Clin Pharmacol Ther
Dr. Derek J. Cheung, MD
- Medicare services, 2023
- 153
- Part D claims, 2024
- 728
- Publications
- 2
- Industry payments
- $48
- Affiliated sites
- 2
- Practice address
- 4950 W Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Los Angeles, California
Find Dr. Cheung's professional email, personal email and mobile number
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Dr. Derek J. Cheung is an internist in Los Angeles, California
Dr. Cheung practices at Southern California Permanente Medical Group in Los Angeles, California.
Dr. Cheung's NPI, 1336671981, was assigned on April 3, 2017. Dr. Cheung graduated from Wayne State University School of Medicine in 2017. Dr. Cheung holds California license A158438.
- NPI
- 1336671981NPI Registry (opens in a new tab)
- NPI enumeration date
- April 3, 2017
- NPI status
- Active
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Derek J. Cheung practices at Southern California Permanente Medical Group in Los Angeles, California
Dr. Cheung's primary practice is Southern California Permanente Medical Group, at 4950 W Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Southern California Permanente Medical Group4950 W Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Derek J. Cheung is affiliated with 3 sites of care and 3 medical groups
Dr. Cheung's primary practice is Southern California Permanente Medical Group in Los Angeles, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Cheung to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Derek J. Cheung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cheung practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Derek J. Cheung is one of 16,751 internists in California
Internal medicine is Dr. Cheung's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Cheung is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Cheung
Counts of internists 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. Derek J. Cheung billed Medicare for 153 services in 2023
CMS data shows 153 Medicare services from Dr. Cheung across 5 procedure codes in 2023. Medicare paid $8,752 for them. Every service was in an office.
Dr. Cheung's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 3392023: 13959%
- Tests and treatments
- 2022: 272023: 1448%
- Other services
- 2022: 112023: 0100%
Dr. Cheung compared with the California median for internists, 2023
- Dr. Cheung
- California median
- Medicare services
- 153vs 36158% below
- Part D claims
- 388vs 4218% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Cheung's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cheung and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Derek J. Cheung's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Cheung's median patient age at 56, with 51% women.
Dr. Cheung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women51%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Derek J. Cheung wrote 728 Medicare Part D claims in 2024
In 2024, Dr. Cheung wrote 728 Medicare Part D claims for 111 patients. 77% of them were for generic drugs. CMS names the drug for 388 of them, across 15 drugs with 11 or more claims each, at $22,367 in total drug cost. In 2023, CMS named 615 claims across 23 drugs.
Dr. Cheung's Part D claims by kind of drug, 2024
- Generic564 claims77%
- Brand-name146 claims20%
- Other18 claims2%
Dr. Cheung'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. Cheung's Part D claims, 2024
- Antibiotics2%11 of 728 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: 6152024: 38837%
Drugs named by CMS: 15 in 2024, 23 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
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Dr. Derek J. Cheung has 2 publications on record
Dmand AI links 2 papers to Dr. Cheung, published from 2022 to 2024. Dr. Cheung's most frequent co-author is Pradeep Sharma, MD.
Dr. Cheung's most frequent co-authors
Recent publications by Dr. Cheung
Sensors (Basel)
See who Dr. Cheung researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cheung works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Derek J. Cheung received $48 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Cheung from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $27.
Companies that paid Dr. Cheung the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Derek J. Cheung graduated from Wayne State University School of Medicine
Dr. Cheung graduated from Wayne State University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Derek J. Cheung'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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Derek J. Cheung
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. Derek J. Cheung's NPI number?
Dr. Derek J. Cheung's NPI number is 1336671981. It was assigned on April 3, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek J. Cheung?
Dr. Derek J. Cheung is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Derek J. Cheung practice?
Dr. Cheung practices at 4950 W Sunset Blvd, Los Angeles, CA 90027. Dr. Cheung's primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dmand AI also links Dr. Cheung to 2 group practices and clinics and 2 medical groups.
What is Dr. Derek J. Cheung's office phone number?
The practice phone on file for Dr. Cheung is (323) 783-4011.
What is Dr. Derek J. Cheung's medical license number?
Dr. Cheung holds California license A158438.
What medical group is Dr. Derek J. Cheung part of?
Dr. Cheung is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Cheung to 2 more medical groups.
Does Dr. Derek J. Cheung accept Medicare?
Yes. CMS data shows Dr. Cheung billed Medicare for 153 services in 2023.
What services does Dr. Derek J. Cheung bill to Medicare?
In 2023, Dr. Cheung's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99212).
Where did Dr. Derek J. Cheung go to medical school?
Dr. Cheung graduated from Wayne State University School of Medicine in 2017.
What drugs does Dr. Derek J. Cheung prescribe most?
In 2024 Medicare Part D data, Dr. Cheung's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
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Has Dr. Derek J. Cheung received payments from drug or device companies?
CMS Open Payments shows $48 in general payments to Dr. Cheung from 2 companies from 2024 to 2024. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Derek J. Cheung been practicing?
Dr. Cheung graduated from medical school in 2017, 9 years ago.
Does Dr. Derek J. Cheung do research?
Dmand AI links 2 publications to Dr. Cheung, published from 2022 to 2024.
Who does Dr. Derek J. Cheung publish with?
Dr. Cheung's most frequent co-authors are Pradeep Sharma, MD (1 shared paper).
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