Irina Fox Brennan, MD, PHD
Emergency Medicine Physician · Alexandria, VA
Irina Fox Brennan, MD, PHD is an emergency medicine physician with a practice address in Alexandria, Virginia, and NPI 1053605584, issued on Jun 1, 2011. Check the license (Virginia 0101260407, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Irina Fox Brennan
- Credential
- MD, PHD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 0101260407 VA
ME117790 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4320 Seminary RD, Alexandria, VA 22304
- Phone
- (240) 686-2300
- Enumerated
- Jun 1, 2011
- Record last updated
- Aug 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (240) 686-2335
- Medicaid ID
- 014951800 FL
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,715 in Virginia → Look up another NPI →
Also registered at 4320 Seminary RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rodolfo Alora, PTPhysical Therapist1033440748
- Melissa Alverson, CSASurgical Assistant1528948676
Verify Irina Fox Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101260407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average emergency medicine physician in 2024
213 Medicare Part D claims for 114 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Ondansetron Odt21 claims
- Cefdinir18 claims
- Azithromycin15 claims
- Cephalexin15 claims
- Dicyclomine Hcl13 claims
- Albuterol Sulfate Hfa12 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.
Irina Fox Brennan among 1,715 emergency medicine physician records in Virginia
Irina Fox Brennan, MD, PHD is one of 1,715 emergency medicine physician records with a practice address in Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 59% of them.
- NPI issued2011 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2016 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Virginia
There are 1,715 emergency medicine physician records in Virginia.
All 1,715 in Virginia → Every provider in Alexandria → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Martin Brown, MDAlexandria, VA 223041730177999
- Sora Chung, MDAlexandria, VA 223041255520417
- Thomas Clark, MDAlexandria, VA 223041699762708
- Cameron Cushing, MDAlexandria, VA 223041942298880
- Ana Fuentes, MDAlexandria, VA 223041750425146
- Patrick Glynn, M.D.Alexandria, VA 223041720305147
- Lydia Haile, PAAlexandria, VA 223041932199676
- Reagan Herrington, M.D.Alexandria, VA 223041124256300
Common questions
What is Irina Fox Brennan, MD, PHD's NPI number?
Irina Fox Brennan, MD, PHD's National Provider Identifier (NPI) is 1053605584, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Irina Fox Brennan, MD, PHD located?
The NPPES record lists a practice address at 4320 Seminary RD, Alexandria, VA, 22304. Phone: (240) 686-2300. Providers update this record themselves, so call before visiting.
How can I verify Irina Fox Brennan, MD, PHD's license?
NPPES lists Virginia license number 0101260407, 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 Irina Fox Brennan, MD, PHD prescribe under Medicare Part D?
In 2024, Irina Fox Brennan, MD, PHD had 213 Medicare Part D claims for 114 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.