Katherine Rosemary O'Connell, PH.D.
Psychologist · Arcata, CA
Katherine Rosemary O'Connell, PH.D. is a psychologist with a practice address in Arcata, California, and NPI 1336423524, issued on Oct 5, 2011. Check the license (California 8300, 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
- Katherine Rosemary O'Connell
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 8300 CA
Self-reported in NPPES; status is on the state search - Practice location
- 801 Crescent Way Ste 3, Arcata, CA 95521
- Phone
- (707) 709-8743
- Enumerated
- Oct 5, 2011
- Record last updated
- May 2, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120521000025); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 801 Crescent Way Ste 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathleen Lowder, LCSWClinical Social Worker1134611247
- Elizabeth McCallion, PHDPsychologist1275197360
Verify Katherine Rosemary O'Connell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 8300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Katherine Rosemary O'Connell among 7,304 psychologist records in California
Katherine Rosemary O'Connell, PH.D. is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 50% of them.
- NPI issued2011 · 50% of these records are older, 47% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated1979 · median 2005 among the 1,058 with a school on file
- Record last updated2017 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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.
All 7,304 in California → Every provider in Arcata → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Steven Blankman, PH.D.Arcata, CA 955211972529816
- Kevin Foley, PH.D.Arcata, CA 955211528391380
- Jessica Lara, PSYDArcata, CA 955211992174965
- Elizabeth McCallion, PHDArcata, CA 955211275197360
- Melinda Myers, PSYDArcata, CA 955211548498215
- Sarah Haag, PH.D.McKinleyville, CA 955191952733016
- Emily SommermanMcKinleyville, CA 955191891156626
- Terri Jennings, PH.DBlue Lake, CA 955251568611861
Common questions
What is Katherine Rosemary O'Connell, PH.D.'s NPI number?
Katherine Rosemary O'Connell, PH.D.'s National Provider Identifier (NPI) is 1336423524, issued on Oct 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Rosemary O'Connell, PH.D. located?
The NPPES record lists a practice address at 801 Crescent Way Ste 3, Arcata, CA, 95521. Phone: (707) 709-8743. Providers update this record themselves, so call before visiting.
How can I verify Katherine Rosemary O'Connell, PH.D.'s license?
NPPES lists California license number 8300, 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.