William Benedict Furlong, MD
Infectious Disease Physician · Arlington, VA
William Benedict Furlong, MD is an infectious disease physician with a practice address in Arlington, Virginia, and NPI 1376688598, issued on Feb 21, 2007. Check the license (Virginia 0101047503, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- William Benedict Furlong
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 0101047503 VA
D0030694 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1635 North George Mason Drive, Arlington, VA 22205
- Phone
- (703) 525-7600
- Enumerated
- Feb 21, 2007
- Record last updated
- Jan 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (703) 516-4503
- Medicaid ID
- 006089054 VA
- Medicare enrollment
- Enrolled (PECOS I20120111000169); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 239 in Virginia → Look up another NPI →
Also registered at 1635 North George Mason Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thomas Rakowski, M.D.Nephrology Physician1912091463
Verify William Benedict Furlong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101047503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average infectious disease physician in 2024
236 Medicare Part D claims for 33 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro19 claims
- Biktarvy17 claims
- Emtricitabine-Tenofovir Disop16 claims
- Azithromycin15 claims
- Vemlidy13 claims
- Zolpidem Tartrate12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,627.78
30 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Benedict Furlong among 239 infectious disease physician records in Virginia
William Benedict Furlong, MD is one of 239 infectious disease physician records with a practice address in Virginia. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 41% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1981 · median 2002 among the 145 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Virginia
There are 239 infectious disease physician records in Virginia.
All 239 in Virginia → Every provider in Arlington → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Mary Buesing, MDArlington, VA 222051881602530
- Robert Holman, MDArlington, VA 222051023026895
- Rohit Modak, M.D.Arlington, VA 222051790902716
- Jennifer Primeggia, MDArlington, VA 222051174782056
- Ian Seemungal, M.DArlington, VA 222051679722433
- Zhaneta Zimmer, M.D.Arlington, VA 222051205290822
- Elisabeth Hagen, MDArlington, VA 222071053300939
- Florence Tchouaffi-Nana, M.D.Woodbridge, VA 221921780889337
Common questions
What is William Benedict Furlong, MD's NPI number?
William Benedict Furlong, MD's National Provider Identifier (NPI) is 1376688598, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Benedict Furlong, MD located?
The NPPES record lists a practice address at 1635 North George Mason Drive, Arlington, VA, 22205. Phone: (703) 525-7600. Providers update this record themselves, so call before visiting.
How can I verify William Benedict Furlong, MD's license?
NPPES lists Virginia license number 0101047503, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Benedict Furlong, MD prescribe under Medicare Part D?
In 2024, William Benedict Furlong, MD had 236 Medicare Part D claims for 33 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.