KAREN E BARB CRNP
NPI 1659363521
Nurse Practitioner - Pediatrics in Hagerstown, MD
About Karen E Barb Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN E BARB CRNP (NPI 1659363521) is an individual pediatrics provider in Hagerstown, Maryland, licensed in Maryland (R072268) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen E Barb Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Barb reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arlington, VA 22203
- Reassigned Medicare billing, Maryland enrollment
- 668 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 21740 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HAGERSTOWN, MD 21740
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 Karen Barb's NPI number?
The NPI number for Karen Barb is 1659363521. It was assigned to this individual provider in the NPPES registry on August 17, 2005.
Where is Karen Barb located?
Karen Barb practices at 1161 Omega Dr, Hagerstown, MD 21740. The listed phone number is (301) 393-2600.
What is Karen Barb's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Karen Barb enrolled in Medicare?
Yes. Karen Barb is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Barb's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Barb reassigns Medicare benefits to Privia Medical Group, LLC (Arlington, VA). 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 Karen Barb's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Barb accept?
Health plans from Oscar Health list Karen Barb 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.
When was this NPI record last updated?
The NPPES record for Karen Barb was last updated on February 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Karen E Barb, CRNP · NPI 1659363521
Pediatrics physician in Hagerstown, Maryland. Individual provider, active in the CMS NPPES registry since August 17, 2005.
## Identity
- **NPI:** 1659363521 (Entity type: Individual)
- **Enumerated:** August 17, 2005
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** R072268 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1161 OMEGA DR, Hagerstown, MD 21740-5574
- **Phone:** (301) 393-2600 · **Fax:** (301) 393-2614
## 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:** Privia Medical Group, LLC (NPI 1013042480, Arlington, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 15, 2013
- **Other identifiers:** Medicare UPIN R09083 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1659363521) · Data from the CMS NPPES public registry.