CHRISTINA FELLNER MSN, CPNP-AC
NPI 1700538436
Nurse Practitioner - Pediatrics, Critical Care in Baltimore, MD
About Christina Fellner Msn, Cpnp-ac NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINA FELLNER MSN, CPNP-AC (NPI 1700538436) is an individual pediatrics, critical care provider in Baltimore, Maryland, licensed in Maryland (R186072) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Christina Fellner Msn, Cpnp-ac is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Christina Fellner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21205
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Christina Fellner's NPI number?
The NPI number for Christina Fellner is 1700538436. It was assigned to this individual provider in the NPPES registry on January 24, 2022.
Where is Christina Fellner located?
Christina Fellner practices at 1800 Orleans St Ste 7325, Baltimore, MD 21287. The listed phone number is (410) 897-7206.
What is Christina Fellner's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, Critical Care, with taxonomy code 363LP0222X.
Is Christina Fellner enrolled in Medicare?
Yes. Christina Fellner is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Christina Fellner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Fellner reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Christina Fellner'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 Christina Fellner was last updated on December 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Christina Fellner, MSN, CPNP-AC · NPI 1700538436
Pediatrics, Critical Care physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since January 24, 2022.
## Identity
- **NPI:** 1700538436 (Entity type: Individual)
- **Enumerated:** January 24, 2022
- **Primary specialty:** Nurse Practitioner - Pediatrics, Critical Care · taxonomy 363LP0222X
- **State license:** R186072 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ORLEANS ST STE 7325, Baltimore, MD 21287-0010
- **Phone:** (410) 897-7206
## 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:** Johns Hopkins University (NPI 1033190442, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** December 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1700538436) · Data from the CMS NPPES public registry.