RICHARD N MATTIS MD
NPI 1821040247
Family Medicine in Spokane Valley, WA
About Richard N Mattis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RICHARD N MATTIS MD (NPI 1821040247) is an individual family medicine provider in Spokane Valley, Washington, licensed in Washington (MD00037693) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Kootenai Health, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 2
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
Richard N Mattis 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
4Medicare enrollment records show Richard Mattis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Spokane, WA 99223
- Reassigned Medicare billing, Washington enrollment
- 862 clinicians in this Medicare group
Post Falls, ID 83854
- Reassigned Medicare billing, Idaho enrollment
- 76 clinicians in this Medicare group
Kennewick, WA 99336
- Reassigned Medicare billing, Idaho, Maryland, Montana, Oregon and Washington enrollments
- 30 clinicians in this Medicare group
Renton, WA 98057
- Reassigned Medicare billing, District of Columbia, Idaho, Maryland, Montana, Oregon and Washington enrollments
- 13 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kootenai Health
Acute Care Hospitals · Coeur D'alene, IDNorthwest Specialty Hospital
Acute Care Hospitals · Post Falls, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99216 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 13
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 Richard Mattis's NPI number?
The NPI number for Richard Mattis is 1821040247. It was assigned to this individual provider in the NPPES registry on May 16, 2006.
Where is Richard Mattis located?
Richard Mattis practices at 16528 Desmet Ct, Spokane Valley, WA 99216. The listed phone number is (509) 944-8910.
What is Richard Mattis's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Richard Mattis enrolled in Medicare?
Yes. Richard Mattis 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 Richard Mattis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Mattis reassigns Medicare benefits to 4 organizations: Providence Health & Services Washington (Spokane, WA), North Idaho Day Surgery LLC (Post Falls, ID), Ideal Option, PLLC (Kennewick, WA) and Ideal Telemedicine Services, LLC (Renton, 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 Richard Mattis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Richard Mattis accept?
Health plans from Ambetter Health, Blue Cross and Blue Shield of Montana, BridgeSpan Health Company, Kaiser Permanente and Moda Health Plan, Inc. and 4 other insurers list Richard Mattis 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 Richard Mattis affiliated with any hospitals?
According to CMS data, Richard Mattis is affiliated with Kootenai Health and Northwest Specialty Hospital.
When was this NPI record last updated?
The NPPES record for Richard Mattis was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Richard N Mattis, MD · NPI 1821040247
Family Medicine physician in Spokane Valley, Washington. Individual provider, active in the CMS NPPES registry since May 16, 2006.
## Identity
- **NPI:** 1821040247 (Entity type: Individual)
- **Enumerated:** May 16, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD00037693 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 16528 DESMET CT, Spokane Valley, WA 99216-3522
- **Phone:** (509) 944-8910 · **Fax:** (509) 227-7070
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Providence Health & Services Washington (NPI 1306391446, Spokane, WA); North Idaho Day Surgery LLC (NPI 1104824739, Post Falls, ID); Ideal Option, PLLC (NPI 1457788275, Kennewick, WA); Ideal Telemedicine Services, LLC (NPI 1346754868, Renton, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** May 29, 2025
- **Other identifiers:** Medicaid 1821040247 (ID); Medicaid 8252033 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1821040247) · Data from the CMS NPPES public registry.