Dr. Carl Ronald Duncan, MD
- Medicare services, 2024
- 10,798
- Medicare patients, 2024
- 2,482
- Part D claims, 2024
- 15
- MIPS score, 2024
- 86
- Industry payments
- $1,060
- Practice address
- 1510 S Cotner Ave, Los Angeles, CA 90025
- Practice phone
- Call (302) 738-9300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Delaware Radiology Associates PA
Los Angeles, California
Find Dr. Duncan's professional email, personal email and mobile number
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Dr. Carl Ronald Duncan is a diagnostic radiologist in Los Angeles, California
Dr. Duncan practices at Delaware Radiology Associates PA in Los Angeles, California.
Dr. Duncan's NPI, 1346237369, was assigned on October 4, 2005. Dr. Duncan graduated from Hahnemann University College of Medicine in 1973. Dr. Duncan holds Maryland license D0063737.
- NPI
- 1346237369NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981597267
- NPI enumeration date
- October 4, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 738-9300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carl Ronald Duncan practices at Delaware Radiology Associates PA in Los Angeles, California
Dr. Duncan's primary practice is Delaware Radiology Associates PA, at 1510 S Cotner Ave, Los Angeles, CA 90025 in Los Angeles County. The practice phone is (302) 738-9300.
- Delaware Radiology Associates PA1510 S Cotner Ave, Los Angeles, CA 90025 · Los Angeles CountyPhone(302) 738-9300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Carl Ronald Duncan is affiliated with 5 sites of care and 4 medical groups
Dr. Duncan's primary practice is Delaware Radiology Associates PA in Los Angeles, California. The medical group on file is Beverly Radiology Medical Group. Dmand AI also links Dr. Duncan to 4 more group practices and clinics and 3 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. Carl Ronald Duncan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duncan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Delaware Radiology Associates PA | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carl Ronald Duncan is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Duncan's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Duncan's licenses on file in 2 states: Maryland and Pennsylvania.
Specialties and state licenses
- Diagnostic radiology, MarylandPrimary
- Pennsylvania license
Diagnostic radiologists near Dr. Duncan
Counts of diagnostic radiologists 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. Carl Ronald Duncan billed Medicare for 10,798 services in 2024
CMS data shows 10,798 Medicare services from Dr. Duncan across 46 procedure codes in 2024, for 2,482 Medicare patients. Medicare paid $166,263 for them. Every service was in an office.
Dr. Duncan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 13,1252024: 6,66349%
- Imaging
- 2023: 2,3762024: 4,08472%
- Surgery
- 2023: 832024: 5139%
Dr. Duncan compared with the California median for diagnostic radiologists, 2024
- Dr. Duncan
- California median
- Medicare services
- 10,798vs 2,2814.7 times
- Medicare patients
- 2,482vs 1,34684% above
- Part D claims
- 12vs 1414% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Duncan'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carl Ronald Duncan treated 2,482 Medicare patients in 2024, average age 73
CMS counts 2,482 Medicare patients who saw Dr. Duncan in 2024. The largest group is 65 to 74, with 1,234 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duncan's median patient age at 74, with 53% women.
Dr. Duncan's Medicare patients by age, 2024
Dr. Duncan's Medicare patients by sex, 2024
- Women1,70769%
- Men77531%
Chronic conditions among Dr. Duncan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes36%
- Ischemic heart disease27%
- Chronic kidney disease24%
- Anxiety23%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duncan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carl Ronald Duncan wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Duncan wrote 15 Medicare Part D claims. 87% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $836 in total drug cost.
Dr. Duncan's Part D claims by kind of drug, 2024
- Generic13 claims87%
- Brand-name and other2 claims13%
Dr. Duncan's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
Dr. Carl Ronald Duncan scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Duncan for performance year 2024, reported as part of a group. Dr. Duncan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Duncan's MIPS scores, performance year 2024
- 86of 100Final score
- 75of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Carl Ronald Duncan received $1,060 in industry payments from 2016 to 2024
CMS Open Payments shows 5 general payments to Dr. Duncan from 2 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 94% of the total. Leica Microsystems Inc. paid the most, $1,013.
General payments to Dr. Duncan by program year, 2016 to 2024
General payments to Dr. Duncan by kind, 2016 to 2024
- Consulting fees$1,00094%
- Food and beverage$606%
Companies that paid Dr. Duncan the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carl Ronald Duncan graduated from Hahnemann University College of Medicine
Dr. Duncan graduated from Hahnemann University College of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carl Ronald Duncan'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Carl Ronald Duncan
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. Carl Ronald Duncan's NPI number?
Dr. Carl Ronald Duncan's NPI number is 1346237369. It was assigned on October 4, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Carl Ronald Duncan?
Dr. Carl Ronald Duncan is a diagnostic radiologist in Los Angeles, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Carl Ronald Duncan practice?
Dr. Duncan practices at 1510 S Cotner Ave, Los Angeles, CA 90025. Dr. Duncan's primary practice is Delaware Radiology Associates PA in Los Angeles, California. Dmand AI also links Dr. Duncan to 4 group practices and clinics and 3 medical groups.
What is Dr. Carl Ronald Duncan's office phone number?
The practice phone on file for Dr. Duncan is (302) 738-9300.
What is Dr. Carl Ronald Duncan's medical license number?
Dr. Duncan holds Maryland license D0063737, one of the licenses on file in 2 states.
Which states has Dr. Carl Ronald Duncan been licensed in?
Dmand AI has state licenses on file for Dr. Duncan in Maryland and Pennsylvania.
What medical group is Dr. Carl Ronald Duncan part of?
Dr. Duncan is linked to Beverly Radiology Medical Group. Dmand AI links Dr. Duncan to 3 more medical groups.
Does Dr. Carl Ronald Duncan accept Medicare?
Yes. CMS data shows Dr. Duncan billed Medicare for 10,798 services in 2024, and Dr. Duncan accepts Medicare assignment.
What is Dr. Carl Ronald Duncan's MIPS score?
Dr. Duncan's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Carl Ronald Duncan see?
CMS counts 2,482 Medicare patients who saw Dr. Duncan in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Carl Ronald Duncan bill to Medicare?
In 2024, Dr. Duncan's most billed Medicare services were medicare temporary code (Q9967), diagnostic imaging (71046) and radiation oncology (77063).
Where did Dr. Carl Ronald Duncan go to medical school?
Dr. Duncan graduated from Hahnemann University College of Medicine in 1973.
What drugs does Dr. Carl Ronald Duncan prescribe most?
In 2019 Medicare Part D data, Dr. Duncan's most prescribed drugs by claims were Armour Thyroid.
Has Dr. Carl Ronald Duncan received payments from drug or device companies?
CMS Open Payments shows $1,060 in general payments to Dr. Duncan from 2 companies from 2016 to 2024. The largest total came from Leica Microsystems Inc.
How long has Dr. Carl Ronald Duncan been practicing?
Dr. Duncan graduated from medical school in 1973, 53 years ago.
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