Adam Emmanuel Sierra, MD - Medicare Radiology in Valencia, CA

Adam Emmanuel Sierra, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Valencia, California. His current practice location is 27235 Tourney Rd Ste 1500, Valencia, California. You can reach out to his office (for appointments etc.) via phone at (310) 301-6800.

Adam Emmanuel Sierra is licensed to practice in California (license number A184512) 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 1780172825.

Contact Information

Adam Emmanuel Sierra, MD
27235 Tourney Rd Ste 1500,
Valencia, CA 91355-5905
(310) 301-6800
Not Available

Map and Direction




Physician's Profile

Full NameAdam Emmanuel Sierra
GenderMale
SpecialityRadiology - Diagnostic Radiology
Location27235 Tourney Rd Ste 1500, Valencia, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1780172825
  • Provider Enumeration Date: 04/24/2018
  • Last Update Date: 08/02/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2062878341
  • Enrollment ID: I20230608000857

Medical Identifiers

Medical identifiers for Adam Emmanuel Sierra such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780172825NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology A184512 (California)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. Adam Emmanuel Sierra allows following entities to bill medicare on his behalf.
Entity NameUcla Radiology Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881670248
PECOS PAC ID: 8921902065
Enrollment ID: O20031120001026
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891110888
PECOS PAC ID: 5294958815
Enrollment ID: O20140528001538
Entity NameMartin Luther King Jr Community Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356899777
PECOS PAC ID: 8628359502
Enrollment ID: O20170109001311

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. Adam Emmanuel Sierra 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
Adam Emmanuel Sierra, MD
5767 W Century Blvd Ste 400,
Los Angeles, CA 90045-5631

Ph: () -
Adam Emmanuel Sierra, MD
27235 Tourney Rd Ste 1500,
Valencia, CA 91355-5905

Ph: (310) 301-6800

Reviews and Comments


Radiology Doctors in Valencia, CA

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Brian Ng, MD
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Harout Dermendjian, M.D.
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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.