NPPES file of Aug 9, 2026

Karissa Nichole Chisum, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Costa Mesa, CA

Karissa Nichole Chisum, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Costa Mesa, California, and NPI 1558042101, issued on Jul 27, 2023. Check the license (California 95024718, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558042101
Name
Karissa Nichole Chisum
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
95024718 CA
95082085 CA
Self-reported in NPPES; status is on the state search
Practice location
1640 Newport Blvd Ste 110, Costa Mesa, CA 92627
Phone
(925) 282-1778
Enumerated
Jul 27, 2023
Record last updated
May 24, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1640 Newport Blvd Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Karen Aung, PSYD, LPClinical Psychologist1689081788
  2. Lillie Avetisyan-Harvey, LCSWClinical Social Worker1427628247
  3. Marian Cao, LMFTMarriage & Family Therapist1922578772
  4. Erika Clever, LMFTMarriage & Family Therapist1184391971
  5. Julia Cramer, LMFTMarriage & Family Therapist1679313126
  6. Athena Dao, LMFTMarriage & Family Therapist1487386066

Verify Karissa Nichole Chisum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95024718
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Psychiatric/Mental Health Nurse Practitioner providers in California

There are 4,226 psychiatric/mental health nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatric/mental health nurse practitioner records in California

  1. Cristina Aamot, NPSanta Ana, CA1356563167
  2. Calista Abaekobe, NPCulver City, CA1205590338
  3. Jane Abanes, NPSan Francisco, CA1821385675
  4. Pamela Joy Abao, NPValencia, CA1093178261
  5. Kazeem AbassLos Angeles, CA1518434281
  6. Nefretiri Abat, PMHNP-BCHayward, CA1184324014
  7. Oluwakemi AbayomiLos Angeles, CA1598508913
  8. Natasha Abbas, PMHNPLong Beach, CA1619797834
  9. Taha Abdelwahhab, APRN-CNP, PMHNPHayward, CA1760670616
  10. Ralaine Abdon, NPSacramento, CA1124699855

Common questions

What is Karissa Nichole Chisum, PMHNP-BC's NPI number?

Karissa Nichole Chisum, PMHNP-BC's National Provider Identifier (NPI) is 1558042101, issued on Jul 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Karissa Nichole Chisum, PMHNP-BC located?

The NPPES record lists a practice address at 1640 Newport Blvd Ste 110, Costa Mesa, CA, 92627. Phone: (925) 282-1778. Providers update this record themselves, so call before visiting.

How can I verify Karissa Nichole Chisum, PMHNP-BC's license?

NPPES lists California license number 95024718, 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.