Richard N. Mattis, MD
Family Medicine Physician · Spokane Valley, WA
Richard N. Mattis, MD is a family medicine physician with a practice address in Spokane Valley, Washington, and NPI 1821040247, issued on May 16, 2006. Check the license (Washington MD00037693, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Richard N. Mattis
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD00037693 WA
M-9219 ID
Self-reported in NPPES; status is on the state search - Practice location
- 16528 Desmet CT, Spokane Valley, WA 99216
- Phone
- (509) 944-8910
- Enumerated
- May 16, 2006
- Record last updated
- May 29, 2025
- Fax
- (509) 227-7070
- Medicaid IDs
- 1821040247 ID
8252033 WA - Medicare enrollment
- Enrolled (PECOS I20230303000811); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 16528 Desmet CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dani Fergen, ARNPFamily Nurse Practitioner1164720488
- Ali Gaskari, MDGastroenterology Physician1124259155
- Liberty Hoffer, PAPhysician Assistant1063557338
- Mark Hoffman, MDFamily Medicine Physician1770572943
- N Jackson, PA-CPhysician Assistant1700878667
Verify Richard N. Mattis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00037693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family medicine physician in 2024
489 Medicare Part D claims for 297 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone155 claims
- Prednisone42 claims
- Cephalexin29 claims
- Suboxone29 claims
- Azithromycin28 claims
- Doxycycline Hyclate26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 4 group practices
- Ideal Option PLLCWaldorf, MD
- Ideal Telemedicine Services LLCKalispell, MT
- North Idaho Day Surgery LLCPost Falls, ID
- Providence Health And Services WashingtonColville, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard N. Mattis among 5,534 family medicine physician records in Washington
Richard N. Mattis, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1997 · median 2009 among the 3,294 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 family medicine physician records list a practice address in Spokane Valley
They are 63 of the 2,996 NPPES records with a practice address in Spokane Valley, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Spokane Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Amy Anderson, MDSpokane Valley, WA 992161306848379
- Jette Benedetto, MDSpokane Valley, WA 992161740282565
- Corrine Bresko, MDSpokane Valley, WA 992161447247499
- Darin Eckert, MDSpokane Valley, WA 992161073515458
- Jeffery Givens, MDSpokane Valley, WA 992161003890732
- Mark Hoffman, MDSpokane Valley, WA 992161770572943
- David Little, MDSpokane Valley, WA 992161396743043
- Robin Mitchell, MDSpokane Valley, WA 992161295732212
Common questions
What is Richard N. Mattis, MD's NPI number?
Richard N. Mattis, MD's National Provider Identifier (NPI) is 1821040247, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard N. Mattis, MD located?
The NPPES record lists a practice address at 16528 Desmet CT, Spokane Valley, WA, 99216. Phone: (509) 944-8910. Providers update this record themselves, so call before visiting.
How can I verify Richard N. Mattis, MD's license?
NPPES lists Washington license number MD00037693, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard N. Mattis, MD prescribe under Medicare Part D?
In 2024, Richard N. Mattis, MD had 489 Medicare Part D claims for 297 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.