LEENA OWEN
NPI 1184272510
Emergency Medicine in Middle River, MD
About Leena Owen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEENA OWEN (NPI 1184272510) is an individual emergency medicine provider in Middle River, Maryland, licensed in Maryland (H97286) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Leena Owen 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
3Medicare enrollment records show Leena Owen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 clinicians in this Medicare group
Grass Valley, CA 95949
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Regents Of The University Of California
- 918 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21220 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MIDDLE RIVER, MD 21220
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 Leena Owen's NPI number?
The NPI number for Leena Owen is 1184272510. It was assigned to this individual provider in the NPPES registry on August 28, 2019.
Where is Leena Owen located?
Leena Owen practices at 6201 Greenleigh Ave, Middle River, MD 21220. The listed phone number is (410) 933-2704.
What is Leena Owen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Leena Owen enrolled in Medicare?
Yes. Leena Owen 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 Leena Owen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leena Owen reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Baltimore, MD), Regents Of The Univ Of Ca (Sacramento, CA) and Regents Of The University Of Ca (Grass Valley, CA). 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 Leena Owen'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 Leena Owen was last updated on August 29, 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.
# Leena Owen · NPI 1184272510
Emergency Medicine physician in Middle River, Maryland. Individual provider, active in the CMS NPPES registry since August 28, 2019.
## Identity
- **NPI:** 1184272510 (Entity type: Individual)
- **Enumerated:** August 28, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** H97286 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 6201 GREENLEIGH AVE, Middle River, MD 21220
- **Phone:** (410) 933-2704
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1275515546, Baltimore, MD); Regents Of The Univ Of Ca (NPI 1285068783, Sacramento, CA); Regents Of The University Of Ca (NPI 1194705731, Grass Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 29, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1184272510) · Data from the CMS NPPES public registry.