Hannah Nien, MD - Medicare Diagnostic Radiology in Torrance, CA

Hannah Nien, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Torrance, California. She went to Tufts University School Of Medicine and graduated in 2009 and has 15 years of diverse experience with area of expertise as Diagnostic Radiology. She is a member of the group practice Advanced Imaging Of South Bay, Inc., Moran Rowen And Dorsey Inc and her current practice location is 20929 Hawthorne Blvd, Plcm Women's Imaging Center, Torrance, California. You can reach out to her office (for appointments etc.) via phone at (617) 818-2232.

Hannah Nien is licensed to practice in California (license number A131459) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1417183203.

Contact Information

Hannah Nien, MD
20929 Hawthorne Blvd, Plcm Women's Imaging Center,
Torrance, CA 90503
(617) 818-2232
Not Available

Map and Direction




Physician's Profile

Full NameHannah Nien
GenderFemale
SpecialityDiagnostic Radiology
Experience15 Years
Location20929 Hawthorne Blvd, Torrance, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Hannah Nien attended and graduated from Tufts University School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1417183203
  • Provider Enumeration Date: 06/08/2009
  • Last Update Date: 09/03/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 7911125331
  • Enrollment ID: I20150904001581

Medical Identifiers

Medical identifiers for Hannah Nien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417183203NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology A131459 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Little Company Of Mary Med Ctr TorranceTorrance, CAHospital
Mission Hospital Regional Med CenterMission viejo, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Advanced Imaging Of South Bay, Inc.862808052028
Moran Rowen And Dorsey Inc953706337533

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. Hannah Nien allows following entities to bill medicare on her behalf.
Entity NameMoran Rowen And Dorsey Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649263906
PECOS PAC ID: 9537063375
Enrollment ID: O20031121000912
Entity NameAdvanced Imaging Of South Bay, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003866914
PECOS PAC ID: 8628080520
Enrollment ID: O20060614000139

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. Hannah Nien 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
Hannah Nien, MD
21213b Hawthorne Blvd # 5111,
Torrance, CA 90503

Ph: () -
Hannah Nien, MD
20929 Hawthorne Blvd, Plcm Women's Imaging Center,
Torrance, CA 90503

Ph: (617) 818-2232

Reviews and Comments


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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.