Dr. Sabine E. Duffy, MD
- Medicare services, 2024
- 252
- Medicare patients, 2024
- 319
- Hospital affiliations
- 2
- Industry payments
- $197
- Medical groups
- 3
- Practice address
- 3300 Gallows Rd, Falls Church, VA 22046
- Practice phone
- Call (703) 698-3659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, Virginia
Find Dr. Duffy's professional email, personal email and mobile number
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Dr. Sabine E. Duffy is an anesthesiologist in Falls Church, Virginia
Dr. Duffy practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Dr. Duffy's NPI, 1003891680, was assigned on December 7, 2005. Dr. Duffy holds Virginia license 0101239942.
- NPI
- 1003891680NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981606712
- NPI enumeration date
- December 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sabine E. Duffy practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Dr. Duffy's primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.
- Inova Fairfax Hospital - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Dr. Sabine E. Duffy is affiliated with 2 sites of care and 3 medical groups
Dr. Duffy's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dr. Duffy is also affiliated with Inova Fairfax Hospital. The medical group on file is Inova Urgent Care Center. Dmand AI also links Dr. Duffy to 2 more medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sabine E. 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 |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sabine E. Duffy is one of 1,215 anesthesiologists in Virginia
Anesthesiology is Dr. Duffy's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Duffy's licenses on file in 2 states: Virginia and Massachusetts.
Specialties and state licenses
- Anesthesiology, VirginiaPrimary
- Massachusetts license
Anesthesiologists near Dr. Duffy
Counts of anesthesiologists 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. Sabine E. Duffy billed Medicare for 252 services in 2024
CMS data shows 252 Medicare services from Dr. Duffy across 8 procedure codes in 2024, for 319 Medicare patients. Medicare paid $35,459 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Duffy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1882024: 25234%
Dr. Duffy compared with the Virginia median for anesthesiologists, 2024
- Dr. Duffy
- Virginia median
- Medicare services
- 252vs 14277% above
- Medicare patients
- 319vs 21648% above
Medians across 1,171 anesthesiologists in Virginia with Dmand AI profiles that report each measure.
Dr. Duffy'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. Duffy and other anesthesiologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sabine E. Duffy treated 319 Medicare patients in 2024, average age 77
CMS counts 319 Medicare patients who saw Dr. Duffy in 2024. The largest group is 75 to 84, with 151 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Duffy's median patient age at 55, with 51% women.
Dr. Duffy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Duffy's Medicare patients by sex, 2024
- Women12940%
- Men19060%
Chronic conditions among Dr. Duffy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation51%
- Ischemic heart disease51%
- Arthritis44%
- Cancer34%
- Heart failure34%
- Chronic kidney disease30%
Share of Medicare patients with each condition. A patient can have several.
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 55
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Sabine E. Duffy takes part in Medicare
Dr. Duffy 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. Sabine E. Duffy received $197 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Duffy from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Fisher & Paykel Healthcare Inc paid the most, $47.
General payments to Dr. Duffy by program year, 2016 to 2025
Companies that paid Dr. Duffy 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. Sabine E. 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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Sabine E. 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. Sabine E. Duffy's NPI number?
Dr. Sabine E. Duffy's NPI number is 1003891680. It was assigned on December 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Sabine E. Duffy?
Dr. Sabine E. Duffy is an anesthesiologist in Falls Church, Virginia. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Sabine E. Duffy practice?
Dr. Duffy practices at 3300 Gallows Rd, Falls Church, VA 22046. Dr. Duffy's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dmand AI also links Dr. Duffy to 2 medical groups.
What is Dr. Sabine E. Duffy's office phone number?
The practice phone on file for Dr. Duffy is (703) 698-3659.
What is Dr. Sabine E. Duffy's medical license number?
Dr. Duffy holds Virginia license 0101239942, one of the licenses on file in 2 states.
Which states has Dr. Sabine E. Duffy been licensed in?
Dmand AI has state licenses on file for Dr. Duffy in Virginia and Massachusetts.
Which hospitals is Dr. Sabine E. Duffy affiliated with?
Dr. Duffy is affiliated with Inova Fairfax Hospital. Dmand AI links Dr. Duffy to 1 more hospital.
What medical group is Dr. Sabine E. Duffy part of?
Dr. Duffy is linked to Inova Urgent Care Center. Dmand AI links Dr. Duffy to 2 more medical groups.
Does Dr. Sabine E. Duffy accept Medicare?
Yes. CMS data shows Dr. Duffy billed Medicare for 252 services in 2024, and Dr. Duffy accepts Medicare assignment.
How many Medicare patients does Dr. Sabine E. Duffy see?
CMS counts 319 Medicare patients who saw Dr. Duffy in 2024, with an average age of 77.
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What services does Dr. Sabine E. Duffy bill to Medicare?
In 2024, Dr. Duffy's most billed Medicare services were anesthesia (00537), anesthesia (00520) and anesthesia (00530).
Has Dr. Sabine E. Duffy received payments from drug or device companies?
CMS Open Payments shows $197 in general payments to Dr. Duffy from 5 companies from 2016 to 2025. The largest total came from Fisher & Paykel Healthcare Inc.
How long has Dr. Sabine E. Duffy been practicing?
Dr. Duffy graduated from medical school in 1987, 39 years ago.
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