NPPES file of Aug 9, 2026

Khoiviet Hathuc, D.O,

Psychiatry Physician · Long Beach, CA

Khoiviet Hathuc, D.O, is a psychiatry physician with a practice address in Long Beach, California, and NPI 1497921324, issued on Apr 30, 2008. Check the license (California 20A11093, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497921324
Name
Khoiviet Hathuc
Credential
D.O,
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
20A11093 CA
Self-reported in NPPES; status is on the state search
Practice location
5901 E 7TH St, Long Beach, CA 90822
Phone
(562) 826-8000
Enumerated
Apr 30, 2008
Record last updated
Mar 8, 2023
Medicare enrollment
Enrolled (PECOS I20260304003605); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5901 E 7TH St

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

  1. Nneoma Achikam, LCSW, BCDClinical Social Worker1114182953
  2. Sameera Ahmad, ODOptometrist1164117891
  3. Sama Alabbas, PHARMDPharmacist1366165193
  4. Lawrence Albers, MDPsychiatry Physician1871697300
  5. Abby AlexanderOptometrist1871113068
  6. Tamara Alexander, PT, DPTPhysical Therapist1922116714

Verify Khoiviet Hathuc in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11093
    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
Open 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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60% fewer Medicare Part D claims than the average psychiatry physician in 2024

397 Medicare Part D claims for 30 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Khoiviet Hathuc397
  2. Specialty average1,000

Most prescribed

  1. Duloxetine Hcl57 claims
  2. Sertraline Hcl35 claims
  3. Mirtazapine32 claims
  4. Quetiapine Fumarate32 claims
  5. Diazepam26 claims
  6. Gabapentin26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. College Community ServicesOrange, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Khoiviet Hathuc among 8,673 psychiatry physician records in California

Khoiviet Hathuc, D.O, is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.

  • NPI issued2008 · 52% of these records are older, 43% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2008 · median 2005 among the 3,295 with a school on file
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Lawrence Albers, MDLong Beach, CA 908221871697300
  2. Sean Buckley, M.D.Long Beach, CA 908221487625778
  3. Epifania Casino, M.D.Long Beach, CA 908221740372408
  4. Nima Fayazmanesh, M.D.Long Beach, CA 908221144510041
  5. Kathleen Herron, M.D.Long Beach, CA 908221558463083
  6. Hank Lai, MDLong Beach, CA 908221255750246
  7. Kirk McNagny, M.D.Long Beach, CA 908221194836098
  8. Benjamin MorrisLong Beach, CA 908221750473955

Common questions

What is Khoiviet Hathuc, D.O,'s NPI number?

Khoiviet Hathuc, D.O,'s National Provider Identifier (NPI) is 1497921324, issued on Apr 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Khoiviet Hathuc, D.O, located?

The NPPES record lists a practice address at 5901 E 7TH St, Long Beach, CA, 90822. Phone: (562) 826-8000. Providers update this record themselves, so call before visiting.

How can I verify Khoiviet Hathuc, D.O,'s license?

NPPES lists California license number 20A11093, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Khoiviet Hathuc, D.O, prescribe under Medicare Part D?

In 2024, Khoiviet Hathuc, D.O, had 397 Medicare Part D claims for 30 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.