Dr Irina Fox Brennan, MD, PHD - Medicare Emergency Medicine in Alexandria, VA

Dr Irina Fox Brennan, MD, PHD is a medicare enrolled "Emergency Medicine" physician in Alexandria, Virginia. Her current practice location is 4320 Seminary Rd, Alexandria, Virginia. You can reach out to her office (for appointments etc.) via phone at (240) 686-2300.

Dr Irina Fox Brennan is licensed to practice in Virginia (license number 0101260407) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1053605584.

Contact Information

Dr Irina Fox Brennan, MD, PHD
4320 Seminary Rd,
Alexandria, VA 22304-1535
(240) 686-2300
(240) 686-2335



Physician's Profile

Full NameDr Irina Fox Brennan
GenderFemale
SpecialityEmergency Medicine
Location4320 Seminary Rd, Alexandria, Virginia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1053605584
  • Provider Enumeration Date: 06/01/2011
  • Last Update Date: 08/23/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 2466686621
  • Enrollment ID: I20160804001283

Medical Identifiers

Medical identifiers for Dr Irina Fox Brennan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053605584NPI-NPPES
014951800MedicaidFL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine ME117790 (Florida)Secondary
207P00000XEmergency Medicine 0101260407 (Virginia)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Irina Fox Brennan allows following entities to bill medicare on her behalf.
Entity NameInova Health Care Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952320061
PECOS PAC ID: 2466351093
Enrollment ID: O20040102000644

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Entity NameMid Atlantic Critical Care Services Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164455853
PECOS PAC ID: 3274432828
Enrollment ID: O20040102000771

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Entity NameEmergency Medicine Associates Pa Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134117393
PECOS PAC ID: 8022914522
Enrollment ID: O20070919000389

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Entity NameAlexandria Springfield Emergency Physicians Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740529700
PECOS PAC ID: 1052558954
Enrollment ID: O20130514000155

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Irina Fox Brennan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Irina Fox Brennan, MD, PHD
20010 Century Blvd, Suite 200,
Germantown, MD 20874-1115

Ph: (240) 686-2300
Dr Irina Fox Brennan, MD, PHD
4320 Seminary Rd,
Alexandria, VA 22304-1535

Ph: (240) 686-2300

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› Verified 3 days ago


Emergency Medicine Doctors in Alexandria, VA

Dr. Austin Windsor Reynolds, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2501 Parkers Ln, Alexandria, VA 22306
Phone: 703-664-7000    
Dr. Ginny Gujral Khanna, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2501 Parkers Ln, Alexandria, VA 22306
Phone: 703-664-7000    
Dr. Michael David Homeyer, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2501 Parkers Ln, Department Of Emergency Medicine, Alexandria, VA 22306
Phone: 703-664-7112    
Natasha Y Powell, DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 2501 Parkers Ln, Alexandria, VA 22306
Phone: 703-664-7000    
Adam Parker Martin, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 4320 Seminary Rd, Alexandria, VA 22304
Phone: 703-504-3000    
Dr. Reagan Herrington, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 4320 Seminary Rd, Alexandria, VA 22304
Phone: 703-504-3000    

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