STEPHEN H. SIM M.D.
NPI 1407913205
Internal Medicine in Tacoma, WA
About Stephen H. Sim M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN H. SIM M.D. (NPI 1407913205) is an individual internal medicine provider in Tacoma, Washington, licensed in Washington (MD00041256) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with St Joseph Medical Center, and is a graduate of University Of Washington School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Stephen H. Sim 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 Stephen Sim reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Renton, WA 98057
- Reassigned Medicare billing, Washington enrollment
- 2,678 clinicians in this Medicare group
Olympia, WA 98506
- Reassigned Medicare billing, Washington enrollment
- 646 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph Medical Center
Acute Care Hospitals · Tacoma, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98405 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.
TACOMA, WA 98405
TACOMA, WA 98405
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 Stephen Sim's NPI number?
The NPI number for Stephen Sim is 1407913205. It was assigned to this individual provider in the NPPES registry on January 2, 2007.
Where is Stephen Sim located?
Stephen Sim practices at 209 Martin Luther King Jr Way, Tacoma, WA 98405. The listed phone number is (253) 596-3300.
What is Stephen Sim's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stephen Sim enrolled in Medicare?
Yes. Stephen Sim 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 Stephen Sim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Sim reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of Washington (Renton, WA) and Providence Health & Services Washington (Olympia, 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 Stephen Sim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Sim affiliated with any hospitals?
According to CMS data, Stephen Sim is affiliated with St Joseph Medical Center.
When was this NPI record last updated?
The NPPES record for Stephen Sim was last updated on May 5, 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.
# Stephen H. Sim, M.D. · NPI 1407913205
Internal Medicine physician in Tacoma, Washington. Individual provider, active in the CMS NPPES registry since January 2, 2007.
## Identity
- **NPI:** 1407913205 (Entity type: Individual)
- **Enumerated:** January 2, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD00041256 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 209 MARTIN LUTHER KING JR WAY, Tacoma, WA 98405-4265
- **Phone:** (253) 596-3300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Kaiser Foundation Health Plan Of Washington (NPI 1124264577, Renton, WA); Providence Health & Services Washington (NPI 1174744304, Olympia, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** May 5, 2021
- **Other identifiers:** Medicaid 8343493 (WA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1407913205) · Data from the CMS NPPES public registry.