Dr Jonathan S Chien, MD - Medicare Internal Medicine in Montebello, CA

Dr Jonathan S Chien, MD is a medicare enrolled "Internal Medicine" physician in Montebello, California. He graduated from medical school in 1980 and has 44 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Healthcare Partners Affiliates Medical Group and his current practice location is 2603 Via Campo, Montebello, California. You can reach out to his office (for appointments etc.) via phone at (323) 720-1144.

Dr Jonathan S Chien is licensed to practice in California (license number A50095) 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 1558327270.

Contact Information

Dr Jonathan S Chien, MD
2603 Via Campo,
Montebello, CA 90640-1807
(323) 720-1144
(323) 888-2776

Map and Direction




Physician's Profile

Full NameDr Jonathan S Chien
GenderMale
SpecialityInternal Medicine
Experience44 Years
Location2603 Via Campo, Montebello, 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:
  • Dr Jonathan S Chien graduated from medical school in 1980
  NPI Data:
  • NPI Number: 1558327270
  • Provider Enumeration Date: 04/21/2006
  • Last Update Date: 01/24/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 0143483834
  • Enrollment ID: I20120516000293

Medical Identifiers

Medical identifiers for Dr Jonathan S Chien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558327270NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A50095 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Healthcare Partners Affiliates Medical Group7315842002658

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. Dr Jonathan S Chien allows following entities to bill medicare on his behalf.
Entity NameHealthcare Partners Affiliates Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659312593
PECOS PAC ID: 7315842002
Enrollment ID: O20031204001258

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. Dr Jonathan S 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
Dr Jonathan S Chien, MD
2603 Via Campo,
Montebello, CA 90640-1807

Ph: (323) 720-1144
Dr Jonathan S Chien, MD
2603 Via Campo,
Montebello, CA 90640-1807

Ph: (323) 720-1144

Reviews and Comments


Internal Medicine Doctors in Montebello, CA

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Maybel Min Tan, M.D
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Practice Location: 526 N Montebello Blvd, Montebello, CA 90640
Phone: 323-726-1109    Fax: 323-278-1162
Akbar Attary, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 2011 W Whittier Blvd, Montebello, CA 90640
Phone: 323-767-5141    Fax: 323-767-5142

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.