Rick Merwin, PHD
Psychologist · Redding, CA
Rick Merwin, PHD is a psychologist with a practice address in Redding, California, and NPI 1891837688, issued on Feb 12, 2007. Check the license (California PSY5419, 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
- Rick Merwin
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY5419 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3184 Churn Creek RD, Redding, CA 96002
- Phone
- (530) 224-2700
- Enumerated
- Feb 12, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 3184 Churn Creek RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Cassedy, FNP-BCFamily Nurse Practitioner1982183760
- Jessica Cupp, RDRegistered Dietitian1700063328
- Douglas Dawson, RPHPharmacist1780721357
- John Egolf, NPNurse Practitioner1891991923
- Angelique GrayClinical Social Worker1184768863
- Kelly Hering, NPNurse Practitioner1124131883
Verify Rick Merwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY5419Check 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.
Other psychologist records in California
- Alice Abarbanel, PH.D.Albany, CA1598095002
- Michael Abbott, PSYDModesto, CA1346498151
- Riley AbelesLos Angeles, CA1841861945
- Jenna Abell, PSYDLos Angeles, CA1073743969
- Sheri Abercrombie, PSY.D.San Diego, CA1932292422
- Tseday Aberra, PSY.D.Corona, CA1104026517
- Elham Abouhamzeh, PSY.DIrvine, CA1386092880
- Lilit Abraamyan-ChaidezBurbank, CA1710433289
- Mackenzie Abraham, PHDRedondo Beach, CA1881053833
- Sandra Abraham, PSYDSanta Fe Springs, CA1427467851
Common questions
What is Rick Merwin, PHD's NPI number?
Rick Merwin, PHD's National Provider Identifier (NPI) is 1891837688, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rick Merwin, PHD located?
The NPPES record lists a practice address at 3184 Churn Creek RD, Redding, CA, 96002. Phone: (530) 224-2700. Providers update this record themselves, so call before visiting.
How can I verify Rick Merwin, PHD's license?
NPPES lists California license number PSY5419, 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.