James Robert Masson, PH.D.
Clinical Psychologist · Olympia, WA
James Robert Masson, PH.D. is a clinical psychologist with a practice address in Olympia, Washington, and NPI 1134262884, issued on Feb 14, 2007. Check the license (Washington PY00001701, 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
- James Robert Masson
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PY00001701 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2118 Caton Way SW, Olympia, WA 98502
- Phone
- (360) 754-4662
- Enumerated
- Feb 14, 2007
- Record last updated
- Jan 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (360) 352-3289
- Medicare enrollment
- Enrolled (PECOS I20090127000670); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2118 Caton Way SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Babcock, PSYDClinical Neuropsychologist1023422573
- Oriana Cozzolino, LSWAICClinical Social Worker1336859511
- Janet Monson, PSY.D.Mental Health Counselor1225335706
- Molly O'Neil, PSYDClinical Psychologist1568512416
- John Powell, PH.D.Clinical Psychologist1194793737
- Resa Raven, PSY.D.Clinical Psychologist1407120959
Verify James Robert Masson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PY00001701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Clinical Psychologist providers in Washington
There are 1,675 clinical psychologist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other clinical psychologist records in Washington
- Amy Aadland, PSY.D.Vancouver, WA1134378227
- Geneva Abiko, PSY.D.Bellevue, WA1891905303
- Michelle Accardi-Ravid, PH.D.Seattle, WA1689094294
- Aimee Acebedo, PH.D.Tacoma, WA1437342912
- Chloe Adams, PHDLakewood, WA1407788789
- Diane Adams, PH.D.Renton, WA1922112937
- Julie Adams, PHDEdmonds, WA1700820644
- Kristopher AdamsVancouver, WA1679197370
- Reginald Adkisson, PHDBremerton, WA1063632834
- Chrystal Agnor, PH.D.Vancouver, WA1215241781
Common questions
What is James Robert Masson, PH.D.'s NPI number?
James Robert Masson, PH.D.'s National Provider Identifier (NPI) is 1134262884, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Robert Masson, PH.D. located?
The NPPES record lists a practice address at 2118 Caton Way SW, Olympia, WA, 98502. Phone: (360) 754-4662. Providers update this record themselves, so call before visiting.
How can I verify James Robert Masson, PH.D.'s license?
NPPES lists Washington license number PY00001701, 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.