Eric Changchien, MD - Medicare Colorectal Surgery (proctology) in Riverside, CA

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Eric Changchien, MD is a medicare enrolled "Surgery" physician in Riverside, California. He went to Wright State University Boonshoft School Of Medicine and graduated in 2007 and has 19 years of diverse experience with area of expertise as Colorectal Surgery (proctology). He is a member of the group practice Southern California Permanente Medical Group and his current practice location is 3660 Park Sierra Dr, Suite 105, Riverside, California. You can reach out to his office (for appointments etc.) via phone at (951) 278-8870.

Eric Changchien is licensed to practice in California (license number 108490) 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 1710137401.

Contact Information

Eric Changchien, MD
3660 Park Sierra Dr, Suite 105,
Riverside, CA 92505-3081
(951) 278-8870
(951) 278-8913

Map and Direction




Physician's Profile

Full NameEric Changchien
GenderMale
SpecialityColorectal Surgery (proctology)
Experience19 Years
Location3660 Park Sierra Dr, Riverside, 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:
  • Eric Changchien attended and graduated from Wright State University Boonshoft School Of Medicine in 2007
  NPI Data:
  • NPI Number: 1710137401
  • Provider Enumeration Date: 09/30/2008
  • Last Update Date: 11/29/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 4284877267
  • Enrollment ID: I20140923000047

Medical Identifiers

Medical identifiers for Eric Changchien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1710137401NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 108490 (California)Primary
208C00000XColon & Rectal Surgery 8505128-1205 (Utah)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - Orange County - AnaheAnaheim, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group600272917511250

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. Eric Changchien allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678

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. Eric Changchien 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
Eric Changchien, MD
Po Box 2828,
Corona, CA 92878-2828

Ph: (951) 278-8870		Eric Changchien, MD
3660 Park Sierra Dr, Suite 105,
Riverside, CA 92505-3081

Ph: (951) 278-8870

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.