$1,281 in research paymentsDepressive Disorder, MajorDepressive DisorderBrexpiprazoleAntidepressant therapy
Dr. Arthur Kopp, MD
NPI1598977241PAC ID3870785009
- Medicare services, 2024
- 100
- Medicare patients, 2024
- 18
- Part D claims, 2024
- 667
- Clinical trials
- 1
- Industry payments
- $9,634
- Practice address
- 1891 W Effie St, Los Angeles, CA 90026
- Practice phone
- Call (323) 644-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gateways Hospital & Mental Health Center
Los Angeles, California
Find Dr. Kopp's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Arthur Kopp is a psychiatrist in Los Angeles, California
Dr. Kopp practices at Gateways Hospital & Mental Health Center in Los Angeles, California.
Dr. Kopp's NPI, 1598977241, was assigned on May 4, 2007. Dr. Kopp holds California license A88371.
NPI and contact details
- NPI
- 1598977241NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870785009
- NPI enumeration date
- May 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 644-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Arthur Kopp practices at Gateways Hospital & Mental Health Center in Los Angeles, California
Dr. Kopp's primary practice is Gateways Hospital & Mental Health Center, at 1891 W Effie St, Los Angeles, CA 90026 in Los Angeles County. The practice phone is (323) 644-2000.
- Gateways Hospital & Mental Health Center1891 W Effie St, Los Angeles, CA 90026 · Los Angeles CountyPhone(323) 644-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Arthur Kopp is affiliated with 2 sites of care and 1 medical group
Dr. Kopp's primary practice is Gateways Hospital & Mental Health Center in Los Angeles, California. Dmand AI also links Dr. Kopp to 1 group practice or clinic and 1 medical group, each named with a free account.
Gateways Hospital & Mental Health CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Arthur Kopp's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kopp practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gateways Hospital & Mental Health Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Arthur Kopp is one of 6,803 psychiatrists in California
Psychiatry is Dr. Kopp's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Kopp is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Kopp
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Arthur Kopp billed Medicare for 100 services in 2024
CMS data shows 100 Medicare services from Dr. Kopp across 1 procedure code in 2024, all of them office visits, for 18 Medicare patients. Medicare paid $9,406 for them. Every service was in an office.
Medicare services, 2024100
Medicare patients18
Paid by Medicare$9,406
Procedure codes1
Dr. Kopp's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1852024: 10046%
Dr. Kopp compared with the California median for psychiatrists, 2024
- Dr. Kopp
- California median
- Medicare services
- 100vs 11916% below
- Medicare patients
- 18vs 4156% below
- Part D claims
- 606vs 1444.2 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Kopp's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Kopp?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kopp and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Arthur Kopp treated 18 Medicare patients in 2024, average age 50
CMS counts 18 Medicare patients who saw Dr. Kopp in 2024. 67% of them have schizophrenia and other psychoses. 100% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kopp's median patient age at 41, with 33% women.
Medicare patients, 202418
Average age50
Average risk score0.87
Also on Medicaid100%
Chronic conditions among Dr. Kopp's Medicare patients, 2024
- Schizophrenia and other psychoses67%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kopp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women33%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Arthur Kopp wrote 667 Medicare Part D claims in 2024
In 2024, Dr. Kopp wrote 667 Medicare Part D claims for 35 patients. 95% of them were for generic drugs. CMS names the drug for 606 of them, across 22 drugs with 11 or more claims each, at $96,936 in total drug cost. In 2023, CMS named 1,091 claims across 29 drugs.
Part D claims, 2024667
Drugs named by CMS22
Total drug cost$96,936
Part D patients35
Dr. Kopp's Part D claims by kind of drug, 2024
- Generic636 claims95%
- Brand-name31 claims5%
Dr. Kopp's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kopp's Part D claims, 2024
- Antipsychotics, patients 65 and over5%31 of 667 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0912024: 60644%
Drugs named by CMS: 22 in 2024, 29 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Arthur Kopp takes part in Medicare
Dr. Kopp accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Arthur Kopp has worked on 1 clinical trial
Dmand AI links Dr. Kopp to 1 clinical trial. Conditions studied include Depressive Disorder, Major and Depressive Disorder. Open Payments lists research payments to Dr. Kopp that name 1 trial.
Conditions in Dr. Kopp's trials
- Depressive Disorder, Major
- Depressive Disorder
Investigators on the most trials with Dr. Kopp
- David H. Alpers, MD1 shared trial
- Donald Lee Anderson, MD1 shared trial
- J. Alexander Alexander Bodkin, MD1 shared trial
Recent clinical trials with Dr. Kopp
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Arthur Kopp received $9,634 in industry payments from 2016 to 2025
CMS Open Payments shows 254 general payments to Dr. Kopp from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 65% of the total. Neurocrine BioSciences, Inc. paid the most, $4,723. It also lists 7 research payments totaling $1,281 in 2019, naming 1 clinical trial.
General payments to Dr. Kopp by program year, 2016 to 2025
General payments to Dr. Kopp by kind, 2016 to 2025
$9.6Kin total
- Food and beverage$6,22065%
- Travel and lodging$3,03832%
- Education$3764%
Companies that paid Dr. Kopp the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Arthur Kopp's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Arthur Kopp
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Arthur Kopp's NPI number?
Dr. Arthur Kopp's NPI number is 1598977241. It was assigned on May 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Arthur Kopp?
Dr. Arthur Kopp is a psychiatrist in Los Angeles, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Arthur Kopp practice?
Dr. Kopp practices at 1891 W Effie St, Los Angeles, CA 90026. Dr. Kopp's primary practice is Gateways Hospital & Mental Health Center in Los Angeles, California. Dmand AI also links Dr. Kopp to 1 group practice or clinic and 1 medical group.
What is Dr. Arthur Kopp's office phone number?
The practice phone on file for Dr. Kopp is (323) 644-2000.
What is Dr. Arthur Kopp's medical license number?
Dr. Kopp holds California license A88371.
Does Dr. Arthur Kopp accept Medicare?
Yes. CMS data shows Dr. Kopp billed Medicare for 100 services in 2024, and Dr. Kopp accepts Medicare assignment.
How many Medicare patients does Dr. Arthur Kopp see?
CMS counts 18 Medicare patients who saw Dr. Kopp in 2024, with an average age of 50.
What services does Dr. Arthur Kopp bill to Medicare?
In 2024, Dr. Kopp's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Arthur Kopp prescribe most?
In 2024 Medicare Part D data, Dr. Kopp's most prescribed drugs by claims were Aripiprazole, Haloperidol and Sertraline HCl.
Has Dr. Arthur Kopp received payments from drug or device companies?
CMS Open Payments shows $9,634 in general payments to Dr. Kopp from 12 companies from 2016 to 2025. The largest total came from Neurocrine BioSciences, Inc.
How long has Dr. Arthur Kopp been practicing?
Dr. Kopp graduated from medical school in 1991, 35 years ago.
Does Dr. Arthur Kopp do research?
Dr. Kopp has worked on 1 clinical trial.
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