JOSHUA JAMES WALTHER MD, MPH
NPI 1710543285
Psychiatry & Neurology - Psychiatry in Seattle, WA
About Joshua James Walther Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSHUA JAMES WALTHER MD, MPH (NPI 1710543285) is an individual psychiatry provider in Seattle, Washington, licensed in Washington (MD61672296) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Harborview Medical Center, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Joshua James Walther Md, Mph 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Harborview Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 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 Walther's NPI number?
The NPI number for Joshua Walther is 1710543285. It was assigned to this individual provider in the NPPES registry on May 10, 2019.
Where is Joshua Walther located?
Joshua Walther practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 520-5000.
What is Joshua Walther's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Joshua Walther enrolled in Medicare?
Yes. Joshua Walther 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.
What insurance does Joshua Walther accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Joshua Walther 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 Joshua Walther affiliated with any hospitals?
According to CMS data, Joshua Walther is affiliated with Harborview Medical Center.
When was this NPI record last updated?
The NPPES record for Joshua Walther was last updated on July 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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 James Walther, MD, MPH · NPI 1710543285
Psychiatry physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since May 10, 2019.
## Identity
- **NPI:** 1710543285 (Entity type: Individual)
- **Enumerated:** May 10, 2019
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** MD61672296 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, Seattle, WA 98104-2420
- **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
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1710543285) · Data from the CMS NPPES public registry.