MELANIE ELAINE JANSSEN MSN
NPI 1336614775
Nurse Practitioner - Adult Health in Chesterfield, MO
About Melanie Elaine Janssen Msn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELANIE ELAINE JANSSEN MSN (NPI 1336614775) is an individual adult health provider in Chesterfield, Missouri, licensed in Missouri (2018029052) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Melanie Elaine Janssen Msn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Melanie Janssen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 263 clinicians in this Medicare group
Cuba, MO 65453
- Reassigned Medicare billing, Missouri enrollment
- 1,487 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63017 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHESTERFIELD, MO 63017
CHESTERFIELD, MO 63017
CHESTERFIELD, MO 63017
CHESTERFIELD, MO 63017
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Melanie Janssen's NPI number?
The NPI number for Melanie Janssen is 1336614775. It was assigned to this individual provider in the NPPES registry on October 12, 2018.
Where is Melanie Janssen located?
Melanie Janssen practices at 15740 S Outer 40 Rd, Chesterfield, MO 63017. The listed phone number is (636) 735-4268.
What is Melanie Janssen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Melanie Janssen enrolled in Medicare?
Yes. Melanie Janssen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Melanie Janssen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melanie Janssen reassigns Medicare benefits to 2 organizations: Mercy Aco Clinical Services Inc (Chesterfield, MO) and Mercy Clinic Springfield Communities (Cuba, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Melanie Janssen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melanie Janssen accept?
Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list Melanie Janssen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Melanie Janssen affiliated with any hospitals?
According to CMS data, Melanie Janssen is affiliated with Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Melanie Janssen was last updated on May 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Melanie Elaine Janssen, MSN · NPI 1336614775
Adult Health physician in Chesterfield, Missouri. Individual provider, active in the CMS NPPES registry since October 12, 2018.
## Identity
- **NPI:** 1336614775 (Entity type: Individual)
- **Enumerated:** October 12, 2018
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 2018029052 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 15740 S OUTER 40 RD, Chesterfield, MO 63017-2004
- **Phone:** (636) 735-4268
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Aco Clinical Services Inc (NPI 1063965093, Chesterfield, MO); Mercy Clinic Springfield Communities (NPI 1063541704, Cuba, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** May 14, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1336614775) · Data from the CMS NPPES public registry.