KARYN C LENOX CRNP
NPI 1437469632
Pediatrics - Pediatric Emergency Medicine in Baltimore, MD
About Karyn C Lenox Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARYN C LENOX CRNP (NPI 1437469632) is an individual pediatric emergency medicine provider in Baltimore, Maryland, licensed in Maryland (235406) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Towson.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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)
Karyn C Lenox Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karyn Lenox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21287
- 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.
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 21287
BALTIMORE, MD 21287
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 Karyn Lenox's NPI number?
The NPI number for Karyn Lenox is 1437469632. It was assigned to this individual provider in the NPPES registry on October 21, 2010. The provider is also known as Karyn Elizabeth Cherwinski Crnp.
Where is Karyn Lenox located?
Karyn Lenox practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.
What is Karyn Lenox's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Karyn Lenox enrolled in Medicare?
Yes. Karyn Lenox is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karyn Lenox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karyn Lenox 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 Karyn Lenox'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 Karyn Lenox was last updated on June 7, 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.
# Karyn C Lenox, CRNP · NPI 1437469632
Pediatric Emergency Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since October 21, 2010.
## Identity
- **NPI:** 1437469632 (Entity type: Individual)
- **Enumerated:** October 21, 2010
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** 235406 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ORLEANS ST, Baltimore, MD 21287-0010
- **Phone:** (410) 955-5000
## 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 1881694453, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1437469632) · Data from the CMS NPPES public registry.