CHRISTOPHER E SIMS M.D
NPI 1962443580
Internal Medicine - Rheumatology in Seattle, WA
About Christopher E Sims M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER E SIMS M.D (NPI 1962443580) is an individual rheumatology provider in Seattle, Washington, licensed in Washington (MD60980252) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Johns Hopkins University School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Christopher E Sims 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 Reassignment
Medicare enrollment records show Christopher Sims reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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 4
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.
University Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98195 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.
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
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 Christopher Sims's NPI number?
The NPI number for Christopher Sims is 1962443580. It was assigned to this individual provider in the NPPES registry on June 8, 2006.
Where is Christopher Sims located?
Christopher Sims practices at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (206) 520-5000.
What is Christopher Sims's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Christopher Sims enrolled in Medicare?
Yes. Christopher Sims 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 Christopher Sims's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Sims reassigns Medicare benefits to The Association Of University Physicians (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 Christopher Sims's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Sims accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Christopher Sims 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 Christopher Sims affiliated with any hospitals?
According to CMS data, Christopher Sims is affiliated with University Of Washington Medical Ctr.
When was this NPI record last updated?
The NPPES record for Christopher Sims was last updated on December 31, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Christopher E Sims, M.D · NPI 1962443580
Rheumatology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since June 8, 2006.
## Identity
- **NPI:** 1962443580 (Entity type: Individual)
- **Enumerated:** June 8, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** MD60980252 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1959 NE PACIFIC ST, Seattle, WA 98195-7584
- **Phone:** (206) 520-5000
## 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:** The Association Of University Physicians (NPI 1023041159, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 1984
## Record status
- **NPPES last updated:** December 31, 2019
- **Other identifiers:** Medicaid 1962443580 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1962443580) · Data from the CMS NPPES public registry.