Alexander J Chien, MD - Medicare Diagnostic Radiology in Pomona, CA

Alexander J Chien, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Pomona, California. He went to University Of Michigan Medical School and graduated in 1997 and has 27 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Darin Rentz Do Pc and his current practice location is 1798 N Garey Ave, Pomona, California. You can reach out to his office (for appointments etc.) via phone at (909) 865-9500.

Alexander J Chien is licensed to practice in California (license number A82949) 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 1255313318.

Contact Information

Alexander J Chien, MD
1798 N Garey Ave,
Pomona, CA 91767
(909) 865-9500
Not Available

Map and Direction




Physician's Profile

Full NameAlexander J Chien
GenderMale
SpecialityDiagnostic Radiology
Experience27 Years
Location1798 N Garey Ave, Pomona, 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:
  • Alexander J Chien attended and graduated from University Of Michigan Medical School in 1997
  NPI Data:
  • NPI Number: 1255313318
  • Provider Enumeration Date: 11/15/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 3870537830
  • Enrollment ID: I20050610000728

Medical Identifiers

Medical identifiers for Alexander J Chien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255313318NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology A82949 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Redlands Community HospitalRedlands, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Darin Rentz Do Pc731533385366

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. Alexander J Chien allows following entities to bill medicare on his behalf.
Entity NameFaculty Physicians And Surgeons Of Llusm
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205009917
PECOS PAC ID: 1153227814
Enrollment ID: O20031211000981
Entity NameDarin Rentz Do Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689321747
PECOS PAC ID: 7315333853
Enrollment ID: O20220408001009

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. Alexander J Chien 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
Alexander J Chien, MD
100 Oceangate, Ste 1000,
Long Beach, CA 90802-4312

Ph: (562) 590-7400
Alexander J Chien, MD
1798 N Garey Ave,
Pomona, CA 91767

Ph: (909) 865-9500

Reviews and Comments


Radiology Doctors in Pomona, CA

Hrayr A Kabakian, MD
Radiology
Medicare: Medicare Enrolled
Practice Location: 1798 N Garey Ave, Pomona, CA 91767
Phone: 909-865-9500    
Dr. Monish Jatin Laxpati, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 2475 N Garey Ave, Pomona, CA 91767
Phone: 909-622-3166    Fax: 909-622-8046
Dr. Johnson Benjamin Lightfoote, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 1798 N Garey Ave, Pomona, CA 91767
Phone: 909-865-9535    Fax: 909-630-7394
Dr. James Philip Warren, M.D.
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 1902 Royalty Dr, Pomona, CA 91767
Phone: 714-573-7647    
Christina Tsao Benedict, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 1798 N Garey Ave, Pomona, CA 91767
Phone: 909-865-9535    Fax: 909-397-0194
Dr. Bernie Robert Goler, M.D.
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 1902 Royalty Dr, Suite 220, Pomona, CA 91767
Phone: 909-620-8180    Fax: 909-469-6741

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.