Walter Merle Wallis, MD
Child & Adolescent Psychiatry Physician · Everett, WA
Walter Merle Wallis, MD is a child & adolescent psychiatry physician with a practice address in Everett, Washington, and NPI 1548355191, issued on Oct 3, 2006. Check the license (Washington MD00014381, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Walter Merle Wallis
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- MD00014381 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4526 Federal Ave, Everett, WA 98203
- Phone
- (425) 349-6320
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (425) 349-6325
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 128 in Washington → Look up another NPI →
Also registered at 4526 Federal Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Riaqueen Abelon, BA, AACCounselor1629725635
- Tinsae AbiyoCounselor1336965565
- Jemal AbrehaPsychiatric/Mental Health Registered Nurse1891657052
- Victoria Rose AdausCounselor1508412172
- Ruby AdrianPeer Specialist1215676481
- Teyonna Aiken, MS, AAC, CLIN 2Mental Health Counselor1265669428
Verify Walter Merle Wallis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00014381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Walter Merle Wallis among 128 child & adolescent psychiatry physician records in Washington
Walter Merle Wallis, MD is one of 128 child & adolescent psychiatry physician records with a practice address in Washington. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileNo · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 22% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Washington
There are 128 child & adolescent psychiatry physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 128 in Washington → Every provider in Everett → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Joshua Boguch, M.D.Everett, WA 982011154764223
- Lesley Kassicieh, DOEverett, WA 982011316141674
- Robin Berger, MDSeattle, WA 981951073176905
- Zoran BrkanacSeattle, WA 981951871683763
- Nina De Lacy, MDSeattle, WA 981951932499670
- Katherine Glass, M.D.Seattle, WA 981951750791984
- Alison Golombek, MDSeattle, WA 981951083724470
- Matthew Hopperstad, MDSeattle, WA 981951902002132
Common questions
What is Walter Merle Wallis, MD's NPI number?
Walter Merle Wallis, MD's National Provider Identifier (NPI) is 1548355191, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Merle Wallis, MD located?
The NPPES record lists a practice address at 4526 Federal Ave, Everett, WA, 98203. Phone: (425) 349-6320. Providers update this record themselves, so call before visiting.
How can I verify Walter Merle Wallis, MD's license?
NPPES lists Washington license number MD00014381, 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.