MICHAEL W VIER MD
NPI 1043383599
Internal Medicine in Tacoma, WA
About Michael W Vier Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL W VIER MD (NPI 1043383599) is an individual internal medicine provider in Tacoma, Washington, licensed in Washington (MD00036840) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph Medical Center, and maintains a secondary practice location in Tacoma.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
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
Michael W Vier 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
2Medicare enrollment records show Michael Vier 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
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 566 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
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.
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
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 Michael Vier's NPI number?
The NPI number for Michael Vier is 1043383599. It was assigned to this individual provider in the NPPES registry on November 15, 2006.
Where is Michael Vier located?
Michael Vier practices at 1717 S J St, Tacoma, WA 98405. The listed phone number is (253) 426-6341.
What is Michael Vier's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Vier enrolled in Medicare?
Yes. Michael Vier 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 Michael Vier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Vier reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of Washington (Renton, WA) and Overlake Medical Clinics, LLC (Bellevue, 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 Michael Vier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Vier affiliated with any hospitals?
According to CMS data, Michael Vier is affiliated with St Joseph Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Vier was last updated on May 10, 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.
# Michael W Vier, MD · NPI 1043383599
Internal Medicine physician in Tacoma, Washington. Individual provider, active in the CMS NPPES registry since November 15, 2006.
## Identity
- **NPI:** 1043383599 (Entity type: Individual)
- **Enumerated:** November 15, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD00036840 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1717 S J ST, Tacoma, WA 98405-4933
- **Phone:** (253) 426-6341 · **Fax:** (253) 426-6344
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Kaiser Foundation Health Plan Of Washington (NPI 1124264577, Renton, WA); Overlake Medical Clinics, LLC (NPI 1801828421, Bellevue, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Cincinnati College Of Medicine, class of 1996
## Record status
- **NPPES last updated:** May 10, 2021
- **Other identifiers:** Other 0152507 (WA); Medicaid 8285611 (WA); Other 8902635 (WA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1043383599) · Data from the CMS NPPES public registry.