JOSHUA O MARSHAK MD
NPI 1386175180
Family Medicine in Tacoma, WA
About Joshua O Marshak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSHUA O MARSHAK MD (NPI 1386175180) is an individual family medicine provider in Tacoma, Washington, licensed in Washington (MD60971418) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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
Joshua O Marshak 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 Joshua Marshak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 4,383 clinicians in this Medicare group
Auburn, WA 98001
- Reassigned Medicare billing, Washington enrollment
- 915 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 2
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.
Physician 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.
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 Joshua Marshak's NPI number?
The NPI number for Joshua Marshak is 1386175180. It was assigned to this individual provider in the NPPES registry on March 23, 2017.
Where is Joshua Marshak located?
Joshua Marshak practices at 521 Martin Luther King Jr Way, Tacoma, WA 98405. The listed phone number is (253) 403-2938.
What is Joshua Marshak's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Joshua Marshak enrolled in Medicare?
Yes. Joshua Marshak 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 Joshua Marshak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Marshak reassigns Medicare benefits to 2 organizations: Multicare Health System (Tacoma, WA) and South Sound Inpatient Physicians PLLC (Auburn, 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 Joshua Marshak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joshua Marshak accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Joshua Marshak 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 Joshua Marshak was last updated on February 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Joshua O Marshak, MD · NPI 1386175180
Family Medicine physician in Tacoma, Washington. Individual provider, active in the CMS NPPES registry since March 23, 2017.
## Identity
- **NPI:** 1386175180 (Entity type: Individual)
- **Enumerated:** March 23, 2017
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD60971418 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 521 MARTIN LUTHER KING JR WAY, Tacoma, WA 98405-4238
- **Phone:** (253) 403-2938 · **Fax:** (253) 403-2968
## 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): Multicare Health System (NPI 1548374408, Tacoma, WA); South Sound Inpatient Physicians PLLC (NPI 1215104443, Auburn, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** February 9, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1386175180) · Data from the CMS NPPES public registry.