Joshua Kritsada Koh, M.D.
Psychiatry Physician · San Dimas, CA
Joshua Kritsada Koh, M.D. is a psychiatry physician with a practice address in San Dimas, California, and NPI 1871609271, issued on Aug 21, 2006. Check the license (California A50936, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joshua Kritsada Koh
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A50936 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1173 N Dixie Dr, San Dimas, CA 91773
- Phone
- (909) 599-4422
- Enumerated
- Aug 21, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (909) 599-5577
- Medicaid ID
- 00A509360 CA
- Medicare enrollment
- Enrolled (PECOS I20081219000525); accepts Medicare assignment
- Medical or professional school
- Southwest School Of Medicine And Hospital, 1985
- Entity
- Type 1 · individual
Also registered at 1173 N Dixie Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arthur Amanfo, PA-CMedical Physician Assistant1457688699
- Gregory Delamare, D.C.Chiropractor1417132283
- Thomas Delaney, PHDClinical Psychologist1699794388
- Dennis Ho, D.C.Chiropractor1013031798
Verify Joshua Kritsada Koh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A50936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average psychiatry physician in 2024
2,244 Medicare Part D claims for 221 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Divalproex Sodium248 claims
- Risperidone190 claims
- Olanzapine189 claims
- Quetiapine Fumarate178 claims
- Aripiprazole175 claims
- Mirtazapine99 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $440.75
15 payments; by number, the most common kind was food and beverage; the largest payer was Acadia Pharmaceuticals Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Joshua Kritsada Koh, M.D.'s NPI number?
Joshua Kritsada Koh, M.D.'s National Provider Identifier (NPI) is 1871609271, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Kritsada Koh, M.D. located?
The NPPES record lists a practice address at 1173 N Dixie Dr, San Dimas, CA, 91773. Phone: (909) 599-4422. Providers update this record themselves, so call before visiting.
How can I verify Joshua Kritsada Koh, M.D.'s license?
NPPES lists California license number A50936, 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 Joshua Kritsada Koh, M.D. prescribe under Medicare Part D?
In 2024, Joshua Kritsada Koh, M.D. had 2,244 Medicare Part D claims for 221 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Joshua Kritsada Koh, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.