Eugene Chien
Professional Counselor · Rancho Cucamonga, CA
Eugene Chien is a professional counselor with a practice address in Rancho Cucamonga, California, and NPI 1821414590, issued on Mar 5, 2014. Check the license (California 7991, 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
- Eugene Chien
- Primary taxonomy
- Professional Counselor 101YP2500X
- License number
- 7991 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9390 Base Line RD, Rancho Cucamonga, CA 91701
- Phone
- (909) 484-5151
- Enumerated
- Mar 5, 2014
- Record last updated
- Jan 29, 2026
- Entity
- Type 1 · individual
Also registered at 9390 Base Line RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie GledhillMarriage & Family Therapist1114386943
- Sarah PerriCounselor1740149657
- Richard Solano, LMFT, PPSCMarriage & Family Therapist1366632424
- Jonet Thomas, SCHOOL COUNSELORSchool Counselor1609735927
Verify Eugene Chien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 7991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Professional Counselor providers in California
There are 3,965 professional counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,965 in California → Every provider in Rancho Cucamonga →
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- Angie AbellanaModesto, CA1386381622
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- Adam AbramsonSacramento, CA1518695246
Common questions
What is Eugene Chien's NPI number?
Eugene Chien's National Provider Identifier (NPI) is 1821414590, issued on Mar 5, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Eugene Chien located?
The NPPES record lists a practice address at 9390 Base Line RD, Rancho Cucamonga, CA, 91701. Phone: (909) 484-5151. Providers update this record themselves, so call before visiting.
How can I verify Eugene Chien's license?
NPPES lists California license number 7991, 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.