Patrick F Callahan, MD - Medicare Pediatrics in Fairfax, VA

Patrick F Callahan, MD is a medicare enrolled "Pediatrics - Pediatric Cardiology" physician in Fairfax, Virginia. His current practice location is 8260 Willow Oaks Corporate Dr Ste 400, Fairfax, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 573-0504.

Patrick F Callahan is licensed to practice in Virginia (license number 0101230553) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1487616082.

Contact Information

Patrick F Callahan, MD
8260 Willow Oaks Corporate Dr Ste 400,
Fairfax, VA 22031-4513
(703) 573-0504
(703) 573-4856



Physician's Profile

Full NamePatrick F Callahan
GenderMale
SpecialityPediatrics - Pediatric Cardiology
Location8260 Willow Oaks Corporate Dr Ste 400, Fairfax, Virginia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1487616082
  • Provider Enumeration Date: 04/06/2006
  • Last Update Date: 04/27/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9830170612
  • Enrollment ID: I20040527000288

Medical Identifiers

Medical identifiers for Patrick F Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487616082NPI-NPPES
009999078MedicaidVA
26104101MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080P0202XPediatrics - Pediatric Cardiology D0057138 (Maryland)Secondary
2080P0202XPediatrics - Pediatric Cardiology MD19833 (District Of Columbia)Secondary
2080P0202XPediatrics - Pediatric Cardiology 0101230553 (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. Patrick F Callahan allows following entities to bill medicare on his 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 NamePediatrix Medical Group Of The Mid-atlantic Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205859691
PECOS PAC ID: 9739102765
Enrollment ID: O20060117000344

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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. Patrick F Callahan 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
Patrick F Callahan, MD
Po Box 37174,
Baltimore, MD 21297-3174

Ph: (571) 423-5699
Patrick F Callahan, MD
8260 Willow Oaks Corporate Dr Ste 400,
Fairfax, VA 22031-4513

Ph: (703) 573-0504

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Looking for ways to slow the growth of entitlement programs, budget negotiators in Washington are considering making seniors wait two years longer to qualify for Medicare -; from age 65 to 67. Many Republicans have endorsed the idea, noting that Medicare beneficiaries now live far longer on average than they did when Congress created the program in 1965.

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The Arkansas Center for Health Improvement has released a report that provides the first-ever analysis of body mass index (BMI) data at the school, school district, county and state level.

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Pediatrics Doctors in Fairfax, VA

Ho Chung Tu, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 3913 Old Lee Highway, Office No 31b, Fairfax, VA 22030
Phone: 703-359-0245    Fax: 928-436-3339
Dr. Lindsey Waldman,
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3023 Hamaker Ct, Fairfax, VA 22031
Phone: 703-839-8797    
Dr. Laura E. Byrnes, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3650 Joseph Siewick Dr, Ste 101, Fairfax, VA 22033
Phone: 703-391-0900    Fax: 703-391-2919
Dr. Julie-ann M Crewalk, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 2730-c Prosperity Avenue, Fairfax, VA 22031
Phone: 703-226-2280    Fax: 703-752-1713
Sandy L. Chung, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3650 Joseph Siewick Dr, Ste 101, Fairfax, VA 22033
Phone: 703-391-0900    Fax: 703-391-2919
Dr. James R Baugh, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 3020 Hamaker Ct, Suite 200, Fairfax, VA 22031
Phone: 703-573-2432    Fax: 703-280-9350
Benjamin Isaac Enav, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 2700 Prosperity Ave, Suite 260, Fairfax, VA 22031
Phone: 571-314-0444    Fax: 855-237-3628

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