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JOSHUA KRITSADA KOH M.D.
NPI 1871609271
Psychiatry & Neurology - Psychiatry in San Dimas, CA

Active since August 21, 2006PECOS EnrolledAccepts Medicare Assignment
0/100
CMS Quality Rating
1173 N DIXIE DR, SUITE 101, SAN DIMAS, CA 91773(909) 599-4422(909) 599-5577 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Joshua Kritsada Koh M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSHUA KRITSADA KOH M.D. (NPI 1871609271) is an individual psychiatry provider in San Dimas, California, licensed in California (A50936) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Southwest School Of Medicine And Hospital (1985).

NPPES Registry Identity

NPI1871609271
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJOSHUA KRITSADA KOHCredential: M.D.
Location Address1173 N DIXIE DR, SUITE 101San Dimas, CA 91773-1200
Mailing Address2058 N Mills Ave, #518Claremont, CA 91711-2812 · (909) 599-4422 · Fax (909) 599-5577
Phone(909) 599-4422
Fax(909) 599-5577
Sole ProprietorYes
Medical School CMSSouthwest School Of Medicine And HospitalGraduated 1985
Enumeration DateAugust 21, 2006
Last NPPES UpdateMarch 7, 2023
✔ NPI 1871609271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A50936
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1173 N DIXIE DR, San Dimas, CA 91773
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Other Identifiers 2

OtherA50936CA · Medcial License #
Medicaid00A509360CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Joshua Kritsada Koh M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901968288
PECOS Enrollment IDI20081219000525
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Joshua Koh reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Joshua Kritsada Koh A Professional Psychiatric Corporation
Same address
Psychiatry
1173 N DIXIE DR, SUITE 101
San Dimas, CA 91773
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1114249240 (909) 599-4422
One Health Center, Inc.
6.8 mi
Community Health
5050 SAN BERNARDINO ST
Montclair, CA 91763
  • Reassigned Medicare billing, California enrollment
  • 26 clinicians in this Medicare group
NPI 1992679443 (909) 321-8000
Foothills Psychological Services, Inc.
7.9 mi
Psychologist
954 W FOOTHILL BLVD STE A
Upland, CA 91786
  • Reassigned Medicare billing, California enrollment
  • 76 clinicians in this Medicare group
NPI 1336121888 (909) 946-4222
Mission City Community Network, Inc.
11 mi
Primary Care
513 E LIME AVE, SUITE 103
Monrovia, CA 91016
  • Reassigned Medicare billing, California enrollment
  • 146 clinicians in this Medicare group
NPI 1063795250 (818) 895-3100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
3,560 services913 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
631 services619 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307
A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.
129 services63 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
52 services52 patients
Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 99347
An established patient home visit is a service where a healthcare professional visits your home for a 15-minute check-up. It's designed for patients who have previously seen the professional. The visit may include basic health assessments and discussions about your ongoing care.
51 services27 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91773 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DENNIS HO D.C.
Chiropractor
1173 N DIXIE DR, SUITE 102
SAN DIMAS, CA 91773
Los Angeles County (909) 592-7040
JOSHUA KRITSADA KOH A PROFESSIONAL PSYCHIATRIC CORPORATION
Psychiatry & Neurology (Psychiatry)
1173 N DIXIE DR, SUITE 101
SAN DIMAS, CA 91773
Los Angeles County (909) 599-4422
DR. GREGORY T. DELAMARE D.C.
Chiropractor
1173 N DIXIE DR, SUITE 102
SAN DIMAS, CA 91773
Los Angeles County (909) 592-7040
ARTHUR AMANFO PA-C
Physician Assistant (Medical)
1173 N DIXIE DR, SUITE 101
SAN DIMAS, CA 91773
Los Angeles County (909) 599-4422
DR. THOMAS PAUL DELANEY PHD
Psychologist (Clinical)
1173 N DIXIE DR, STE. 101
SAN DIMAS, CA 91773
Los Angeles County (626) 231-7500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joshua Koh's NPI number?

The NPI number for Joshua Koh is 1871609271. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Joshua Koh located?

Joshua Koh practices at 1173 N Dixie Dr Suite 101, San Dimas, CA 91773. The listed phone number is (909) 599-4422.

What is Joshua Koh's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Joshua Koh enrolled in Medicare?

Yes. Joshua Koh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Joshua Koh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Koh reassigns Medicare benefits to 4 organizations: Joshua Kritsada Koh A Professional Psychiatric Corporation (San Dimas, CA), One Health Center, Inc. (Montclair, CA), Foothills Psychological Services, Inc. (Upland, CA) and Mission City Community Network, Inc. (Monrovia, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joshua Koh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joshua Koh was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.