DR. CATHERINE BREE JOHNSTON
NPI 1396779534
Internal Medicine - Hospice and Palliative Medicine in Mount Vernon, WA
About Dr. Catherine Bree Johnston NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHERINE BREE JOHNSTON (NPI 1396779534) is an individual hospice and palliative medicine provider in Mount Vernon, Washington, licensed in Washington (MD60229218) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and maintains a secondary practice location in Mount Vernon.
NPPES Registry Identity
Specialties & Licenses 3
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
Dr. Catherine Bree Johnston 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 Reassignment
Medicare enrollment records show Catherine Johnston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mount Vernon, WA 98274
- Reassigned Medicare billing, Washington enrollment
- 463 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Skagit Valley Hospital
Acute Care Hospitals · Mount Vernon, WAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
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 Catherine Johnston's NPI number?
The NPI number for Catherine Johnston is 1396779534. It was assigned to this individual provider in the NPPES registry on July 11, 2006. The provider is also known as Bree Johnston M.D. , M.P.H.
Where is Catherine Johnston located?
Catherine Johnston practices at 1415 E Kincaid St, Mount Vernon, WA 98274. The listed phone number is (360) 424-4111.
What is Catherine Johnston's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.
Is Catherine Johnston enrolled in Medicare?
Yes. Catherine Johnston 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 organization bills Medicare for Catherine Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Johnston reassigns Medicare benefits to Public Hospital Dist No 1 Skagit (Mount Vernon, WA). 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 Catherine Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Johnston accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Catherine Johnston 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 Catherine Johnston affiliated with any hospitals?
According to CMS data, Catherine Johnston is affiliated with Skagit Valley Hospital.
When was this NPI record last updated?
The NPPES record for Catherine Johnston was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.
# Dr. Catherine Bree Johnston · NPI 1396779534
Hospice and Palliative Medicine physician in Mount Vernon, Washington. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1396779534 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Internal Medicine - Hospice and Palliative Medicine · taxonomy 207RH0002X
- **State license:** MD60229218 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1415 E KINCAID ST, Mount Vernon, WA 98274-4126
- **Phone:** (360) 424-4111
## 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:** Public Hospital Dist No 1 Skagit (NPI 1023332749, Mount Vernon, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** October 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1396779534) · Data from the CMS NPPES public registry.