MR. RICH D SIMPSON MSW; DMHP
NPI 1790083236
Social Worker - Clinical in Walla Walla, WA
About Mr. Rich D Simpson Msw; Dmhp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. RICH D SIMPSON MSW; DMHP (NPI 1790083236) is an individual clinical provider in Walla Walla, Washington and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Rich D Simpson Msw; Dmhp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Rich Simpson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 82 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99362 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALLA WALLA, WA 99362
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 Rich Simpson's NPI number?
The NPI number for Rich Simpson is 1790083236. It was assigned to this individual provider in the NPPES registry on March 8, 2011.
Where is Rich Simpson located?
Rich Simpson practices at 1520 Kelley Pl, Walla Walla, WA 99362. The listed phone number is (509) 524-2920.
What is Rich Simpson's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Rich Simpson enrolled in Medicare?
Yes. Rich Simpson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Rich Simpson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rich Simpson reassigns Medicare benefits to Comprehensive Healthcare (Yakima, 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 Rich Simpson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Rich Simpson was last updated on March 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Mr. Rich D Simpson, MSW; DMHP · NPI 1790083236
Clinical provider in Walla Walla, Washington. Individual provider, active in the CMS NPPES registry since March 8, 2011.
## Identity
- **NPI:** 1790083236 (Entity type: Individual)
- **Enumerated:** March 8, 2011
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Sole proprietor:** No
## Practice location
- **Address:** 1520 KELLEY PL, Walla Walla, WA 99362-8654
- **Phone:** (509) 524-2920
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Comprehensive Healthcare (NPI 1073527453, Yakima, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 8, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1790083236) · Data from the CMS NPPES public registry.