KAREN J OCONNELL MD
NPI 1699846055
Pediatrics - Pediatric Emergency Medicine in Washington, DC
About Karen J Oconnell Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN J OCONNELL MD (NPI 1699846055) is an individual pediatric emergency medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD035560) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Eastern Virginia Medical School (1999).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Karen J Oconnell Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Karen Oconnell reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 clinicians in this Medicare group
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Reading, PA 19608
- Reassigned Medicare billing, Pennsylvania enrollment
- 479 clinicians in this Medicare group
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Childrens Health Care Associates Inc
- 1,225 clinicians in this Medicare group
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- 235 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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Oconnell's NPI number?
The NPI number for Karen Oconnell is 1699846055. It was assigned to this individual provider in the NPPES registry on November 9, 2006.
Where is Karen Oconnell located?
Karen Oconnell practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 884-5000.
What is Karen Oconnell's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Karen Oconnell enrolled in Medicare?
Yes. Karen Oconnell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Karen Oconnell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Oconnell reassigns Medicare benefits to 5 organizations: Children's Hospital (Washington, DC), Johns Hopkins University (Bethesda, MD), Stc Pediatrics LLC (Reading, PA), Children's Health Care Associates (Philadelphia, PA) and Physicians Medical Associates New York PC (Poughkeepsie, NY). 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 Karen Oconnell'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 Karen Oconnell was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Karen J Oconnell, MD · NPI 1699846055
Pediatric Emergency Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since November 9, 2006.
## Identity
- **NPI:** 1699846055 (Entity type: Individual)
- **Enumerated:** November 9, 2006
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** MD035560 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 MICHIGAN AVE NW, Washington, DC 20010-2978
- **Phone:** (202) 884-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Children's Hospital (NPI 1780800128, Washington, DC); Johns Hopkins University (NPI 1578569240, Bethesda, MD); Stc Pediatrics LLC (NPI 1225755952, Reading, PA); Children's Health Care Associates (NPI 1619062668, Philadelphia, PA); Physicians Medical Associates New York PC (NPI 1487409702, Poughkeepsie, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Eastern Virginia Medical School, class of 1999
## Record status
- **NPPES last updated:** May 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1699846055) · Data from the CMS NPPES public registry.