NPPES file of Aug 9, 2026

Richard D. Simon, MD

Sleep Medicine (Internal Medicine) Physician · Walla Walla, WA

Richard D. Simon, MD is a sleep medicine (internal medicine) physician with a practice address in Walla Walla, Washington, and NPI 1942214333, issued on Jul 28, 2006. Check the license (Washington MD00018852, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942214333
Name
Richard D. Simon
Credential
MD
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
MD00018852 WA
Self-reported in NPPES; status is on the state search
Practice location
401 W Poplar, Walla Walla, WA 99362
Phone
(509) 522-5946
Enumerated
Jul 28, 2006
Record last updated
Mar 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(509) 522-5744
Medicaid ID
8483406 WA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 401 W Poplar

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Timothy Davidson, MDPulmonary Disease Physician1124032511
  2. Stephen Rubin, PHDPsychologist1952414211
  3. Shirley Vonhaven, DOEmergency Medicine Physician1225052996

Verify Richard D. Simon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00018852
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

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Sleep Medicine (Internal Medicine) Physician providers in Washington

There are 52 sleep medicine (internal medicine) physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other sleep medicine (internal medicine) physician records in Washington

  1. Sanjay Agarwal, MD, FCCP, FAASMSeattle, WA1477523249
  2. Oneil Bains, MDSeattle, WA1982712584
  3. Martha Billings, M.D.Seattle, WA1700811619
  4. Scott Bonvallet, M.D.Bellevue, WA1649230095
  5. Yoon Hee Chang, MDKirkland, WA1023294311
  6. Wynne Chen, MDSeattle, WA1518974351
  7. Stephen Chung, MDWalla Walla, WA1578673703
  8. David Culpepper, MDSeattle, WA1386021079
  9. Lucas Donovan, M.D.Seattle, WA1588952170
  10. Robert Fisher, M.D.Vancouver, WA1437199585

Common questions

What is Richard D. Simon, MD's NPI number?

Richard D. Simon, MD's National Provider Identifier (NPI) is 1942214333, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard D. Simon, MD located?

The NPPES record lists a practice address at 401 W Poplar, Walla Walla, WA, 99362. Phone: (509) 522-5946. Providers update this record themselves, so call before visiting.

How can I verify Richard D. Simon, MD's license?

NPPES lists Washington license number MD00018852, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.