FREDERIC B JOSEPH MD
NPI 1609835214
Radiology - Vascular & Interventional Radiology in Seattle, WA
About Frederic B Joseph Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FREDERIC B JOSEPH MD (NPI 1609835214) is an individual vascular & interventional radiology provider in Seattle, Washington, licensed in Washington (MD00040376) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Spartanburg Medical Center, and maintains a secondary practice location in Minot.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 9
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
Frederic B Joseph 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
29Medicare enrollment records show Frederic Joseph reassigns Medicare billing to 29 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98125
- Reassigned Medicare billing, Washington and Alaska enrollments
- Also billed through NPI 1710927231 (Alaska)
- 142 clinicians in this Medicare group
Silverdale, WA 98383
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1356492953 (Washington)
- 208 clinicians in this Medicare group
Mount Vernon, WA 98274
- Reassigned Medicare billing, Alaska and Washington enrollments
- 40 clinicians in this Medicare group
Mount Vernon, WA 98274
- Reassigned Medicare billing, Alaska and Washington enrollments
- 40 clinicians in this Medicare group
Mount Vernon, WA 98273
- Reassigned Medicare billing, Alaska and Washington enrollments
- 40 clinicians in this Medicare group
Bellingham, WA 98229
- Reassigned Medicare billing, Alaska and Washington enrollments
- 46 clinicians in this Medicare group
Reno, NV 89503
- Reassigned Medicare billing, Washington enrollment
- 7 clinicians in this Medicare group
Williston, ND 58801
- Reassigned Medicare billing, North Dakota enrollment
- 339 clinicians in this Medicare group
Arcadia, CA 91006
- Reassigned Medicare billing, Washington enrollment
- 9 clinicians in this Medicare group
Kearney, NE 68847
- Reassigned Medicare billing, Washington enrollment
- 7 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 69
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spartanburg Medical Center
Acute Care Hospitals · Spartanburg, SCSkagit Valley Hospital
Acute Care Hospitals · Mount Vernon, WAIsland Hospital
Acute Care Hospitals · Anacortes, WAWhidbeyhealth Medical Center
Critical Access Hospitals · Coupeville, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98133 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
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98133
SEATTLE, WA 98133
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 Frederic Joseph's NPI number?
The NPI number for Frederic Joseph is 1609835214. It was assigned to this individual provider in the NPPES registry on March 22, 2006.
Where is Frederic Joseph located?
Frederic Joseph practices at 1550 N 115th Northwest Hospital, Seattle, WA 98133. The listed phone number is (206) 368-1744.
What is Frederic Joseph's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Frederic Joseph enrolled in Medicare?
Yes. Frederic Joseph 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 Frederic Joseph's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frederic Joseph reassigns Medicare benefits to 29 organizations: Whidbey Island Public Hospital District (Seattle, WA), Jefferson County Public Hospital District No 2 (Silverdale, WA), Skagit Radiology Inc P S (Mount Vernon, WA), Skagit Digital Imaging LLC (Mount Vernon, WA), North Star Medical Imaging PLLC (Mount Vernon, WA) and 24 more organizations, listed in the Medicare section above. 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 Frederic Joseph's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Frederic Joseph accept?
Health plans from Ambetter Health, Anthem Blue Cross and Blue Shield, Baylor Scott and White Health Plan, Blue Cross Blue Shield of North Dakota and Blue Cross and Blue Shield of Kansas City and 10 other insurers list Frederic Joseph 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 Frederic Joseph affiliated with any hospitals?
According to CMS data, Frederic Joseph is affiliated with Spartanburg Medical Center, Skagit Valley Hospital, Island Hospital and Whidbeyhealth Medical Center.
When was this NPI record last updated?
The NPPES record for Frederic Joseph was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Frederic B Joseph, MD · NPI 1609835214
Vascular & Interventional Radiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 22, 2006.
## Identity
- **NPI:** 1609835214 (Entity type: Individual)
- **Enumerated:** March 22, 2006
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** MD00040376 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1550 N 115TH, NORTHWEST HOSPITAL, Seattle, WA 98133
- **Phone:** (206) 368-1744 · **Fax:** (206) 368-1398
## 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:** 29 organizations under Medicare reassignment (form CMS-855R): Whidbey Island Public Hospital District (NPI 1508431727, Seattle, WA); Jefferson County Public Hospital District No 2 (NPI 1467664631, Silverdale, WA); Skagit Radiology Inc P S (NPI 1932218757, Mount Vernon, WA); Skagit Digital Imaging LLC (NPI 1043328636, Mount Vernon, WA); North Star Medical Imaging PLLC (NPI 1144489824, Mount Vernon, WA); and 24 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** June 10, 2026
- **Other identifiers:** Medicaid 7822109 (WA); Other WE4663; Other 0151260 (WA); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1609835214) · Data from the CMS NPPES public registry.