Charles Duncan Massey, PSY.D.
Psychologist · Livermore, CA
Charles Duncan Massey, PSY.D. is a psychologist with a practice address in Livermore, California, and NPI 1952531709, issued on Jul 14, 2009. Check the license (California PSY32099, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Charles Duncan Massey
- Credential
- PSY.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY32099 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pullman St Bldg B, Livermore, CA 94551
- Phone
- (925) 457-5250
- Enumerated
- Jul 14, 2009
- Record last updated
- Jan 20, 2022
- Entity
- Type 1 · individual
Also registered at 300 Pullman St Bldg B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Isabel Barin, LMFT 84775Marriage & Family Therapist1871984864
- Elizabeth BelvedereMental Health Counselor1255274551
- Jessica Caron, PHARM.D.Pharmacist1508236274
- Maria Chan Huynh, LMFT 101597Marriage & Family Therapist1205118387
- Beverly Clemons Snowden, LMFTMarriage & Family Therapist1255886867
- Ray Deguia, PHARM.D.Pharmacist1659460616
Verify Charles Duncan Massey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY32099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Psychologist providers in California
There are 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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Common questions
What is Charles Duncan Massey, PSY.D.'s NPI number?
Charles Duncan Massey, PSY.D.'s National Provider Identifier (NPI) is 1952531709, issued on Jul 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Charles Duncan Massey, PSY.D. located?
The NPPES record lists a practice address at 300 Pullman St Bldg B, Livermore, CA, 94551. Phone: (925) 457-5250. Providers update this record themselves, so call before visiting.
How can I verify Charles Duncan Massey, PSY.D.'s license?
NPPES lists California license number PSY32099, as entered by the provider. Search the California 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.