, RN, APRN-BCChesterfield, MO 630171689607392
Common questions
What is Melanie Elaine Janssen, MSN's NPI number?
Melanie Elaine Janssen, MSN's National Provider Identifier (NPI) is 1336614775, issued on Oct 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Melanie Elaine Janssen, MSN located?
The NPPES record lists a practice address at 15740 S Outer 40 RD, Chesterfield, MO, 63017. Phone: (636) 735-4268. Providers update this record themselves, so call before visiting.
How can I verify Melanie Elaine Janssen, MSN's license?
NPPES lists Missouri license number 2018029052, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Melanie Elaine Janssen, MSN prescribe under Medicare Part D?
In 2024, Melanie Elaine Janssen, MSN had 918 Medicare Part D claims for 415 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.