CATHERINE MARIE KOCAREK MD
NPI 1699851444
Internal Medicine in Kirkland, WA
About Catherine Marie Kocarek Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE MARIE KOCAREK MD (NPI 1699851444) is an individual internal medicine provider in Kirkland, Washington, licensed in Washington (MD00039338) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Ohio State University College Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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
Catherine Marie Kocarek 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 Reassignment
Medicare enrollment records show Catherine Kocarek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98034 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
KIRKLAND, WA 98034
KIRKLAND, WA 98034
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 Kocarek's NPI number?
The NPI number for Catherine Kocarek is 1699851444. It was assigned to this individual provider in the NPPES registry on October 27, 2006.
Where is Catherine Kocarek located?
Catherine Kocarek practices at 12040 NE 128th St Ms 105, Kirkland, WA 98034. The listed phone number is (425) 899-2560.
What is Catherine Kocarek's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Catherine Kocarek enrolled in Medicare?
Yes. Catherine Kocarek 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 Kocarek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Kocarek reassigns Medicare benefits to Kaiser Foundation Health Plan Of Washington (Seattle, 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 Kocarek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Kocarek accept?
Health plans from Providence Health Plan list Catherine Kocarek 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.
When was this NPI record last updated?
The NPPES record for Catherine Kocarek was last updated on April 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Catherine Marie Kocarek, MD · NPI 1699851444
Internal Medicine physician in Kirkland, Washington. Individual provider, active in the CMS NPPES registry since October 27, 2006.
## Identity
- **NPI:** 1699851444 (Entity type: Individual)
- **Enumerated:** October 27, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD00039338 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 12040 NE 128TH ST, MS 105, Kirkland, WA 98034-3013
- **Phone:** (425) 899-2560 · **Fax:** (425) 899-2079
## 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:** Kaiser Foundation Health Plan Of Washington (NPI 1396810701, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 1996
## Record status
- **NPPES last updated:** April 26, 2021
- **Other identifiers:** Medicaid 8310195 (WA); Other 4488
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Source: [NPI Profile](https://npiprofile.com/npi/1699851444) · Data from the CMS NPPES public registry.