Usama Mahmood, MD - Medicare Radiation Oncology in Fountain Valley, CA

Usama Mahmood, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Fountain Valley, California. He went to University Of California, Irvine, California College Of Medicine and graduated in 2006 and has 18 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Torrance Memorial Medical Center and his current practice location is 18111 Brookhurst St # Ll0300, Fountain Valley, California. You can reach out to his office (for appointments etc.) via phone at (714) 962-7100.

Usama Mahmood is licensed to practice in Texas (license number P035) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1386848844.

Contact Information

Usama Mahmood, MD
18111 Brookhurst St # Ll0300,
Fountain Valley, CA 92708-6728
(714) 962-7100
(714) 963-7600

Map and Direction




Physician's Profile

Full NameUsama Mahmood
GenderMale
SpecialityRadiation Oncology
Experience18 Years
Location18111 Brookhurst St # Ll0300, Fountain Valley, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Usama Mahmood attended and graduated from University Of California, Irvine, California College Of Medicine in 2006
  NPI Data:
  • NPI Number: 1386848844
  • Provider Enumeration Date: 06/11/2007
  • Last Update Date: 12/06/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 0648426882
  • Enrollment ID: I20161117000961

Medical Identifiers

Medical identifiers for Usama Mahmood such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386848844NPI-NPPES
301292401MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology P035 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Torrance Memorial Medical CenterTorrance, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Torrance Memorial Medical Center963808770348

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. Usama Mahmood allows following entities to bill medicare on his behalf.
Entity NameTorrance Memorial Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477502797
PECOS PAC ID: 9638087703
Enrollment ID: O20040315000284

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. Usama Mahmood 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
Usama Mahmood, MD
Po Box 844945,
Los Angeles, CA 90084-4945

Ph: (714) 962-7100
Usama Mahmood, MD
18111 Brookhurst St # Ll0300,
Fountain Valley, CA 92708-6728

Ph: (714) 962-7100

Reviews and Comments


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Dr. Asif R. Harsolia, M.D.
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Practice Location: 18111 Brookhurst St, Ste 0300, Fountain Valley, CA 92708
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Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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