MARGARET KNIGHT C.R.N.P.
NPI 1144261124
Nurse Practitioner - Pediatrics in Baltimore, MD
About Margaret Knight C.r.n.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET KNIGHT C.R.N.P. (NPI 1144261124) is an individual pediatrics provider in Baltimore, Maryland, licensed in Maryland (R111998) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margaret Knight C.r.n.p. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Margaret Knight reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- 35 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 21201 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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Margaret Knight's NPI number?
The NPI number for Margaret Knight is 1144261124. It was assigned to this individual provider in the NPPES registry on June 9, 2006.
Where is Margaret Knight located?
Margaret Knight practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 706-7373.
What is Margaret Knight's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Margaret Knight enrolled in Medicare?
Yes. Margaret Knight is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Knight's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Knight reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Key Point Health Services, Inc. (Baltimore, MD). 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 Margaret Knight'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 Margaret Knight was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Margaret Knight, C.R.N.P. · NPI 1144261124
Pediatrics physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 9, 2006.
## Identity
- **NPI:** 1144261124 (Entity type: Individual)
- **Enumerated:** June 9, 2006
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** R111998 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 706-7373 · **Fax:** (410) 328-7305
## 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): Johns Hopkins University (NPI 1295731966, Baltimore, MD); Key Point Health Services, Inc. (NPI 1235140708, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 17, 2018
---
Source: [NPI Profile](https://npiprofile.com/npi/1144261124) · Data from the CMS NPPES public registry.