DANA IOANA IONESCU M. D.
NPI 1386960540
Hospitalist in Federal Way, WA
About Dana Ioana Ionescu M. D. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANA IOANA IONESCU M. D. (NPI 1386960540) is an individual hospitalist provider in Federal Way, Washington, licensed in Washington (MD60281974) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Virginia Mason Medical Center, and maintains a secondary practice location in Burien.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 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 and accepts Medicare assignment
Dana Ioana Ionescu M. D. 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
2Medicare enrollment records show Dana Ionescu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 1,526 clinicians in this Medicare group
Auburn, WA 98001
- Reassigned Medicare billing, Washington enrollment
- 915 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Virginia Mason Medical Center
Acute Care Hospitals · Seattle, WASt Francis Community Hospital
Acute Care Hospitals · Federal Way, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98003 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Dana Ionescu's NPI number?
The NPI number for Dana Ionescu is 1386960540. It was assigned to this individual provider in the NPPES registry on April 13, 2010. The provider is also known as Dana Ioana Marcu M. D..
Where is Dana Ionescu located?
Dana Ionescu practices at 34515 9th Ave S, Federal Way, WA 98003. The listed phone number is (253) 426-6341.
What is Dana Ionescu's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Dana Ionescu enrolled in Medicare?
Yes. Dana Ionescu 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 Dana Ionescu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dana Ionescu reassigns Medicare benefits to 2 organizations: Franciscan Medical Group (Tacoma, WA) and South Sound Inpatient Physicians PLLC (Auburn, WA). 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 Dana Ionescu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dana Ionescu accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Dana Ionescu 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.
Is Dana Ionescu affiliated with any hospitals?
According to CMS data, Dana Ionescu is affiliated with Virginia Mason Medical Center and St Francis Community Hospital.
When was this NPI record last updated?
The NPPES record for Dana Ionescu was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dana Ioana Ionescu, M. D. · NPI 1386960540
Hospitalist physician in Federal Way, Washington. Individual provider, active in the CMS NPPES registry since April 13, 2010.
## Identity
- **NPI:** 1386960540 (Entity type: Individual)
- **Enumerated:** April 13, 2010
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD60281974 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 34515 9TH AVE S, Federal Way, WA 98003-6761
- **Phone:** (253) 426-6341 · **Fax:** (253) 426-6344
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Franciscan Medical Group (NPI 1366539421, Tacoma, WA); South Sound Inpatient Physicians PLLC (NPI 1215104443, Auburn, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** November 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1386960540) · Data from the CMS NPPES public registry.