Dr. Christopher Duke, MD
- Medicare services, 2024
- 1,315
- Medicare patients, 2024
- 259
- Part D claims, 2024
- 2,674
- MIPS score, 2024
- 95
- Hospital affiliations
- 2
- Practice address
- 4167 Merchant Plz, Woodbridge, VA 22192
- Practice phone
- Call (703) 878-8800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CloseKnit Lake Ridge
Urgent Care Center · Woodbridge, Virginia
Find Dr. Duke's professional email, personal email and mobile number
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Dr. Christopher Duke is an internist in Woodbridge, Virginia
Dr. Duke practices at CloseKnit Lake Ridge in Woodbridge, Virginia.
Dr. Duke's NPI, 1942225396, was assigned on July 13, 2006. Dr. Duke graduated from George Washington University School of Medicine in 1988. Dr. Duke holds District of Columbia license MD21216.
- NPI
- 1942225396NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315112166
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (703) 878-8800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Duke practices at CloseKnit Lake Ridge in Woodbridge, Virginia
Dr. Duke's primary practice is CloseKnit Lake Ridge, at 4167 Merchant Plz, Woodbridge, VA 22192. The practice phone is (703) 878-8800.
- CloseKnit Lake Ridge4167 Merchant Plz, Woodbridge, VA 22192Phone(703) 878-8800
Source: Dmand AI Affiliation Data
Dr. Christopher Duke is affiliated with 9 sites of care and 5 medical groups
Dr. Duke's primary practice is CloseKnit Lake Ridge in Woodbridge, Virginia. Dr. Duke is also affiliated with Sibley Memorial Hospital. The medical group on file is AllCare Family Medicine and Urgent Care. Dmand AI also links Dr. Duke to 1 more hospital, 4 medical groups, 3 group practices and clinics, 2 home health agencies and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Duke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duke practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CloseKnit Lake Ridge | Available with a free account |
| +8 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Duke is one of 3,339 internists in Virginia
Internal medicine is Dr. Duke's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Duke's licenses on file in 2 states: District of Columbia and Maryland.
Specialties and state licenses
- Internal medicine, District of ColumbiaPrimary
- Maryland license
Internists near Dr. Duke
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. Christopher Duke billed Medicare for 1,315 services in 2024
CMS data shows 1,315 Medicare services from Dr. Duke across 16 procedure codes in 2024, for 259 Medicare patients. Medicare paid $104,882 for them. Every service was in an office.
Dr. Duke's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6942024: 6625%
- Other services
- 2023: 2372024: 2589%
- Tests and treatments
- 2023: 2262024: 2241%
- Lab and pathology
- 2023: 862024: 17199%
- Surgery
- 2023: 132024: 0100%
Dr. Duke compared with the Virginia median for internists, 2024
- Dr. Duke
- Virginia median
- Medicare services
- 1,315vs 6072.2 times
- Medicare patients
- 259vs 2465% above
- Part D claims
- 2,051vs 2249.2 times
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Duke'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duke and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Duke treated 259 Medicare patients in 2024, average age 78
CMS counts 259 Medicare patients who saw Dr. Duke in 2024. The largest group is 75 to 84, with 124 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duke's median patient age at 64, with 43% women.
Dr. Duke's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Duke's Medicare patients by sex, 2024
- Women11745%
- Men14255%
Chronic conditions among Dr. Duke's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis45%
- Ischemic heart disease29%
- Diabetes20%
- Atrial fibrillation17%
- Osteoporosis17%
- Cancer15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Duke wrote 2,674 Medicare Part D claims in 2024
In 2024, Dr. Duke wrote 2,674 Medicare Part D claims for 311 patients. 91% of them were for generic drugs. CMS names the drug for 2,051 of them, across 64 drugs with 11 or more claims each, at $72,287 in total drug cost. In 2023, CMS named 2,710 claims across 80 drugs.
Dr. Duke's Part D claims by kind of drug, 2024
- Generic2,439 claims91%
- Brand-name224 claims8%
- Other11 claims0%
Dr. Duke'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. Duke's Part D claims, 2024
- Opioids2%54 of 2,674 claims
- Antibiotics5%135 of 2,674 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: 2,7102024: 2,05124%
Drugs named by CMS: 64 in 2024, 80 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
Dr. Christopher Duke scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Duke for performance year 2024, reported through an alternative payment model (APM). Dr. Duke accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Duke as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Duke's MIPS scores, performance year 2024
- 95of 100Final score
- 90.3of 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. Christopher Duke received $2,569 in industry payments from 2016 to 2025
CMS Open Payments shows 144 general payments to Dr. Duke from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $285.
General payments to Dr. Duke by program year, 2016 to 2025
General payments to Dr. Duke by kind, 2016 to 2025
- Food and beverage$2,562100%
- Education$70%
Companies that paid Dr. Duke the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Duke graduated from George Washington University School of Medicine
Dr. Duke graduated from George Washington University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Duke'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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. Christopher Duke
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. Christopher Duke's NPI number?
Dr. Christopher Duke's NPI number is 1942225396. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Duke?
Dr. Christopher Duke is an internist in Woodbridge, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christopher Duke practice?
Dr. Duke practices at 4167 Merchant Plz, Woodbridge, VA 22192. Dr. Duke's primary practice is CloseKnit Lake Ridge in Woodbridge, Virginia. Dmand AI also links Dr. Duke to 1 hospital, 4 medical groups, 3 group practices and clinics, 2 home health agencies and 1 hospice.
What is Dr. Christopher Duke's office phone number?
The practice phone on file for Dr. Duke is (703) 878-8800.
What is Dr. Christopher Duke's medical license number?
Dr. Duke holds District of Columbia license MD21216, one of the licenses on file in 2 states.
Which states has Dr. Christopher Duke been licensed in?
Dmand AI has state licenses on file for Dr. Duke in District of Columbia and Maryland.
Which hospitals is Dr. Christopher Duke affiliated with?
Dr. Duke is affiliated with Sibley Memorial Hospital. Dmand AI links Dr. Duke to 1 more hospital.
What medical group is Dr. Christopher Duke part of?
Dr. Duke is linked to AllCare Family Medicine and Urgent Care. Dmand AI links Dr. Duke to 4 more medical groups.
Does Dr. Christopher Duke accept Medicare?
Yes. CMS data shows Dr. Duke billed Medicare for 1,315 services in 2024, and Dr. Duke accepts Medicare assignment.
Does Dr. Christopher Duke offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Duke as offering telehealth services.
Show 7 more questionsShow fewer questions
What is Dr. Christopher Duke's MIPS score?
Dr. Duke's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Christopher Duke see?
CMS counts 259 Medicare patients who saw Dr. Duke in 2024, with an average age of 78.
What services does Dr. Christopher Duke bill to Medicare?
In 2024, Dr. Duke's most billed Medicare services were office visit, established patient (99214), lab and pathology test (81003) and care management and other visits (99497).
Where did Dr. Christopher Duke go to medical school?
Dr. Duke graduated from George Washington University School of Medicine in 1988.
What drugs does Dr. Christopher Duke prescribe most?
In 2024 Medicare Part D data, Dr. Duke's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. Christopher Duke received payments from drug or device companies?
CMS Open Payments shows $2,569 in general payments to Dr. Duke from 32 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Christopher Duke been practicing?
Dr. Duke graduated from medical school in 1988, 38 years ago.
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