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Dr. Sean Patrick Duffy, DO
NPI1033371752
- Medicare services, 2018
- 1,040
- Part D claims, 2018
- 731
- Publications
- 20
- Hospital affiliations
- 2
- Industry payments
- $2,216
- Practice address
- 1701 North George Mason Drive, Arlington, VA 22205
- Practice phone
- Call (703) 558-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Duffy's professional email, personal email and mobile number
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Dr. Sean Patrick Duffy is an internist in Arlington, Virginia
Dr. Duffy practices at VHC Health in Arlington, Virginia, part of VHC Health.
Dr. Duffy's NPI, 1033371752, was assigned on June 25, 2008. Dr. Duffy holds Virginia license 0102204216.
NPI and contact details
- NPI
- 1033371752NPI Registry (opens in a new tab)
- NPI enumeration date
- June 25, 2008
- NPI status
- Active
- Practice phone
- (703) 558-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sean Patrick Duffy practices at VHC Health in Arlington, Virginia
Dr. Duffy's primary practice is VHC Health, at 1701 North George Mason Drive, Arlington, VA 22205 in Arlington County. The practice phone is (703) 558-5000.
- VHC Health1701 North George Mason Drive, Arlington, VA 22205 · Arlington CountyPhone(703) 558-5000
Source: Dmand AI Affiliation Data
Dr. Sean Patrick Duffy is affiliated with 2 sites of care
Dr. Duffy's primary practice is VHC Health in Arlington, Virginia, part of VHC Health. Dmand AI also links Dr. Duffy to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sean Patrick Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duffy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VHC Health | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sean Patrick Duffy is one of 3,339 internists in Virginia
Internal medicine is Dr. Duffy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Duffy is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Duffy
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. Sean Patrick Duffy billed Medicare for 1,040 services in 2018
CMS data shows 1,040 Medicare services from Dr. Duffy across 11 procedure codes in 2018. Medicare paid $49,717 for them. Every service was in an office.
Medicare services, 20181,040
Paid by Medicare$49,717
Procedure codes11
Dr. Duffy's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 1,0002018: 65035%
- Imaging
- 2017: 1302018: 15519%
- Tests and treatments
- 2017: 2942018: 10764%
- Lab and pathology
- 2017: 872018: 6426%
- Other services
- 2017: 2082018: 6469%
- Drugs given in the office
- 2017: 292018: 0100%
- Surgery
- 2017: 142018: 0100%
Dr. Duffy compared with the Virginia median for internists, 2018
- Dr. Duffy
- Virginia median
- Medicare services
- 1,040vs 60771% above
- Part D claims
- 731vs 2243.3 times
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Duffy's most billed Medicare procedure codes, 2018
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. Duffy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duffy and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sean Patrick Duffy's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Duffy's median patient age at 57, with 29% women.
Dr. Duffy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women29%
- Men68%
Source: Dmand AI Patient Panel Data
Dr. Sean Patrick Duffy wrote 731 Medicare Part D claims in 2018
In 2018, Dr. Duffy wrote 731 Medicare Part D claims. They cover 29 drugs, with $30,921 in total drug cost. In 2017, CMS named 472 claims across 25 drugs.
Part D claims, 2018731
Drugs named by CMS29
Total drug cost$30,921
Dr. Duffy's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 4722018: 73155%
Drugs named by CMS: 29 in 2018, 25 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Sean Patrick Duffy has 20 publications on record
Dmand AI links 20 papers to Dr. Duffy, published from 2015 to 2025. 2019 was the busiest year, with 3. The most frequent topics are Judgment, Pulmonary Disease, Chronic Obstructive and Bias. Dr. Duffy has published most often in Psychon Bull Rev. Dr. Duffy's most frequent co-authors are Gerard Criner, MD, Nathaniel T. Marchetti, DO and Do Duy Dang, MD.
Papers20
Years published2015 to 2025
Dr. Duffy's papers by year, 2015 to 2025
Topics Dr. Duffy writes about most
- Judgment
- Pulmonary Disease, Chronic Obstructive
- Bias
- Community Health Workers
- Guatemala
- Rural Population
- Space Perception
Dr. Duffy's most frequent co-authors
- Gerard Criner, MD6 shared papers
- Nathaniel T. Marchetti, DO3 shared papers
- Do Duy Dang, MD2 shared papers
Recent publications by Dr. Duffy
Am J Trop Med Hyg
Career ChoiceEducation, MedicalFellowships and Scholarships
See who Dr. Duffy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Duffy 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. Sean Patrick Duffy received $2,216 in industry payments from 2017 to 2023
CMS Open Payments shows 12 general payments to Dr. Duffy from 7 drug and device companies from 2017 to 2023. Consulting fees make up the largest share, 86% of the total. Merck Sharp & Dohme Corporation paid the most, $1,913.
General payments to Dr. Duffy by program year, 2017 to 2023
General payments to Dr. Duffy by kind, 2017 to 2023
$2.2Kin total
- Consulting fees$1,91386%
- Food and beverage$30414%
Companies that paid Dr. Duffy the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sean Patrick Duffy'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Sean Patrick Duffy
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. Sean Patrick Duffy's NPI number?
Dr. Sean Patrick Duffy's NPI number is 1033371752. It was assigned on June 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Sean Patrick Duffy?
Dr. Sean Patrick Duffy is an internist in Arlington, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sean Patrick Duffy practice?
Dr. Duffy practices at 1701 North George Mason Drive, Arlington, VA 22205. Dr. Duffy's primary practice is VHC Health in Arlington, Virginia, part of VHC Health. Dmand AI also links Dr. Duffy to 1 hospital.
What is Dr. Sean Patrick Duffy's office phone number?
The practice phone on file for Dr. Duffy is (703) 558-5000.
What is Dr. Sean Patrick Duffy's medical license number?
Dr. Duffy holds Virginia license 0102204216.
Which hospitals is Dr. Sean Patrick Duffy affiliated with?
Dr. Duffy practices at VHC Health in Arlington, Virginia. Dmand AI links Dr. Duffy to 1 more hospital.
Does Dr. Sean Patrick Duffy accept Medicare?
Yes. CMS data shows Dr. Duffy billed Medicare for 1,040 services in 2018.
What services does Dr. Sean Patrick Duffy bill to Medicare?
In 2018, Dr. Duffy's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and diagnostic imaging (71046).
What drugs does Dr. Sean Patrick Duffy prescribe most?
In 2018 Medicare Part D data, Dr. Duffy's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Sean Patrick Duffy received payments from drug or device companies?
CMS Open Payments shows $2,216 in general payments to Dr. Duffy from 7 companies from 2017 to 2023. The largest total came from Merck Sharp & Dohme Corporation.
Show 3 more questionsShow fewer questions
How long has Dr. Sean Patrick Duffy been practicing?
Dr. Duffy graduated from medical school in 2008, 18 years ago.
Does Dr. Sean Patrick Duffy do research?
Dmand AI links 20 publications to Dr. Duffy, published from 2015 to 2025.
Who does Dr. Sean Patrick Duffy publish with?
Dr. Duffy's most frequent co-authors are Gerard Criner, MD (6 shared papers), Nathaniel T. Marchetti, DO (3 shared papers) and Do Duy Dang, MD (2 shared papers).
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