Siavosh Vakilian, MD - Medicare Radiation Oncology in San Diego, CA

Siavosh Vakilian, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in San Diego, California. He graduated from medical school in 2008 and has 16 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Genesis Healthcare Partners and his current practice location is 3366 5th Ave, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (619) 230-0400.

Siavosh Vakilian is licensed to practice in California (license number A133482) 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 1427456151.

Contact Information

Siavosh Vakilian, MD
3366 5th Ave,
San Diego, CA 92103-5713
(619) 230-0400
(858) 429-7936

Map and Direction




Physician's Profile

Full NameSiavosh Vakilian
GenderMale
SpecialityRadiation Oncology
Experience16 Years
Location3366 5th Ave, San Diego, 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:
  • Siavosh Vakilian graduated from medical school in 2008
  NPI Data:
  • NPI Number: 1427456151
  • Provider Enumeration Date: 12/11/2014
  • Last Update Date: 06/01/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7113240482
  • Enrollment ID: I20141218001208

Medical Identifiers

Medical identifiers for Siavosh Vakilian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427456151NPI-NPPES
CB366085OtherCAMEDICARE PIN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology A133482 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Grossmont HospitalLa mesa, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Genesis Healthcare Partners2163606807185

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. Siavosh Vakilian allows following entities to bill medicare on his behalf.
Entity NameWalter K Nahm Md Phd Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720110968
PECOS PAC ID: 8527968452
Enrollment ID: O20040108001153
Entity NameValley Radiotherapy Associates Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437102092
PECOS PAC ID: 3072427426
Enrollment ID: O20040527001310
Entity NameGenesis Healthcare Partners Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548567498
PECOS PAC ID: 2163606807
Enrollment ID: O20110405000433

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. Siavosh Vakilian 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
Siavosh Vakilian, MD
Po Box 845996,
Los Angeles, CA 90084-3592

Ph: (858) 888-7700
Siavosh Vakilian, MD
3366 5th Ave,
San Diego, CA 92103-5713

Ph: (619) 230-0400

Reviews and Comments


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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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