Douglas Holwerda, LMHC
Mental Health Counselor · Seattle, WA
Douglas Holwerda, LMHC is a mental health counselor with a practice address in Seattle, Washington, and NPI 1790883072, issued on Sep 20, 2006. Check the license (Washington LH00006816, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Douglas Holwerda
- Credential
- LMHC
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- LH00006816 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1410 NE 66TH St, Seattle, WA 98115
- Phone
- (206) 527-8336
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (206) 517-4195
- Entity
- Type 1 · individual
Also registered at 1410 NE 66TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Toshio Hayashi, LSWSocial Worker1699925644
- Roselyn Lane, RNRegistered Nurse1285973545
- Madalyn Nelson, RNSchool Registered Nurse1831796929
- Anina Terry, A.R.N.P.Family Nurse Practitioner1124434527
- Auky Van Beek, PA-CPhysician Assistant1063522480
- Elizabeth Winstanley, LICSWClinical Social Worker1194465831
Verify Douglas Holwerda in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LH00006816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3,142 mental health counselor records list a practice address in Seattle
They are 3,142 of the 41,956 NPPES records with a practice address in Seattle, and 18,094 mental health counselor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,142 in Seattle → All 18,094 in Washington → Every provider in Seattle →
Other mental health counselor records in Washington
- Jessica Aarsvold, MA, LMHCASeattle, WA1215536719
- Gracie AbanganOmak, WA1740333863
- Anthony Abastilla, LMHCASilverdale, WA1477150829
- Pinael Abate, LMHCARenton, WA1265103568
- Hiba AbbadEverett, WA1265272231
- Kelly Abbananto, BALakewood, WA1043676562
- Hannah AbbottKirkland, WA1568334498
- Harold Abbott, M.A.Seattle, WA1548463136
- Heather Abbott, LMHCASeattle, WA1861806077
- Kristyn Abbott, LMHCOlympia, WA1215328471
Common questions
What is Douglas Holwerda, LMHC's NPI number?
Douglas Holwerda, LMHC's National Provider Identifier (NPI) is 1790883072, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Holwerda, LMHC located?
The NPPES record lists a practice address at 1410 NE 66TH St, Seattle, WA, 98115. Phone: (206) 527-8336. Providers update this record themselves, so call before visiting.
How can I verify Douglas Holwerda, LMHC's license?
NPPES lists Washington license number LH00006816, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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. 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.