MRS. MICHELLE MARIE PAPACHRISANTHOU CPNP
NPI 1225019664
Nurse Practitioner - Pediatrics in Saint Louis, MO
About Mrs. Michelle Marie Papachrisanthou Cpnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MICHELLE MARIE PAPACHRISANTHOU CPNP (NPI 1225019664) is an individual pediatrics provider in Saint Louis, Missouri, licensed in Illinois (209-000469) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Michelle Marie Papachrisanthou Cpnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Michelle Papachrisanthou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63117
- Reassigned Medicare billing, Missouri enrollment
- 741 clinicians in this Medicare group
Saint Louis, MO 63139
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Ssm Cardinal Glennon Children's Hospital
- 414 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Michelle Papachrisanthou's NPI number?
The NPI number for Michelle Papachrisanthou is 1225019664. It was assigned to this individual provider in the NPPES registry on November 11, 2005.
Where is Michelle Papachrisanthou located?
Michelle Papachrisanthou practices at 1 Childrens Pl, Saint Louis, MO 63110. The listed phone number is (314) 454-6000.
What is Michelle Papachrisanthou's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Michelle Papachrisanthou enrolled in Medicare?
Yes. Michelle Papachrisanthou is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michelle Papachrisanthou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Papachrisanthou reassigns Medicare benefits to 2 organizations: Ssm Health Care St. Louis (Saint Louis, MO) and Ssm Cardinal Glennon Childrens Hospital (Saint Louis, 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 Michelle Papachrisanthou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michelle Papachrisanthou was last updated on April 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mrs. Michelle Marie Papachrisanthou, CPNP · NPI 1225019664
Pediatrics physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since November 11, 2005.
## Identity
- **NPI:** 1225019664 (Entity type: Individual)
- **Enumerated:** November 11, 2005
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** 209-000469 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 CHILDRENS PL, Saint Louis, MO 63110-1002
- **Phone:** (314) 454-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Ssm Health Care St. Louis (NPI 1366400855, Saint Louis, MO); Ssm Cardinal Glennon Childrens Hospital (NPI 1073568226, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1225019664) · Data from the CMS NPPES public registry.